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Document and Entity Information - shares	3 Months Ended
Document and Entity Information - shares	Mar. 31, 2015	Apr. 20, 2015
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1
Entity Registrant Name	Lilly Eli & Co
Entity Central Index Key	0000059478
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		1,109,741,140

Consolidated Condensed Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenue	$ 4,644.7	$ 4,683.1
Cost of sales	1,192.7	1,222.7
Research and development	1,039.3	1,109.3
Marketing, selling, and administrative	1,523.5	1,484.9
Acquired in-process research and development	256.0	0.0
Asset impairment, restructuring, and other special charges	108.0	31.4
Other - net, (income) expense	(92.7)	(56.0)
Cost of sales, operating expenses, and other-net	4,026.8	3,792.3
Income before income taxes	617.9	890.8
Income taxes	88.4	162.9
Net income	$ 529.5	$ 727.9
Weighted-average number of common shares outstanding, including incremental shares	1,064.2	1,072.7
Basic earnings per share	$ 0.50	$ 0.68
Weighted-average number of common shares outstanding, including incremental shares and stock options	1,067.0	1,075.8
Diluted earnings per share	$ 0.50	$ 0.68
Dividends paid per share	$ 0.50	$ 0.49

Consolidated Condensed Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Net income	$ 529.5	$ 727.9
Other comprehensive income (loss), net of tax	(665.7)	45.4
Comprehensive income (loss)	$ (136.2)	$ 773.3

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

Consolidated Condensed Balance Sheets - USD ($) $ in Millions	Mar. 31, 2015	Dec. 31, 2014
Current Assets
Cash and cash equivalents	$ 3,064.8	$ 3,871.6
Short-term investments	1,075.0	955.4
Accounts receivable, net of allowances of $49.9 (2015) and $55.0 (2014)	3,142.5	3,234.6
Other receivables	683.2	566.7
Inventories	2,980.2	2,740.0
Prepaid expenses and other	797.0	811.5
Total current assets	11,742.7	12,179.8
Other Assets
Restricted cash	0.0	5,405.6
Investments	4,576.5	4,568.9
Goodwill	3,946.9	1,758.1
Other intangibles, net	4,947.7	2,884.2
Sundry	2,489.4	2,417.7
Total other assets	15,960.5	17,034.5
Property and Equipment
Land, buildings, equipment, and construction in progress	16,213.3	16,029.3
Accumulated depreciation	(8,262.6)	(8,065.4)
Property and equipment, net	7,950.7	7,963.9
Total assets	35,653.9	37,178.2
Current Liabilities
Short-term borrowings and current maturities of long-term debt	805.4	2,688.7
Accounts payable	1,179.6	1,128.1
Employee compensation	518.7	759.0
Sales rebates and discounts	2,025.7	2,068.8
Dividends payable	0.0	530.3
Deferred income taxes	1,296.7	1,466.5
Other current liabilities	2,516.8	2,566.1
Total current liabilities	8,342.9	11,207.5
Other Liabilities
Long-term debt	7,415.3	5,367.7
Accrued retirement benefits	2,520.8	2,562.9
Long-term income taxes payable	954.0	998.5
Other noncurrent liabilities	1,474.4	1,653.5
Total other liabilities	12,364.5	10,582.6
Eli Lilly and Company Shareholders' Equity
Common stock	694.1	694.6
Additional paid-in capital	5,279.6	5,292.3
Retained earnings	16,706.8	16,482.7
Employee benefit trust	(3,013.2)	(3,013.2)
Accumulated other comprehensive loss	(4,657.5)	(3,991.8)
Cost of common stock in treasury	(90.0)	(91.4)
Total Eli Lilly and Company shareholders' equity	14,919.8	15,373.2
Noncontrolling interests	26.7	14.9
Total equity	14,946.5	15,388.1
Total liabilities and equity	$ 35,653.9	$ 37,178.2

Consolidated Condensed Balance Sheets (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2015	Dec. 31, 2014
Allowances for doubtful accounts	$ 49.9	$ 55.0

Consolidated Condensed Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash Flows from Operating Activities
Net income	$ 529.5	$ 727.9
Adjustments to Reconcile Net Income to Cash Flows from Operating Activities:
Depreciation and amortization	357.5	348.8
Change in deferred income taxes	(107.1)	70.0
Stock-based compensation expense	48.9	38.3
Payments for terminations of interest rate swaps	(206.3)	(6.9)
Acquired in-process research and development	256.0	0.0
Other changes in operating assets and liabilities, net of acquisitions and divestitures	(913.7)	(917.8)
Other non-cash operating activities, net	(49.6)	12.0
Net Cash Provided by (Used for) Operating Activities	(84.8)	272.3
Cash Flows from Investing Activities
Net purchases of property and equipment	(188.6)	(202.0)
Proceeds from sales and maturities of short-term investments	507.2	1,166.9
Purchases of short-term investments	(165.8)	(402.8)
Proceeds from sales of noncurrent investments	596.2	2,633.4
Purchases of noncurrent investments	(924.4)	(2,770.2)
Restricted cash released for acquisition	5,405.6	0.0
Cash paid for acquisitions, net of cash acquired	(5,276.7)	0.0
Proceeds from sale of product rights	410.0	0.0
Purchase of in-process research and development	(200.0)	0.0
Other investing activities, net	(2.7)	(36.9)
Net Cash Provided by Investing Activities	160.8	388.4
Cash Flows from Financing Activities
Dividends paid	(527.9)	(524.1)
Net change in short-term borrowings	(2,088.6)	0.0
Proceeds from issuance of long-term debt	2,182.0	992.9
Repayment of long-term debt	(1.5)	(1,002.0)
Purchases of common stock	(310.6)	(55.0)
Other financing activities, net	45.4	(6.9)
Net Cash Used for Financing Activities	(701.2)	(595.1)
Effect of exchange rate changes on cash and cash equivalents	(181.6)	(7.8)
Net increase (decrease) in cash and cash equivalents	(806.8)	57.8
Cash and cash equivalents at January 1	3,871.6	3,830.2
Cash and Cash Equivalents at March 31	$ 3,064.8	$ 3,888.0

Basis of Presentation	3 Months Ended
Basis of Presentation	Mar. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation [Text Block]	Note 1: Basis of Presentation We have prepared the accompanying unaudited consolidated condensed financial statements in accordance with the requirements of Form 10-Q and, therefore, they do not include all information and footnotes necessary for a fair presentation of financial position, results of operations, and cash flows in conformity with accounting principles generally accepted in the United States (GAAP). In our opinion, the financial statements reflect all adjustments (including those that are normal and recurring) that are necessary for a fair presentation of the results of operations for the periods shown. In preparing financial statements in conformity with GAAP, we must make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, expenses, and related disclosures at the date of the financial statements and during the reporting period. Actual results could differ from those estimates. The information included in this Quarterly Report on Form 10-Q should be read in conjunction with our consolidated financial statements and accompanying notes included in our Annual Report on Form 10-K for the year ended December 31, 2014. We issued our financial statements by filing with the Securities and Exchange Commission and have evaluated subsequent events up to the time of the filing. Certain reclassifications have been made to prior periods in the consolidated condensed financial statements and accompanying notes to conform with the current presentation. All per-share amounts, unless otherwise noted in the footnotes, are presented on a diluted basis, that is, based on the weighted-average number of outstanding common shares plus the effect of dilutive stock options and other incremental shares.

Implementation of New Financial Accounting Pronouncements	3 Months Ended
	Mar. 31, 2015
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Accounting Changes and Error Corrections [Text Block]	Note 2: Implementation of New Financial Accounting Pronouncements In May 2014, the Financial Accounting Standards Board (FASB) issued a final standard on revenue recognition. Under the new standard, an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. In order to do so, an entity would follow the five-step process for in-scope transactions: 1) identify the contract with a customer, 2) identify the separate performance obligations in the contract, 3) determine the transaction price, 4) allocate the transaction price to the separate performance obligations in the contract, and 5) recognize revenue when (or as) the entity satisfies a performance obligation. For public entities, the provisions of the new standard are effective for annual reporting periods beginning after December 15, 2016 and early adoption is not permitted. In April 2015, the FASB proposed to defer the effective date of the new revenue recognition standard by one year, but to permit entities to adopt the new standard on the original effective date if they choose. This proposed delay is not a final decision and will be subject to the FASB's due process requirements, which include a period for public comment. An entity can apply the new revenue standard retrospectively to each prior reporting period presented or with the cumulative effect of initially applying the standard recognized at the date of initial application in retained earnings. There are areas within the standard that are currently under review and reconsideration by the FASB, which could lead to updates to the standard. As the outcomes of this review and reconsideration could lead to significant changes to the standard, we are still in the process of determining our approach to the adoption of the standard, as well as the anticipated impact to our consolidated condensed financial statements.

- Definition

The entire disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items.

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+ Details

Acquisitions

3 Months Ended

Mar. 31, 2015

Business Combinations [Abstract]

Acquisitions [Text Block]

Note 3: Acquisitions

During 2015 and 2014, we completed the acquisitions of Novartis Animal Health (Novartis AH) and Lohmann SE (Lohmann AH), respectively. These acquisitions were accounted for as business combinations under the acquisition method of accounting. The assets acquired and liabilities assumed were recorded at their respective fair values as of the acquisition date in our consolidated financial statements. The determination of estimated fair value required management to make significant estimates and assumptions. The excess of the purchase price over the fair value of the acquired net assets, where applicable, has been recorded as goodwill. The results of operations of these acquisitions are included in our consolidated condensed financial statements from the date of acquisition.

In addition to the acquisitions of businesses, we also acquired assets in development in 2015 which are further discussed below in Product and Other Acquisitions. Upon acquisition, the acquired in-process research and development (IPR&D) related to these products was immediately written off as an expense because the products had no alternative future use. For the three months ended March 31, 2015, we recorded acquired IPR&D charges of $256.0 million related to the collaboration with Innovent Biologics, Inc. (Innovent) and the upfront fee of $200.0 million related to tanezumab. See Note 4 for additional information related to the tanezumab arrangement. There were no acquired IPR&D charges for the three months ended March 31, 2014.

Acquisition of Businesses

Novartis AH Acquisition

Overview of Transaction

On January 1, 2015, we acquired from Novartis AG all of the shares of certain Novartis subsidiaries and the assets and liabilities of other Novartis subsidiaries that are exclusively related to the Novartis AH business in an all-cash transaction for a total purchase price of $5.29 billion, subject to working capital and other adjustments. As of December 31, 2014, there was $5.41 billion of cash held in escrow for the pending acquisition of Novartis AH. This cash was classified as restricted cash, a noncurrent asset, on our consolidated condensed balance sheet.

As a condition to the clearance of the transaction under the Hart-Scott-Rodino Antitrust Improvements Act, following the closing of the acquisition of Novartis AH, we divested certain animal health assets in the United States (U.S.) related to the Sentinel^® canine parasiticide franchise to Virbac Corporation (Virbac) for approximately $410 million.

The acquired Novartis AH business consists of the research and development, manufacture, marketing, sale and distribution of veterinary products to prevent and treat diseases in pets, farm animals, and farmed fish. Under the terms of the agreement, we acquired manufacturing sites, research and development facilities, a global commercial infrastructure and portfolio of products, a pipeline of projects in development, and employees.

Assets Acquired and Liabilities Assumed

Our access to Novartis AH information was limited prior to the acquisition. As a consequence, we are in the process of determining the fair values and tax bases of a significant portion of the assets acquired and liabilities assumed, including the identification and valuation of intangible assets, inventory, property and equipment, accrued expenses, and tax exposures. The final determination of these amounts will be completed as soon as possible but no later than one year from the acquisition date. The final determination may result in asset and liability fair values and tax bases that differ from the preliminary estimates and require changes to the preliminary amounts recognized.

The following table summarizes the preliminary amounts recognized for assets acquired and liabilities assumed as of the acquisition date:



Estimated Fair Value at January 1, 2015
Inventories	$	386.7
Acquired in-process research and development	294.0
Marketed products¹	1,940.0
Property and equipment	218.9
Assets held for sale (primarily the U.S. Sentinel rights)	426.7
Deferred income taxes	(84.9		)
Other assets and liabilities - net	(86.2		)
Total identifiable net assets	3,095.2
Goodwill²	2,196.8
Total consideration transferred - net of cash acquired	$	5,292.0

¹ These intangible assets will be amortized on a straight-line basis over their estimated useful lives, which are expected to have a weighted average useful life of 19 years.

² The goodwill recognized from this acquisition is attributable primarily to expected synergies that we believe will result from combining the operations of Novartis AH with our Animal Health operations, future unidentified projects and products, and the assembled workforce of Novartis AH. Approximately $900 million of the goodwill associated with this acquisition is estimated to be deductible for tax purposes.

Actual and Supplemental Pro Forma Information

Our consolidated condensed statement of operations for the three months ended March 31, 2015 includes Novartis AH revenue of $236.4 million. Novartis AH has been partially integrated into our animal health segment and as a result of these integration efforts, certain parts of the animal health business are operating on a combined basis, and we cannot distinguish the operations between Novartis AH and our legacy animal health business.

The following unaudited pro forma financial information presents the combined consolidated results of our operations with Novartis AH as if the portion of Novartis AH that we retained after the sale to Virbac had been acquired as of January 1, 2014. We have adjusted the historical consolidated financial information to give effect to pro forma events that are directly attributable to the acquisition. The unaudited pro forma financial information is not necessarily indicative of what our consolidated results of operations would have been had we completed the acquisition at the beginning of 2014. In addition, the unaudited pro forma financial information does not attempt to project the future results of operations of our combined company.



	Unaudited Pro Forma Consolidated Results
	Three Months Ended March 31,
	2015		2014
Revenue	$	4,644.7	$	4,934.9
Net Income	574.9		627.1
Diluted earnings per share	0.54		0.58

The unaudited pro forma financial information above reflects primarily the following pro forma pre-tax adjustments:


•	Additional amortization expense of approximately $26 million in 2014 related to the fair value of identifiable intangible assets acquired.


•	Additional cost of sales in 2014, and a corresponding reduction in cost of sales in 2015, of approximately $63 million related to the fair value adjustments to acquisition date inventory that has been sold in the three months ended March 31, 2015.


•	A decrease to pro forma net income of approximately $20 million in 2014 associated with an increase to interest expense related to the incremental debt that we issued to partially finance the acquisition and a reduction of interest income associated with investments which would have been used to partially fund the acquisition.

In addition, all of the above adjustments were adjusted for the applicable tax impact. The taxes associated with the adjustments above reflect the statutory tax rates in the various jurisdictions where the fair value adjustments occurred.

Lohmann AH Acquisition

On April 30, 2014, we acquired Lohmann AH, a privately-held company headquartered in Cuxhaven, Germany, through a stock purchase for a total purchase price of $591.2 million, comprised of $551.4 million of net cash plus $39.8 million of assumed debt. Lohmann AH is a global leader in poultry vaccines. As part of this transaction, we acquired the rights to a range of vaccines, commercial capabilities, and manufacturing sites in Germany and the United States. The acquisition is not material to our consolidated financial statements. Amounts recorded in connection with this acquisition include $275.4 million of marketed product assets, $23.9 million of other intangible assets, $89.8 million of property and equipment, $243.7 million of goodwill, and $92.7 million of deferred tax liabilities, with $51.1 million of other net assets. Goodwill associated with this acquisition is not deductible for tax purposes.

Product and Other Acquisitions

In connection with the arrangements described below, our partners may be entitled to future royalties based on sales should these products be approved for commercialization and/or milestones based on the successful progress of the drug candidate through the development process.

In March 2015, we entered into a collaboration agreement with Innovent to develop and commercialize a portfolio of cancer treatments. Currently, the compounds included in the collaboration are Innovent's monoclonal antibody targeting protein CD-20, which has received investigational new drug approval in China to begin Phase I development, a pre-clinical immuno-oncology molecule, and our cMet monoclonal antibody, which is in pre-clinical development for China. In China, we will be responsible for the commercialization efforts, while Innovent will lead the development and manufacturing efforts. Innovent also has co-promotion rights in China. We will be responsible for development, manufacturing, and commercialization efforts of Innovent's pre-clinical immuno-oncology molecule outside of China. We will also receive rights to develop and commercialize up to three pre-clinical bispecific immuno-oncology molecules outside of China. Separate from the collaboration, we will continue the development of our cMet monoclonal antibody gene outside of China. Under the terms of the agreement, we paid an upfront fee of $56.0 million, which was expensed as acquired IPR&D in the first quarter of 2015.

In March 2015, we entered into a collaboration agreement with Hanmi Pharmaceutical Co., Ltd. (Hanmi) to develop and commercialize Hanmi's oral Bruton's tyrosine kinase inhibitor known as HM71224, a compound being investigated for the treatment of autoimmune and other diseases. HM71224 has completed Phase I testing, and we and Hanmi will progress HM71224 into Phase II testing for patients with rheumatoid arthritis, lupus, lupus nephritis, Sjögren's syndrome, and other related conditions. In April 2015, we received Hart-Scott-Rodino Antitrust Improvements Act clearance associated with this transaction, which was a condition to closing. We received rights to the molecule for all indications on a worldwide basis excluding China, Hong Kong, Taiwan, and Korea. We will be responsible for leading development, regulatory, manufacturing, and commercial efforts in our territories. We expect to pay an upfront fee of $50.0 million in cash and a related charge will be recorded for acquired IPR&D in the second quarter of 2015.

- Definition

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

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+ Details

Collaborations

3 Months Ended

Mar. 31, 2015

Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]

Collaborations [Text Block]

Note 4: Collaborations and Other Arrangements

We often enter into collaborative and other similar arrangements to develop and commercialize drug candidates. Collaborative activities may include research and development, marketing and selling (including promotional activities and physician detailing), manufacturing, and distribution. These arrangements often require milestone and royalty or profit-share payments, contingent upon the occurrence of certain future events linked to the success of the asset in development, as well as expense reimbursements or payments to the collaboration partner. Elements within a collaboration are separated into individual units of accounting if they have standalone value from other elements within the arrangement. In these situations, the arrangement consideration is allocated to the elements on a relative selling price basis. Revenues related to products we sell pursuant to these arrangements are included in net product revenues, while other sources of revenue (e.g., royalties and profit-sharing due from our partner) are included in collaboration and other revenue. We recognized collaboration and other revenue of $196.1 million and $181.2 million for the three months ended March 31, 2015 and 2014, respectively. Operating expenses for costs incurred pursuant to these arrangements are reported in their respective expense line item, net of any payments due to or reimbursements due from our collaboration partners, with such reimbursements being recognized at the time the party becomes obligated to pay. Each collaboration is unique in nature, and our more significant arrangements are discussed below.

Diabetes Collaboration

We and Boehringer Ingelheim have a global agreement to jointly develop and commercialize a portfolio of diabetes compounds. Currently, the compounds included in the collaboration are Boehringer Ingelheim’s two oral diabetes agents, linagliptin (trade name Trajenta^®) and empagliflozin (trade name Jardiance^®), and our new insulin glargine product (trade name Basaglar^® in the U.S.).

Trajenta was approved in 2011 and launched in the U.S., Japan, certain countries in Europe, and other countries. Jentadueto^®, the single pill combination of linagliptin and metformin hydrochloride, is being commercialized with Trajenta and included in the Trajenta family results. Jardiance was approved in Europe, the U.S., and Japan in May, August, and December 2014, respectively. The product was launched in certain European countries and the U.S. in the third quarter of 2014. Glyxambi^®, the single pill combination of linagliptin and empagliflozin, launched in the U.S. in March 2015, and is included in the Jardiance family results. Our new insulin glargine product was approved by the European Commission in Europe in September 2014 and regulatory authorities in Japan in December 2014. Basaglar received tentative approval in the U.S. in August 2014. The U.S. Food and Drug Administration (FDA) has determined that Basaglar meets all regulatory requirements for approval, but final approval is subject to a delay of up to 30 months as a result of patent infringement litigation filed by Sanofi, which markets Lantus^®(insulin glargine). Under the Drug Price Competition and Patent Term Restoration Act of 1984 (the Hatch-Waxman Act), the initiation of the lawsuit automatically invoked a stay of final FDA approval for a period of 30 months (until July 2016), which may be shortened in the event of an earlier court decision in our favor.

In connection with the approval of Trajenta in the U.S., Europe, and Japan, we paid $478.7 million in success-based regulatory milestones, all of which were capitalized as intangible assets and are being amortized to cost of sales.

In connection with the approval of Jardiance in the U.S., Europe, and Japan, we paid success-based regulatory milestones of $300.5 million, which were capitalized as intangible assets and will be amortized to cost of sales. We incurred milestone-related expenses of $97.2 million in connection with regulatory submissions for Jardiance in the U.S., Europe, and Japan during 2013. These regulatory submission milestones were recorded as research and development expenses.

Upon the approval of our new insulin glargine product in Europe and Japan during 2014, we recorded, as deferred revenue, a $62.5 million milestone which will be amortized to collaboration and other revenue upon product launch in Europe and Japan through the term of the collaboration (2029). During 2013, we earned $50.0 million in milestones for the regulatory submissions of our new insulin glargine product in the U.S., Europe, and Japan. These submission milestones were recorded as income in other–net, (income) expense. In the future, we will be eligible to receive up to $187.5 million in success-based regulatory milestones on our new insulin glargine product.

In October 2014, we and Boehringer Ingelheim agreed upon certain changes to the operational and financial structure of our diabetes collaboration. Under the revised agreement the companies will continue their co-promotion work in 17 countries, representing over 90 percent of the collaboration’s anticipated market opportunity. In the other countries, the companies will exclusively commercialize the respective molecules they brought to the collaboration. The modifications became effective at the end of 2014 and changed the financial terms related to the modified countries; however, the financial impact resulting from the revised terms of the agreement in these countries is not anticipated to be material. As a result of these changes, we recorded a gain of $92.0 million in 2014 related to the transfer to Boehringer Ingelheim of our license rights to co-promote linagliptin and empagliflozin in these countries, which was recorded as income in other–net, (income) expense. We also incurred a charge of $55.2 million related to the transfer to us of Boehringer Ingelheim's rights to co-promote our new insulin glargine product in countries where it is not yet approved, which was recorded as acquired IPR&D expense.

With the exception of the countries affected by the amendment to the collaboration agreement, the companies share equally the ongoing development costs and, if successful, commercialization costs and gross margin for any product resulting from the collaboration. We record our portion of the gross margin associated with Boehringer Ingelheim's compounds as collaboration and other revenue, and we record our portion of the commercialization costs as marketing, selling, and administrative expense. Each company will also be entitled to potential performance payments on sales of the molecules they contribute to the collaboration. Our revenue related to Trajenta was $82.3 million and $76.9 million for the three months ended March 31, 2015 and 2014, respectively. Our revenue related to Jardiance was not material for the three months ended March 31, 2015.

Erbitux^®

We have several collaborations with respect to Erbitux. The most significant collaborations are in the U.S., Canada, and Japan (Bristol-Myers Squibb Company); and worldwide except the U.S. and Canada (Merck KGaA). Certain rights to Erbitux outside the U.S. and Canada (collectively North America) will remain with Merck KGaA (Merck) upon expiration of that agreement.

The following table summarizes our revenue recognized with respect to Erbitux:



	Three Months Ended March 31,
	2015		2014
Net product revenues	$	13.8	$	13.2
Collaboration and other revenue	74.4		77.7
Revenue	$	88.2	$	90.9

Bristol-Myers Squibb Company

Pursuant to commercial agreements with Bristol-Myers Squibb Company and E.R. Squibb (collectively, BMS), we have been co-developing Erbitux in North America with BMS exclusively, and in Japan with BMS and Merck through 2032. In April 2015, we and BMS agreed to modify the existing arrangement to provide for the transfer to us of BMS's commercialization rights with respect to Erbitux in North America with the transition expected to be completed in the fourth quarter of 2015. This modification did not affect our rights with respect to Erbitux in other jurisdictions. In connection with the modification of terms, we will provide consideration to BMS based upon a tiered percentage of sales of Erbitux in North America estimated to average 38 percent from the completion of the transition through September 2018. The transfer of the commercialization rights will be accounted for as an acquisition of a business at the time control of the business is transferred to us. As a result, we will record the fair value of the commercialization rights as a marketed product asset and the fair value of the contingent consideration as a liability. The marketed product asset will be amortized to cost of sales using the straight-line method beginning on the completion of the transition of the Erbitux commercialization rights to us through the co-development period in North America, as set forth in the original agreement, which was scheduled to expire in September 2018.

Until the effective date of the transfer of the business, the existing arrangements between us and BMS, which are set forth in this paragraph, will remain in effect. Erbitux research and development and other costs continue to be shared by both companies according to a predetermined ratio. Responsibilities associated with clinical and other ongoing studies are apportioned between the parties under the current agreements. Collaborative reimbursements due to us for supply of clinical trial materials; for research and development; and for a portion of marketing, selling, and administrative expenses are recorded as a reduction to the respective expense line items on the consolidated statement of operations. We receive a distribution fee in the form of a royalty from BMS, based on a percentage of net sales in North America, which is recorded in collaboration and other revenue. Royalties due to third parties are recorded as a reduction of collaboration and other revenue, net of any royalty reimbursements due from third parties. We are responsible for the manufacture and supply of all requirements of Erbitux in bulk-form active pharmaceutical ingredient (API) for clinical and commercial use in North America, and BMS will purchase all of its requirements of API for commercial use from us, subject to certain stipulations per the agreement. Sales of Erbitux to BMS for commercial use are reported in net product revenues.

Merck KGaA

A development and license agreement grants Merck exclusive rights to market Erbitux outside of North America until December 2018. A separate agreement grants co-exclusive rights among Merck, BMS, and us in Japan and expires in 2032. This agreement was amended in 2015 to grant Merck exclusive commercialization rights in Japan but did not result in any changes to our rights.

Merck manufactures Erbitux for supply in its territory as well as for Japan. We receive a royalty on the sales of Erbitux outside of North America, which is included in collaboration and other revenue as earned. Royalties due to third parties are recorded as a reduction of collaboration and other revenue, net of any royalty reimbursements due from third parties.

Effient^®

We are in a collaborative arrangement with Daiichi Sankyo Co., Ltd. (Daiichi Sankyo) to develop, market, and promote Effient. We and Daiichi Sankyo co-promote Effient in certain territories (including the U.S. and five major European markets), while we have exclusive marketing rights in certain other territories. Daiichi Sankyo has exclusive marketing rights in Japan and certain other territories. The parties share approximately 50/50 in the profits, as well as in the costs of development and marketing in the co-promotion territories. A third party manufactures bulk product, and we produce the finished product for our exclusive and co-promotion territories. We record net product revenues in our exclusive and co-promotion territories. In our exclusive territories, we pay Daiichi Sankyo a royalty specific to these territories. Profit-share payments due to Daiichi Sankyo are recorded as marketing, selling, and administrative expenses. All royalties due to Daiichi Sankyo and the third-party manufacturer are recorded in cost of sales. Effient revenues were $121.8 million and $119.3 million for the three months ended March 31, 2015 and 2014, respectively.

Solanezumab

We have an agreement with an affiliate of TPG-Axon Capital (TPG) whereby TPG funded a portion of the Phase III development of solanezumab. Under the agreement, TPG’s obligation to fund solanezumab costs ended in 2011. In exchange for their funding, TPG may receive success-based sales milestones totaling approximately $70 million and mid-single digit royalties contingent upon the successful development of solanezumab. The royalties would be paid for approximately 10 years after launch of a product.

Baricitinib

We have a worldwide license and collaboration agreement with Incyte Corporation (Incyte) which provides us the development and commercialization rights to its Janus tyrosine kinase inhibitor compound, now known as baricitinib, and certain follow-on compounds, for the treatment of inflammatory and autoimmune diseases. Incyte has the right to receive tiered, double-digit royalty payments on future global sales with rates ranging up to 20 percent if the product is successfully commercialized. The agreement provides Incyte with options to co-develop these compounds on an indication-by-indication basis by funding 30 percent of the associated development costs from the initiation of a Phase IIb trial through regulatory approval in exchange for increased tiered royalties ranging up to percentages in the high twenties. In 2010, Incyte exercised its option to co-develop baricitinib in rheumatoid arthritis. The agreement also provides Incyte with an option to co-promote in the U.S. and calls for payments associated with certain development, success-based regulatory, and sales-based milestones. As of March 31, 2015, Incyte is eligible to receive up to $415.0 million of additional payments from us contingent upon certain development and success-based regulatory milestones as well as an additional $150.0 million of potential sales-based milestones.

Tanezumab

In October 2013, we entered into a collaboration agreement with Pfizer Inc. (Pfizer) to jointly develop and globally commercialize tanezumab for the treatment of osteoarthritis pain, chronic low back pain and cancer pain. Under the agreement, the companies share equally the ongoing development costs and, if successful, in gross margins and certain commercialization expenses. In March 2015, the FDA lifted a partial clinical hold after reviewing the nonclinical data which was submitted in February 2015. Upon the FDA's lifting of the partial clinical hold and the decision to continue the collaboration with Pfizer, we paid an upfront fee of $200.0 million, which was expensed as acquired IPR&D in the first quarter of 2015. In addition to this fee, we may pay up to $350.0 million in success-based regulatory milestones and up to $1.23 billion in a series of sales-based milestones, contingent upon the commercial success of tanezumab. Tanezumab is currently in Phase III development. Both parties have the right to terminate the agreement under certain circumstances.

Exenatide

In November 2011, we agreed with Amylin Pharmaceuticals, Inc. (Amylin) to terminate our collaborative arrangement for the joint development, marketing, and selling of Byetta^® (exenatide injection) and other forms of exenatide such as Bydureon^® (exenatide extended-release for injectable suspension). Under the terms of the termination agreement, Amylin made a one-time, upfront payment to us of $250.0 million. Amylin also agreed to make future revenue-sharing payments to us in an amount equal to 15.0 percent of its global net sales of exenatide products until Amylin made aggregate payments to us of $1.20 billion plus interest, which would accrue at 9.5 percent. Upon completion of the acquisition of Amylin by Bristol-Myers Squibb Company in August 2012, Amylin's obligation of $1.26 billion, including accrued interest, was paid in full, with $1.21 billion representing a prepayment of the obligation. We would also receive a $150.0 million milestone payment contingent upon FDA approval of a once-monthly suspension version of exenatide.

Commercial operations were transferred to Amylin in the U.S. in late 2011. Outside the U.S., we transferred to Amylin exenatide commercial rights and control in all markets during the first quarter of 2013. We were responsible for certain development costs related to certain clinical trials outside the U.S. that we were conducting as of the date of the termination agreement as well as commercialization costs outside the U.S. until the commercial rights were transferred to Amylin.

Payments received from Amylin were allocated 65 percent to the U.S., which was treated as a contract termination, and 35 percent to the business outside the U.S., which was treated as the disposition of a business. The allocation was based upon relative fair values. The revenue-sharing income allocated to the U.S. was recognized as collaboration and other revenue, consistent with our policy for royalty revenue, while the income related to the prepayment of Amylin's obligation allocated to the U.S. was recognized in other–net, (income) expense. All income allocated to the business outside the U.S. that was transferred during the first quarter of 2013 was recognized as a gain on the disposition of a business in other–net, (income) expense, net of the goodwill allocated to the business transferred.

Under the terms of our prior arrangement, we reported as net product revenues 100 percent of sales outside the U.S. and our sales of Byetta pen delivery devices to Amylin. We paid Amylin a percentage of the gross margin of exenatide sales outside of the U.S., and these costs were recorded in cost of sales. This arrangement for the commercial operations outside the U.S. continued until those rights were transferred to Amylin during the first quarter of 2013.

Our net product revenues from exenatide were not significant in 2014. We will not record any additional revenues from exenatide in 2015 or in future periods.

Summary of Commission and Profit-Share Payments

The aggregate amount of marketing, selling, and administrative expense associated with our commission and profit-sharing obligations for the collaborations and other arrangements described above was $49.3 million and $48.0 million for the three months ended March 31, 2015 and 2014, respectively.

Asset Impairments, Restructuring, and Other Special Charges Asset Impairments, Restructuring, and Other Special Charges (Notes)	3 Months Ended
	Mar. 31, 2015
Unusual or Infrequent Item [Line Items]
Unusual or Infrequent Items Disclosure [Text Block]	Note 5: Asset Impairment, Restructuring, and Other Special Charges We recognized asset impairment, restructuring, and other special charges of $108.0 million and $31.4 million during the three months ended March 31, 2015 and 2014, respectively. Substantially all of the 2015 charges were attributable to our animal health business segment and related primarily to integration costs, intangible asset impairments due to product rationalization, and severance costs resulting from our acquisition of Novartis AH. Substantially all of the 2014 charges were attributable to our human pharmaceuticals business segment and related primarily to severance costs for actions taken to reduce our cost structure.

Financial Instruments

3 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

Financial Instruments [Text Block]

Note 6: Financial Instruments

Financial instruments that potentially subject us to credit risk consist principally of trade receivables and interest-bearing investments. Wholesale distributors of life-sciences products account for a substantial portion of trade receivables; collateral is generally not required. The risk associated with this concentration is mitigated by our ongoing credit-review procedures and insurance. A large portion of our cash is held by a few major financial institutions. We monitor our exposures with these institutions and do not expect any of these institutions to fail to meet their obligations. Major financial institutions represent the largest component of our investments in corporate debt securities. In accordance with documented corporate policies, we monitor the amount of credit exposure to any one financial institution or corporate issuer. We are exposed to credit-related losses in the event of nonperformance by counterparties to risk-management instruments but do not expect any counterparties to fail to meet their obligations given their high credit ratings.

Accounting Policy for Risk-Management Instruments

Our derivative activities are initiated within the guidelines of documented corporate risk-management policies and offset losses and gains on the assets, liabilities, and transactions being hedged. Management reviews the correlation and effectiveness of our derivatives on a quarterly basis.

For derivative contracts that are designated and qualify as fair value hedges, the derivative instrument is marked to market with gains and losses recognized currently in income to offset the respective losses and gains recognized on the underlying exposure. For derivative contracts that are designated and qualify as cash flow hedges, the effective portion of gains and losses on these contracts is reported as a component of accumulated other comprehensive loss and reclassified into earnings in the same period the hedged transaction affects earnings. Hedge ineffectiveness is immediately recognized in earnings. Derivative contracts that are not designated as hedging instruments are recorded at fair value with the gain or loss recognized in current earnings during the period of change.

We may enter into foreign currency forward or option contracts to reduce the effect of fluctuating currency exchange rates (principally the euro, the British pound, and the Japanese yen). Foreign currency derivatives used for hedging are put in place using the same or like currencies and duration as the underlying exposures. Forward and option contracts are principally used to manage exposures arising from subsidiary trade and loan payables and receivables denominated in foreign currencies. These contracts are recorded at fair value with the gain or loss recognized in other–net, (income) expense. We may enter into foreign currency forward and option contracts and currency swaps as fair value hedges of firm commitments. Forward contracts generally have maturities not exceeding 12 months. At March 31, 2015, we had outstanding foreign currency forward commitments to purchase 559.2 million U.S. dollars and sell 521.8 million euro, commitments to purchase 1.23 billion euro and sell 1.31 billion U.S. dollars, commitments to purchase 308.1 million U.S. dollars and sell 37.22 billion Japanese yen, commitments to purchase 142.8 million British pounds and sell 200.3 million euro, and commitments to purchase 285.2 million U.S. dollars and sell 192.7 million British pounds, which will all settle within 30 days.

In the normal course of business, our operations are exposed to fluctuations in interest rates which can vary the costs of financing, investing, and operating. We address a portion of these risks through a controlled program of risk management that includes the use of derivative financial instruments. The objective of controlling these risks is to limit the impact of fluctuations in interest rates on earnings. Our primary interest-rate risk exposure results from changes in short-term U.S. dollar interest rates. In an effort to manage interest-rate exposures, we strive to achieve an acceptable balance between fixed- and floating-rate debt and investment positions and may enter into interest rate swaps or collars to help maintain that balance.

Interest rate swaps or collars that convert our fixed-rate debt to a floating rate are designated as fair value hedges of the underlying instruments. Interest rate swaps or collars that convert floating-rate debt to a fixed rate are designated as cash flow hedges. Interest expense on the debt is adjusted to include the payments made or received under the swap agreements. Cash proceeds from or payments to counterparties resulting from the termination of interest rate swaps are classified as operating activities in our consolidated condensed statement of cash flows. At March 31, 2015, substantially all of our total long-term debt is at a fixed rate. We have converted approximately 50 percent of our long-term fixed-rate notes to floating rates through the use of interest rate swaps.

We may enter into forward contracts and designate them as cash flow hedges to limit the potential volatility of earnings and cash flow associated with forecasted sales of available-for-sale securities.

Investments in debt securities are subject to different interest rate risks based on their maturities. We may manage the average maturity of our investments in debt securities to achieve economic returns using interest rate contracts, none of which are designated as hedging instruments. As of March 31, 2015, there were no interest rate contracts on investments in debt securities.

In March 2015, we issued $600.0 million of 1.25 percent fixed-rate notes due March 1, 2018, $800.0 million of 2.75 percent fixed-rate notes due June 1, 2025, and $800.0 million of 3.70 percent fixed-rate notes due March 1, 2045 with interest to be paid semi-annually. The proceeds from the issuance of the notes were used primarily to repay outstanding commercial paper issued in connection with our January 2015 acquisition of Novartis AH.

We may enter into forward-starting interest rate swaps, which we designate as cash flow hedges, as part of any anticipated future debt issuances in order to reduce the risk of cash flow volatility from future changes in interest rates. Upon completion of a debt issuance and termination of the swap, the change in fair value of these instruments is recorded as part of other comprehensive income (loss) and is amortized to interest expense over the life of the underlying debt. Upon issuance of the underlying fixed-rate notes discussed above, we terminated forward-starting interest rate contracts in designated cash flow hedging instruments with a total notional amount of $1.35 billion and paid $206.3 million in cash to the counterparties for settlement. The settlement amount represented the fair value of the forward-starting interest rate contracts at the time of termination and was recorded in other comprehensive loss.

The Effect of Risk-Management Instruments on the Consolidated Condensed Statement of Operations

The following effects of risk-management instruments were recognized in other–net, (income) expense:



	Three Months Ended March 31,
	2015			2014
Fair value hedges:
Effect from hedged fixed-rate debt	$	58.9		$	51.8
Effect from interest rate contracts	(58.9		)	(51.8		)
Cash flow hedges:
Effective portion of losses on equity contracts reclassified from accumulated other comprehensive loss⁽¹⁾	—			39.5
Effective portion of losses on interest rate contracts reclassified from accumulated other comprehensive loss	2.7			2.2
Net (gains) losses on foreign currency exchange contracts not designated as hedging instruments	23.3			(0.3		)

⁽¹⁾ Realized gains on the sale of the underlying equity securities recognized in other–net, (income) expense for the three months ended March 31, 2014 were $69.0 million.

The effective portion of net gains on equity contracts in designated cash flow hedging relationships recorded in other comprehensive income (loss) was $85.9 million for the three months ended March 31, 2014. There were no equity contracts in designated cash flow hedging relationships during the three months ended March 31, 2015.

During the next 12 months, we expect to reclassify from accumulated other comprehensive loss to earnings $14.6 million of pretax net losses on cash flow hedges of the variability in expected future interest payments on our floating rate debt.

During the three months ended March 31, 2015 and 2014, net losses related to ineffectiveness, as well as net losses related to the portion of our risk-management hedging instruments, fair value hedges, and cash flow hedges that were excluded from the assessment of effectiveness, were not material.

Fair Value of Financial Instruments

The following tables summarize certain fair value information at March 31, 2015 and December 31, 2014 for assets and liabilities measured at fair value on a recurring basis, as well as the carrying amount and amortized cost of certain other investments:



					Fair Value Measurements Using
Description	Carrying Amount		Amortized Cost		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Fair Value
March 31, 2015
Cash equivalents	$	1,056.8	$	1,056.8	$	1,005.0	$	51.8	$	—	$	1,056.8

Short-term investments:
U.S. government and agencies	$	282.2	$	282.2	$	278.2	$	4.0	$	—	$	282.2
Corporate debt securities	790.2		789.3		—		790.2		—		790.2
Other securities	2.6		2.6		—		2.6		—		2.6
Short-term investments	$	1,075.0	$	1,074.1

Noncurrent investments:
U.S. government and agencies	$	698.0	$	696.8	$	676.0	$	22.0	$	—	$	698.0
Corporate debt securities	2,369.5		2,362.6		—		2,369.5		—		2,369.5
Mortgage-backed securities	223.0		222.1		—		223.0		—		223.0
Asset-backed securities	486.0		486.1		—		486.0		—		486.0
Other securities	4.9		4.9		—		4.9		—		4.9
Marketable equity securities	284.5		54.8		284.5		—		—		284.5
Equity method and other investments⁽¹⁾	510.6		510.6
Noncurrent investments	$	4,576.5	$	4,337.9

December 31, 2014
Cash equivalents	$	2,443.5	$	2,443.5	$	2,415.5	$	28.0	$	—	$	2,443.5

Short-term investments:
U.S. government and agencies	$	185.5	$	185.6	$	156.5	$	29.0	$	—	$	185.5
Corporate debt securities	767.4		766.7		—		767.4		—		767.4
Other securities	2.5		2.5		—		2.5		—		2.5
Short-term investments	$	955.4	$	954.8

Noncurrent investments:
U.S. government and agencies	$	756.7	$	757.5	$	747.5	$	9.2	$	—	$	756.7
Corporate debt securities	2,462.7		2,468.9		—		2,462.7		—		2,462.7
Mortgage-backed securities	217.0		217.6		—		217.0		—		217.0
Asset-backed securities	477.8		478.0		—		477.8		—		477.8
Other securities	3.2		3.2		—		3.2		—		3.2
Marketable equity securities	204.8		44.0		204.8		—		—		204.8
Equity method and other investments⁽¹⁾	446.7		446.7
Noncurrent investments	$	4,568.9	$	4,415.9

⁽¹⁾ Fair value not applicable



				Fair Value Measurements Using
Description	Carrying Amount			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)		Fair Value
Short-term borrowings⁽¹⁾
March 31, 2015	$	(590.0	)	$	—	$	(590.0	)	$	—	$	(590.0	)
December 31, 2014	(2,680.6		)	—		(2,680.6		)	—		(2,680.6		)
Long-term debt, including current portion
March 31, 2015	$	(7,630.7	)	$	—	$	(8,053.4	)	$	—	$	(8,053.4	)
December 31, 2014	(5,375.8		)	—		(5,722.1		)	—		(5,722.1		)

⁽¹⁾ Represents short-term commercial paper borrowings



				Fair Value Measurements Using
Description	Carrying Amount			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)		Fair Value
March 31, 2015
Risk-management instruments
Interest rate contracts designated as hedging instruments:
Other receivables	$	2.2		$	—	$	2.2		$	—	$	2.2
Sundry	158.5			—		158.5			—		158.5
Foreign exchange contracts not designated as hedging instruments:
Other receivables	31.9			—		31.9			—		31.9
Other current liabilities	(21.3		)	—		(21.3		)	—		(21.3		)

December 31, 2014
Risk-management instruments
Interest rate contracts designated as hedging instruments:
Sundry	$	102.5		$	—	$	102.5		$	—	$	102.5
Other current liabilities	(149.5		)	—		(149.5		)	—		(149.5		)
Other noncurrent liabilities	(0.7		)	—		(0.7		)	—		(0.7		)
Foreign exchange contracts not designated as hedging instruments:
Other receivables	9.1			—		9.1			—		9.1
Other current liabilities	(14.0		)	—		(14.0		)	—		(14.0		)

Risk-management instruments above are disclosed on a gross basis. There are various rights of setoff associated with certain of the risk-management instruments above that are subject to an enforceable master netting arrangement or similar agreements. Although various rights of setoff and master netting arrangements or similar agreements may exist with the individual counterparties to the risk-management instruments above, individually, these financial rights are not material.

We determine fair values based on a market approach using quoted market values, significant other observable inputs for identical or comparable assets or liabilities, or discounted cash flow analyses. The fair value of equity method investments and other investments is not readily available.

The table below summarizes the contractual maturities of our investments in debt securities measured at fair value as of March 31, 2015:



	Maturities by Period
	Total		Less Than 1 Year		2-5 Years		6-10 Years		More Than 10 Years
Fair value of debt securities	$	4,856.4	$	1,075.0	$	3,224.8	$	317.2	$	239.4

A summary of the fair value of available-for-sale securities in an unrealized gain or loss position and the amount of unrealized gains and losses (pretax) in accumulated other comprehensive loss follows:



	March 31, 2015		December 31, 2014
Unrealized gross gains	$	250.7	$	171.9
Unrealized gross losses	11.2		18.3
Fair value of securities in an unrealized gain position	2,885.6		1,778.8
Fair value of securities in an unrealized loss position	2,048.3		3,129.2

Other-than-temporary impairment losses on investment securities of $3.6 million was recognized in the consolidated condensed statement of operations for the three months ended March 31, 2015. There were no other-than-temporary impairment losses recognized in the consolidated condensed statement of operations for the three months ended March 31, 2014. For fixed-income securities, the amount of credit losses represents the difference between the present value of cash flows expected to be collected on these securities and the amortized cost. Factors considered in assessing the credit loss were the position in the capital structure, vintage and amount of collateral, delinquency rates, current credit support, and geographic concentration.

The securities in an unrealized loss position include fixed-rate debt securities of varying maturities. The value of fixed-income securities is sensitive to changes in the yield curve and other market conditions. Approximately 90 percent of the securities in a loss position are investment-grade debt securities. At this time, there is no indication of default on interest or principal payments for debt securities other than those for which an other-than-temporary impairment charge has been recorded. We do not intend to sell, and it is not more likely than not that we will be required to sell, the securities in a loss position before the market values recover or the underlying cash flows have been received, and we have concluded that no additional other-than-temporary loss is required to be charged to earnings as of March 31, 2015.

Activity related to our investment portfolio, substantially all of which related to other investments and available-for-sale securities, was as follows:



	Three Months Ended March 31,
	2015		2014
Proceeds from sales	$	969.8	$	3,742.2
Realized gross gains on sales	54.5		79.8
Realized gross losses on sales	0.7		4.0

Realized gains and losses on sales of investments are computed based upon specific identification of the initial cost adjusted for any other-than-temporary declines in fair value that were recorded in earnings.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Goodwill and Other Intangible Assets (Notes)

3 Months Ended

Mar. 31, 2015

Finite-Lived Intangible Assets, Net [Abstract]

Goodwill and Intangible Assets Disclosure [Text Block]

Note 7: Goodwill and Other Intangibles

Goodwill and other indefinite-lived intangible assets were as follows:



	March 31, 2015		December 31, 2014
Goodwill (by segment):
Human pharmaceutical products	$	1,359.1	$	1,359.4
Animal health	2,587.8		398.7
Total goodwill	3,946.9		1,758.1
In-process research and development	295.7		11.4
Total indefinite-lived intangible assets	$	4,242.6	$	1,769.5

The increases in goodwill for the animal health segment and acquired IPR&D in 2015 are due to the acquisition of Novartis AH (Note 3).

The components of finite-lived intangible assets were as follows:



	March 31, 2015							December 31, 2014
Description	Carrying Amount— Gross		Accumulated Amortization			Carrying Amount— Net		Carrying Amount— Gross		Accumulated Amortization			Carrying Amount— Net
Marketed products	$	7,614.3	$	(3,062.0	)	$	4,552.3	$	5,684.3	$	(2,915.6	)	$	2,768.7
Other	147.4		(47.7		)	99.7		149.3		(45.2		)	104.1
Total finite-lived intangible assets	$	7,761.7	$	(3,109.7	)	$	4,652.0	$	5,833.6	$	(2,960.8	)	$	2,872.8

The increase in marketed products in 2015 is due to the acquisition of Novartis AH (Note 3).

Amortization expense related to these finite-lived intangibles was $154.2 million and $131.9 million for the three months ended March 31, 2015 and 2014, respectively.

See Note 3 for further discussion of intangible assets acquired in recent business combinations.

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

+ References + Details

Stock-Based Compensation	3 Months Ended
Stock-Based Compensation	Mar. 31, 2015
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Stock-Based Compensation [Text Block]	Note 8: Stock-Based Compensation Our stock-based compensation expense consists of performance awards (PAs), shareholder value awards (SVAs), and restricted stock units (RSUs). We recognized pretax stock-based compensation expense of $48.9 million and $38.3 million for the three months ended March 31, 2015 and 2014, respectively. PAs are granted to officers and management and are payable in shares of our common stock. The number of PA shares actually issued, if any, varies depending on the achievement of certain pre-established earnings-per-share targets over a two-year period. PA shares are accounted for at fair value based upon the closing stock price on the date of grant and fully vest at the end of the measurement periods. As of March 31, 2015, the total remaining unrecognized compensation cost related to nonvested PAs was $115.5 million, which will be amortized over the weighted-average remaining requisite service period of 19 months. SVAs are granted to officers and management and are payable in shares of common stock at the end of a three-year period. The number of shares actually issued, if any, varies depending on our stock price at the end of the three-year vesting period compared to pre-established target stock prices. We measure the fair value of the SVA unit on the grant date using a Monte Carlo simulation model. The model utilizes multiple input variables that determine the probability of satisfying the market condition stipulated in the award grant and calculates the fair value of the award. As of March 31, 2015, the total remaining unrecognized compensation cost related to nonvested SVAs was $103.3 million, which will be amortized over the weighted-average remaining requisite service period of 26 months. RSUs are granted to certain employees and are payable in shares of our common stock. RSU shares are accounted for at fair value based upon the closing stock price on the date of grant. The corresponding expense is amortized over the vesting period, typically three years. As of March 31, 2015, the total remaining unrecognized compensation cost related to nonvested RSUs was $145.0 million, which will be amortized over the weighted-average remaining requisite service period of 29 months.

Shareholders' Equity	3 Months Ended
Shareholders' Equity	Mar. 31, 2015
Equity, Class of Treasury Stock [Line Items]
Stockholders' Equity Note Disclosure [Text Block]	Note 9: Shareholders’ Equity During the three months ended March 31, 2015 and 2014, we purchased $310.6 million and $55.0 million of shares, respectively, associated with our $5.00 billion share repurchase program announced in October 2013.

- Definition

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(d),(e))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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-Name Accounting Standards Codification
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-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 4.E)
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29-31)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Subparagraph (SX 210.3-04)
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-Publisher FASB
-Name Accounting Standards Codification
-Glossary Preferred Stock
-URI http://asc.fasb.org/extlink&oid=6521494

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-Topic 505
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section E

Reference 15: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section C

+ Details

Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2015
Income Tax Disclosure [Abstract]
Income Taxes [Text Block]	Note 10: Income Taxes The U.S. examination of tax years 2010-2012 commenced during the fourth quarter of 2013. While it is reasonably possible that the examination of 2010-2012 could conclude within the next 12 months, resolution of certain matters is dependent upon a number of factors, including the potential for formal administrative and legal proceedings. As a result, it is not possible to estimate the range of the reasonably possible changes in unrecognized tax benefits that could occur within the next 12 months related to these years, nor is it possible to reliably estimate the total future cash flows related to these unrecognized tax benefits.

Retirement Benefits

3 Months Ended

Mar. 31, 2015

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Retirement Benefits [Text Block]

Note 11: Retirement Benefits

Net pension and retiree health benefit expense included the following components:



	Defined Benefit Pension Plans						Retiree Health Benefit Plans
	Three Months Ended March 31,						Three Months Ended March 31,
	2015			2014			2015			2014
Components of net periodic benefit cost:
Service cost	$	77.0		$	62.7		$	9.8		$	11.3
Interest cost	117.1			119.2			15.4			21.2
Expected return on plan assets	(191.8		)	(189.3		)	(37.1		)	(36.0		)
Amortization of prior service cost	2.5			0.9			(21.6		)	(7.3		)
Recognized actuarial loss	92.4			69.1			9.4			5.1
Net periodic benefit cost	$	97.2		$	62.6		$	(24.1	)	$	(5.7	)

On a global basis, we have contributed approximately $20 million required to satisfy minimum funding requirements to our defined benefit pension plans in 2015. Additional discretionary funding in the aggregate was not material during the three months ended March 31, 2015. During the remainder of 2015, we expect to make contributions to our defined benefit pension plans of approximately $30 million to satisfy minimum funding requirements along with approximately $270 million of additional discretionary contributions.

Contingencies	3 Months Ended
Contingencies	Mar. 31, 2015
Loss Contingency, Information about Litigation Matters [Abstract]
Contingencies [Text Block]	Note 12: Contingencies We are a party to various legal actions and government investigations. The most significant of these are described below. It is not possible to determine the outcome of these matters and we cannot reasonably estimate the maximum potential exposure or the range of possible loss in excess of amounts accrued for any of these matters; however, we believe that, except as noted below with respect to the Alimta^® patent litigation and administrative proceedings, the resolution of all such matters will not have a material adverse effect on our consolidated financial position or liquidity, but could possibly be material to our consolidated results of operations in any one accounting period. Alimta Patent Litigation and Administrative Proceedings A number of generic manufacturers are seeking approvals in various countries to market generic forms of Alimta prior to the expiration of our vitamin regimen patents, alleging that those patents are invalid, not infringed, or both. We believe our Alimta vitamin regimen patents are valid and enforceable against these generic manufacturers. However, it is not possible to determine the ultimate outcome of the proceedings, and accordingly, we can provide no assurance that we will prevail. An unfavorable outcome could have a material adverse impact on our future consolidated results of operations, liquidity, and financial position. We expect that a loss of exclusivity for Alimta would result in a rapid and severe decline in future revenues in the relevant market. U.S. Patent Litigation We are engaged in various U.S. patent litigation matters involving Alimta brought pursuant to procedures set out in the Hatch-Waxman Act. Nine Abbreviated New Drug Applications (ANDAs) seeking approval to market generic versions of Alimta prior to the expiration of our vitamin regimen patent (expiring in 2021 plus pediatric exclusivity expiring in 2022) have been filed by a number of companies, including Teva Parenteral Medicines, Inc. (Teva) and APP Pharmaceuticals, LLC (APP). These companies have also alleged the patent is invalid. In October 2010, we filed a lawsuit in the U.S. District Court for the Southern District of Indiana against Teva, APP and two other defendants seeking rulings that the U.S. vitamin regimen patent is valid and infringed (the Teva/APP litigation). Teva and APP stipulated to infringement of our vitamin regimen patent, with the contingency that Teva and APP would be permitted to litigate the issue of infringement if the U.S. Supreme Court vacated an en banc decision of the Federal Circuit that dealt with the issues of liability related to infringement (Akamai v. Limelight Networks). Thus, the sole issue before the district court was to determine the issue of patent validity. Trial occurred in August 2013. In March 2014, the court ruled that the asserted claims of the vitamin regimen patent are valid. The defendants filed their notice of appeal in April 2014. In June 2014, the U.S. Supreme Court vacated the Akamai decision. In July 2014, the court of appeals in the Teva/APP litigation entered an order remanding the case back to the district court to consider the issue of infringement. A hearing has been scheduled for May 2015. Throughout the course of 2012 through 2014, we filed similar lawsuits against other ANDA defendants seeking a ruling that our patents are valid and infringed. The majority of these cases have been stayed pending the outcome of the Teva/APP litigation, and these parties have agreed to be bound by the outcome of the Teva/APP litigation. European Patent Litigation and Administrative Proceedings Generic manufacturers filed an opposition to the European Patent Office's decision to grant us a vitamin regimen patent. The Opposition Division of the European Patent Office upheld the patent and the generic manufacturers lodged an appeal. In addition, in the United Kingdom (U.K.), Actavis Group ehf and other Actavis companies filed litigation asking for a declaratory judgment that commercialization of certain salt forms of pemetrexed (the active ingredient in Alimta) would not infringe the vitamin regimen patents in the U.K., Italy, France, and Spain. This trial occurred in April 2014. In May 2014, the court ruled that the vitamin regimen patents for Alimta would not be infringed by the defendants' commercialization of alternative salt forms of pemetrexed, after expiration of the compound patents in December 2015. We appealed, and a hearing on the appeal was held in March 2015. We are awaiting a decision. We commenced separate infringement proceedings against certain Actavis companies in Germany. The German case was heard by the trial court in March 2014. In April 2014, the German trial court ruled in our favor. The defendants appealed, and after a hearing in March 2015, the appellate court overturned the trial court and ruled that our vitamin regimen patent in Germany would not be infringed by a dipotassium salt form of pemetrexed. We have asked for permission to appeal this ruling to the German Supreme Court. Japanese Administrative Proceedings Three companies have filed demands for invalidation of our vitamin regimen patents with the Japanese Patent Office. A hearing was held on one of the demands in February 2015. We are awaiting a decision. Effient Patent Litigation and Administrative Proceedings We, along with Daiichi Sankyo, Daiichi Sankyo, Inc., and Ube Industries (Ube) are engaged in various U.S. patent litigation matters involving Effient brought pursuant to procedures set out in the Hatch-Waxman Act. More than ten different companies have submitted ANDAs seeking approval to market generic versions of Effient prior to the expiration of Daiichi Sankyo’s and Ube’s patents (expiring in 2022) covering methods of using Effient with aspirin, and alleging the patents are invalid. One of these ANDAs also alleges that the compound patent for Effient (expiring in 2017) is invalid. Beginning in March 2014, we filed lawsuits in the U.S. District Court for the Southern District of Indiana against these companies, seeking a ruling that the patents are valid and infringed. The majority of these cases have been consolidated. The remainder have been stayed, and the parties have agreed to be bound by the outcome of the consolidated litigation. In March 2015, a group of the defendant companies filed petitions with the U.S. Patent and Trademark Office, requesting inter partes review of the method patents. We believe the Effient patents are valid and enforceable against these generic manufacturers. However, it is not possible to determine the outcome of the proceedings, and accordingly, we can provide no assurance that we will prevail. We expect a loss of exclusivity for Effient would result in a rapid and severe decline in future revenues for the product in the relevant market. Actos^® Product Liability Litigation We are named along with Takeda Chemical Industries, Ltd., and Takeda affiliates (collectively, Takeda) as a defendant in approximately 5,700 product liability cases in the U.S. related to the diabetes medication Actos, which we co-promoted with Takeda in the U.S. from 1999 until 2006. In general, plaintiffs in these actions allege that Actos caused or contributed to their bladder cancer. Almost all of the active cases have been consolidated in federal multi-district litigation in the Western District of Louisiana or are pending in a coordinated state court proceeding in California or a coordinated state court proceeding in Illinois. We believe these lawsuits are without merit, and we and Takeda are prepared to defend against them vigorously. In April 2014, a jury in the Western District of Louisiana found in favor of the plaintiffs in the case of Allen, et al. v. Takeda Pharmaceuticals, et al., no. 6:12-md-00064. In September 2014, judgment was entered awarding $1.3 million in compensatory damages to plaintiffs (allocated 75 percent to Takeda and 25 percent to us) and punitive damages of $6.00 billion against Takeda and $3.00 billion against us. In October 2014, the judge issued an order substantially reducing the amount of punitive damages awarded to approximately $28 million against Takeda and approximately $9 million against us. We continue to believe the evidence did not support plaintiffs’ claims and strongly disagree with the verdict. We and Takeda intend to vigorously challenge this outcome through all available legal means. We and Takeda have appealed this judgment and plaintiffs have filed a cross-appeal objecting to the reduction in punitive damages. Our agreement with Takeda calls for Takeda to defend and indemnify us against our losses and expenses with respect to the U.S. litigation arising out of the manufacture, use, or sale of Actos and other related expenses in accordance with the terms of the agreement. After the jury reached its verdict in Allen, Takeda notified us that it was reserving its right to challenge its obligations to defend and indemnify us with respect to the Allen case. We believe we are entitled to full indemnification of our losses and expenses in Allen and all other U.S. cases; however, there can be no guarantee we will ultimately be successful in obtaining full indemnification. In April 2015, Takeda announced they will pay approximately $2.4 billion to resolve the vast majority of the product liability lawsuits involving Actos, including Allen, and the other cases involving us. The settlement will become effective if at least 95 percent of current litigants opt into the settlement, and will release us and Takeda of all remaining liability for these cases. We are also named along with Takeda as a defendant in three purported product liability class actions in Canada related to Actos, including one in Ontario (Casseres et al. v. Takeda Pharmaceutical North America, Inc., et al.), one in Quebec (Whyte et al. v. Eli Lilly et al.), and one in Alberta (Epp v. Takeda Canada et al.). We promoted Actos in Canada until 2009. We believe these claims are without merit and are prepared to defend against them vigorously. Byetta Product Liability Litigation We are named as a defendant in approximately 450 Byetta product liability lawsuits involving approximately 980 plaintiffs. Approximately 100 of these lawsuits, covering about 580 plaintiffs, are filed in California state court and coordinated in a Los Angeles Superior Court. Approximately 340 lawsuits, covering about 380 plaintiffs, are filed in federal court, the majority of which are coordinated in a multi-district litigation in the Southern District of California. The remaining approximately 10 lawsuits, representing about 25 plaintiffs, are in various state courts. Approximately 390 of the lawsuits, involving approximately 610 plaintiffs, contain allegations that Byetta caused or contributed to the plaintiffs' cancer (primarily pancreatic cancer or thyroid cancer). We are aware of approximately 225 additional claimants who have not yet filed suit. The majority of these additional claims allege damages for pancreatitis. We believe these lawsuits and claims are without merit and are prepared to defend against them vigorously. Prozac^® Product Liability Litigation We are named as a defendant in approximately 10 U.S. lawsuits primarily related to allegations that the antidepressant Prozac caused or contributed to birth defects in the children of women who ingested the drug during pregnancy. We are aware of approximately 560 additional claims related to birth defects, which have not yet been filed. We believe these lawsuits and claims are without merit and are prepared to defend against them vigorously. Brazil–Employee Litigation Our subsidiary in Brazil, Eli Lilly do Brasil (Lilly Brasil), is named in a lawsuit brought by the Labor Attorney for 15th Region in the Labor Court of Paulinia, State of Sao Paulo, Brazil, alleging possible harm to employees and former employees caused by exposure to heavy metals at a former Lilly manufacturing facility in Cosmopolis, Brazil, operated by the company between 1977 and 2003. The plaintiffs allege that some employees at the facility were exposed to benzene and heavy metals; however, Lilly Brasil maintains that these alleged contaminants were never used in the facility. In May 2014, the labor court judge ruled against Lilly Brasil. The judge's ruling orders Lilly Brasil to undertake several actions of unspecified financial impact, including paying lifetime medical insurance for the employees and contractors who worked at the Cosmopolis facility more than six months during the affected years and their children born during and after this period. While we cannot currently estimate the range of reasonably possible financial losses that could arise in the event we do not ultimately prevail in the litigation, the judge has estimated the total financial impact of the ruling to be approximately 1.0 billion Brazilian real (approximately $310 million as of March 31, 2015) plus interest. We strongly disagree with the decision and filed an appeal in May 2014. We are also named in approximately 30 lawsuits filed in the same court by individual former employees making similar claims. We believe these lawsuits are without merit and are prepared to defend against them vigorously. Product Liability Insurance Because of the nature of pharmaceutical products, it is possible that we could become subject to large numbers of product liability and related claims in the future. Due to a very restrictive market for product liability insurance, we are self-insured for product liability losses for all our currently marketed products.

Other Comprehensive Income (Loss) (Notes)

3 Months Ended

Mar. 31, 2015

Comprehensive Income (Loss) Note [Text Block]

Note 13: Other Comprehensive Income (Loss)

The following tables summarize the activity related to each component of other comprehensive income (loss) during the three months ended March 31, 2015 and 2014:



(Amounts presented net of taxes)	Foreign Currency Translation Gains (Losses)			Unrealized Net Gains (Losses) on Securities			Defined Benefit Pension and Retiree Health Benefit Plans			Effective Portion of Cash Flow Hedges			Accumulated Other Comprehensive Loss
Balance at December 31, 2014	$	(498.4	)	$	99.7		$	(3,402.0	)	$	(191.1	)	$	(3,991.8	)

Other comprehensive income (loss) before reclassifications	(796.0		)	67.8			55.2			(36.9		)	(709.9		)
Net amount reclassified from accumulated other comprehensive loss	—			(11.9		)	53.7			2.4			44.2
Net other comprehensive income (loss)	(796.0		)	55.9			108.9			(34.5		)	(665.7		)

Balance at March 31, 2015	$	(1,294.4	)	$	155.6		$	(3,293.1	)	$	(225.6	)	$	(4,657.5	)



(Amounts presented net of taxes)	Foreign Currency Translation Gains (Losses)			Unrealized Net Gains (Losses) on Securities			Defined Benefit Pension and Retiree Health Benefit Plans			Effective Portion of Cash Flow Hedges			Accumulated Other Comprehensive Loss
Balance at December 31, 2013	$	463.0		$	205.2		$	(2,489.1	)	$	(181.8	)	$	(2,002.7	)

Other comprehensive income (loss) before reclassifications	(3.3		)	10.3			1.5			15.1			23.6
Net amount reclassified from accumulated other comprehensive loss	—			(49.3		)	44.1			27.0			21.8
Net other comprehensive income (loss)	(3.3		)	(39.0		)	45.6			42.1			45.4

Balance at March 31, 2014	$	459.7		$	166.2		$	(2,443.5	)	$	(139.7	)	$	(1,957.3	)

The tax effect on the unrealized net gains (losses) on securities was an expense of $30.0 million and a benefit of $21.2 million for the three months ended March 31, 2015 and 2014, respectively.

The tax effect related to our defined benefit pension and retiree health benefit plans was an expense of $42.5 million and $23.5 million for the three months ended March 31, 2015 and 2014, respectively.

The tax effect on the effective portion of cash flow hedges was a benefit of $18.5 million and an expense of $22.4 million for the three months ended March 31, 2015 and 2014, respectively. Income taxes are not provided for foreign currency translation.



	Reclassifications Out of Accumulated Other Comprehensive Loss
Details about Accumulated Other Comprehensive Loss Components	Three Months Ended March 31,						Affected line Item in the Consolidated Condensed Statements of Operations
	Three Months Ended March 31,
	2015			2014
Amortization of retirement benefit items:
Prior service benefits, net	$	(19.1	)	$	(6.4	)	⁽¹⁾
Actuarial losses	101.8			74.2			⁽¹⁾
Total before tax	82.7			67.8
Tax benefit	(29.0		)	(23.7		)	Income Taxes
Net of tax	53.7			44.1

Unrealized gains/losses on available-for-sale securities:
Realized gains, net before tax	(18.3		)	(75.8		)	Other–net, (income) expense
Total before tax	(18.3		)	(75.8		)
Tax expense	6.4			26.5			Income Taxes
Net of tax	(11.9		)	(49.3		)
Other, net of tax	2.4			27.0			Other–net, (income) expense
Total reclassifications for the period (net of tax)	$	44.2		$	21.8


¹	These accumulated other comprehensive loss components are included in the computation of net periodic benefit (see Note 11).

- Definition

The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e689-108580

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Reclassification Adjustments
-URI http://asc.fasb.org/extlink&oid=6522872

+ Details

Other-Net, Expense (Income)

3 Months Ended

Mar. 31, 2015

Nonoperating Income (Expense) [Abstract]

Other - Net, Expense (Income) [Text Block]

Note 14: Other–Net, (Income) Expense

Other–net, (income) expense consisted of the following:



	Three Months Ended March 31,
	2015			2014
Interest expense	$	40.9		$	37.8
Interest income	(21.4		)	(34.4		)
Other income	(112.2		)	(59.4		)
Other–net, (income) expense	$	(92.7	)	$	(56.0	)

Other–net, income for the three months ended March 31, 2015 reflects a favorable legal judgment and net gains on investments.

Segment Information

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Segment Reporting Disclosure [Text Block]

Note 15: Segment Information

We operate in two business segments—human pharmaceutical products and animal health. Our business segments are distinguished by the ultimate end user of the product—humans or animals. Performance is evaluated based on profit or loss from operations before income taxes. The animal health segment amounts for the three months ended March 31, 2015 include the results of operations from Novartis AH which was acquired on January 1, 2015. See Note 3 for additional information regarding the Novartis AH acquisition.



	Three Months Ended March 31,
	2015		2014
Segment revenue—to unaffiliated customers:
Human pharmaceutical products:
Endocrinology:
Humalog^®	$	684.0	$	650.0
Humulin^®	315.7		316.2
Forteo^®	293.0		300.4
Evista^®	66.8		150.1
Trajenta	82.3		76.9
Other Endocrinology	184.5		145.6
Total Endocrinology	1,626.3		1,639.2

Neuroscience:
Cymbalta^®	287.0		478.2
Zyprexa^®	219.5		283.1
Strattera^®	173.7		154.4
Other Neuroscience	45.1		48.7
Total Neuroscience	725.3		964.4

Oncology:
Alimta	573.0		632.0
Erbitux	88.2		90.9
Cyramza^®	67.5		—
Other Oncology	30.3		41.4
Total Oncology	759.0		764.3

Cardiovascular:
Cialis^®	538.3		532.4
Effient	121.8		119.3
Other Cardiovascular	55.1		61.1
Total Cardiovascular	715.2		712.8

Other pharmaceuticals	69.1		75.0
Total human pharmaceutical products	3,894.9		4,155.7
Animal health	749.8		527.4
Revenue	$	4,644.7	$	4,683.1



	Three Months Ended March 31,
	2015			2014
Segment profits⁽¹⁾:
Human pharmaceutical products	$	1,083.1		$	787.8
Animal health	115.0			134.4
Total segment profits	$	1,198.1		$	922.2

Reconciliation of total segment profits to consolidated income before taxes:
Segment profits	$	1,198.1		$	922.2
Other profits (losses):
Acquired in-process research and development (Note 3)	(256.0		)	—
Asset impairment, restructuring, and other special charges (Note 5)	(108.0		)	(31.4		)
Amortization of intangible assets ⁽²⁾	(152.7		)	—
Inventory fair value adjustment related to Novartis AH (Note 3)	(63.5		)	—
Consolidated income before taxes	$	617.9		$	890.8


¹	Human pharmaceutical products segment profit includes total depreciation expense of $188.1 million and $206.4 million for the three months ended March 31, 2015 and 2014, respectively. Animal health segment profit includes total depreciation expense of $16.7 million and $13.6 million for the three months ended March 31, 2015 and 2014, respectively.


²	In 2015, the measurement of segment profitability was changed to exclude the amortization of intangible assets. If we were to adjust the three months ended March 31, 2014 to conform with the 2015 presentation and exclude amortization of intangible assets, the human pharmaceutical products and animal health segment profits would be increased by $116.9 million and $11.9 million, respectively.

For internal management reporting presented to the chief operating decision maker, certain costs are fully allocated to our human pharmaceutical products segment and therefore are not reflected in the animal health segment's profit. Such items include costs associated with treasury-related financing, global administrative services, certain acquisition-related transaction costs, and certain manufacturing costs.

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 34
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 280
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-SubTopic 10
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9031-108599

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

Financial Instruments (Policies)	3 Months Ended
Financial Instruments (Policies)	Mar. 31, 2015
Fair Value Disclosures [Abstract]
Description of Derivative Risk Management Policy	Accounting Policy for Risk-Management Instruments Our derivative activities are initiated within the guidelines of documented corporate risk-management policies and offset losses and gains on the assets, liabilities, and transactions being hedged. Management reviews the correlation and effectiveness of our derivatives on a quarterly basis. For derivative contracts that are designated and qualify as fair value hedges, the derivative instrument is marked to market with gains and losses recognized currently in income to offset the respective losses and gains recognized on the underlying exposure. For derivative contracts that are designated and qualify as cash flow hedges, the effective portion of gains and losses on these contracts is reported as a component of accumulated other comprehensive loss and reclassified into earnings in the same period the hedged transaction affects earnings. Hedge ineffectiveness is immediately recognized in earnings. Derivative contracts that are not designated as hedging instruments are recorded at fair value with the gain or loss recognized in current earnings during the period of change. We may enter into foreign currency forward or option contracts to reduce the effect of fluctuating currency exchange rates (principally the euro, the British pound, and the Japanese yen). Foreign currency derivatives used for hedging are put in place using the same or like currencies and duration as the underlying exposures. Forward and option contracts are principally used to manage exposures arising from subsidiary trade and loan payables and receivables denominated in foreign currencies. These contracts are recorded at fair value with the gain or loss recognized in other–net, (income) expense. We may enter into foreign currency forward and option contracts and currency swaps as fair value hedges of firm commitments. Forward contracts generally have maturities not exceeding 12 months.

Acquisitions Business Combinations (Tables)

3 Months Ended

Mar. 31, 2015

Business Acquisition [Line Items]

Business Acquisition, Pro Forma Information [Table Text Block]



	Unaudited Pro Forma Consolidated Results
	Three Months Ended March 31,
	2015		2014
Revenue	$	4,644.7	$	4,934.9
Net Income	574.9		627.1
Diluted earnings per share	0.54		0.58

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

The following table summarizes the preliminary amounts recognized for assets acquired and liabilities assumed as of the acquisition date:



Estimated Fair Value at January 1, 2015
Inventories	$	386.7
Acquired in-process research and development	294.0
Marketed products¹	1,940.0
Property and equipment	218.9
Assets held for sale (primarily the U.S. Sentinel rights)	426.7
Deferred income taxes	(84.9		)
Other assets and liabilities - net	(86.2		)
Total identifiable net assets	3,095.2
Goodwill²	2,196.8
Total consideration transferred - net of cash acquired	$	5,292.0

Collaborations (Tables)

3 Months Ended

Mar. 31, 2015

Erbitux [Member]

Schedule of Collaborative Arrangements and Non-collaborative Arrangement Transactions [Table Text Block]

The following table summarizes our revenue recognized with respect to Erbitux:



	Three Months Ended March 31,
	2015		2014
Net product revenues	$	13.8	$	13.2
Collaboration and other revenue	74.4		77.7
Revenue	$	88.2	$	90.9

Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]

The following effects of risk-management instruments were recognized in other–net, (income) expense:



	Three Months Ended March 31,
	2015			2014
Fair value hedges:
Effect from hedged fixed-rate debt	$	58.9		$	51.8
Effect from interest rate contracts	(58.9		)	(51.8		)
Cash flow hedges:
Effective portion of losses on equity contracts reclassified from accumulated other comprehensive loss⁽¹⁾	—			39.5
Effective portion of losses on interest rate contracts reclassified from accumulated other comprehensive loss	2.7			2.2
Net (gains) losses on foreign currency exchange contracts not designated as hedging instruments	23.3			(0.3		)

Fair Value, Assets Measured on Recurring Basis [Table Text Block]



					Fair Value Measurements Using
Description	Carrying Amount		Amortized Cost		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Fair Value
March 31, 2015
Cash equivalents	$	1,056.8	$	1,056.8	$	1,005.0	$	51.8	$	—	$	1,056.8

Short-term investments:
U.S. government and agencies	$	282.2	$	282.2	$	278.2	$	4.0	$	—	$	282.2
Corporate debt securities	790.2		789.3		—		790.2		—		790.2
Other securities	2.6		2.6		—		2.6		—		2.6
Short-term investments	$	1,075.0	$	1,074.1

Noncurrent investments:
U.S. government and agencies	$	698.0	$	696.8	$	676.0	$	22.0	$	—	$	698.0
Corporate debt securities	2,369.5		2,362.6		—		2,369.5		—		2,369.5
Mortgage-backed securities	223.0		222.1		—		223.0		—		223.0
Asset-backed securities	486.0		486.1		—		486.0		—		486.0
Other securities	4.9		4.9		—		4.9		—		4.9
Marketable equity securities	284.5		54.8		284.5		—		—		284.5
Equity method and other investments⁽¹⁾	510.6		510.6
Noncurrent investments	$	4,576.5	$	4,337.9

December 31, 2014
Cash equivalents	$	2,443.5	$	2,443.5	$	2,415.5	$	28.0	$	—	$	2,443.5

Short-term investments:
U.S. government and agencies	$	185.5	$	185.6	$	156.5	$	29.0	$	—	$	185.5
Corporate debt securities	767.4		766.7		—		767.4		—		767.4
Other securities	2.5		2.5		—		2.5		—		2.5
Short-term investments	$	955.4	$	954.8

Noncurrent investments:
U.S. government and agencies	$	756.7	$	757.5	$	747.5	$	9.2	$	—	$	756.7
Corporate debt securities	2,462.7		2,468.9		—		2,462.7		—		2,462.7
Mortgage-backed securities	217.0		217.6		—		217.0		—		217.0
Asset-backed securities	477.8		478.0		—		477.8		—		477.8
Other securities	3.2		3.2		—		3.2		—		3.2
Marketable equity securities	204.8		44.0		204.8		—		—		204.8
Equity method and other investments⁽¹⁾	446.7		446.7
Noncurrent investments	$	4,568.9	$	4,415.9

Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]



				Fair Value Measurements Using
Description	Carrying Amount			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)		Fair Value
Short-term borrowings⁽¹⁾
March 31, 2015	$	(590.0	)	$	—	$	(590.0	)	$	—	$	(590.0	)
December 31, 2014	(2,680.6		)	—		(2,680.6		)	—		(2,680.6		)
Long-term debt, including current portion
March 31, 2015	$	(7,630.7	)	$	—	$	(8,053.4	)	$	—	$	(8,053.4	)
December 31, 2014	(5,375.8		)	—		(5,722.1		)	—		(5,722.1		)

Fair Value, by Balance Sheet Grouping [Table Text Block]



				Fair Value Measurements Using
Description	Carrying Amount			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)		Fair Value
March 31, 2015
Risk-management instruments
Interest rate contracts designated as hedging instruments:
Other receivables	$	2.2		$	—	$	2.2		$	—	$	2.2
Sundry	158.5			—		158.5			—		158.5
Foreign exchange contracts not designated as hedging instruments:
Other receivables	31.9			—		31.9			—		31.9
Other current liabilities	(21.3		)	—		(21.3		)	—		(21.3		)

December 31, 2014
Risk-management instruments
Interest rate contracts designated as hedging instruments:
Sundry	$	102.5		$	—	$	102.5		$	—	$	102.5
Other current liabilities	(149.5		)	—		(149.5		)	—		(149.5		)
Other noncurrent liabilities	(0.7		)	—		(0.7		)	—		(0.7		)
Foreign exchange contracts not designated as hedging instruments:
Other receivables	9.1			—		9.1			—		9.1
Other current liabilities	(14.0		)	—		(14.0		)	—		(14.0		)

Available-for-sale Securities [Table Text Block]

The table below summarizes the contractual maturities of our investments in debt securities measured at fair value as of March 31, 2015:



	Maturities by Period
	Total		Less Than 1 Year		2-5 Years		6-10 Years		More Than 10 Years
Fair value of debt securities	$	4,856.4	$	1,075.0	$	3,224.8	$	317.2	$	239.4



	March 31, 2015		December 31, 2014
Unrealized gross gains	$	250.7	$	171.9
Unrealized gross losses	11.2		18.3
Fair value of securities in an unrealized gain position	2,885.6		1,778.8
Fair value of securities in an unrealized loss position	2,048.3		3,129.2

Gain (Loss) on Investments [Table Text Block]

Activity related to our investment portfolio, substantially all of which related to other investments and available-for-sale securities, was as follows:



	Three Months Ended March 31,
	2015		2014
Proceeds from sales	$	969.8	$	3,742.2
Realized gross gains on sales	54.5		79.8
Realized gross losses on sales	0.7		4.0

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

+ References + Details

- Definition

Tabular disclosure of the realized and unrealized gains and losses reported in the statement of income which have resulted from the sale and holding of marketable securities, respectively, as well as the sale or disposal of cost method investments. Such amounts would include realized gains and losses on the sale or disposal of trading, available-for-sale, and held-to-maturity securities, unrealized gains and losses on trading securities, unrealized gains and losses on available-for-sale and held-to-maturity securities transferred to the trading securities category, realized gains and losses on the sale or disposal of cost method investments, and losses recognized for other than temporary impairments (OTTI) of such investments.

+ References + Details

Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

Finite-Lived Intangible Assets [Line Items]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The components of finite-lived intangible assets were as follows:



	March 31, 2015							December 31, 2014
Description	Carrying Amount— Gross		Accumulated Amortization			Carrying Amount— Net		Carrying Amount— Gross		Accumulated Amortization			Carrying Amount— Net
Marketed products	$	7,614.3	$	(3,062.0	)	$	4,552.3	$	5,684.3	$	(2,915.6	)	$	2,768.7
Other	147.4		(47.7		)	99.7		149.3		(45.2		)	104.1
Total finite-lived intangible assets	$	7,761.7	$	(3,109.7	)	$	4,652.0	$	5,833.6	$	(2,960.8	)	$	2,872.8

Goodwill and Other Intangible Assets Schedule of Indefinite-Lived Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

Acquired Indefinite-lived Intangible Assets [Line Items]

Schedule of Intangible Assets and Goodwill [Table Text Block]

Goodwill and other indefinite-lived intangible assets were as follows:



	March 31, 2015		December 31, 2014
Goodwill (by segment):
Human pharmaceutical products	$	1,359.1	$	1,359.4
Animal health	2,587.8		398.7
Total goodwill	3,946.9		1,758.1
In-process research and development	295.7		11.4
Total indefinite-lived intangible assets	$	4,242.6	$	1,769.5

Retirement Benefits (Tables)

3 Months Ended

Mar. 31, 2015

Pension Plans, Defined Benefit [Member]

Schedule of Net Benefit Costs [Table Text Block]

Net pension and retiree health benefit expense included the following components:



	Defined Benefit Pension Plans						Retiree Health Benefit Plans
	Three Months Ended March 31,						Three Months Ended March 31,
	2015			2014			2015			2014
Components of net periodic benefit cost:
Service cost	$	77.0		$	62.7		$	9.8		$	11.3
Interest cost	117.1			119.2			15.4			21.2
Expected return on plan assets	(191.8		)	(189.3		)	(37.1		)	(36.0		)
Amortization of prior service cost	2.5			0.9			(21.6		)	(7.3		)
Recognized actuarial loss	92.4			69.1			9.4			5.1
Net periodic benefit cost	$	97.2		$	62.6		$	(24.1	)	$	(5.7	)

Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2015

Accumulated Other Comprehensive Income (Loss) [Line Items]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]



(Amounts presented net of taxes)	Foreign Currency Translation Gains (Losses)			Unrealized Net Gains (Losses) on Securities			Defined Benefit Pension and Retiree Health Benefit Plans			Effective Portion of Cash Flow Hedges			Accumulated Other Comprehensive Loss
Balance at December 31, 2013	$	463.0		$	205.2		$	(2,489.1	)	$	(181.8	)	$	(2,002.7	)

Other comprehensive income (loss) before reclassifications	(3.3		)	10.3			1.5			15.1			23.6
Net amount reclassified from accumulated other comprehensive loss	—			(49.3		)	44.1			27.0			21.8
Net other comprehensive income (loss)	(3.3		)	(39.0		)	45.6			42.1			45.4

Balance at March 31, 2014	$	459.7		$	166.2		$	(2,443.5	)	$	(139.7	)	$	(1,957.3	)



(Amounts presented net of taxes)	Foreign Currency Translation Gains (Losses)			Unrealized Net Gains (Losses) on Securities			Defined Benefit Pension and Retiree Health Benefit Plans			Effective Portion of Cash Flow Hedges			Accumulated Other Comprehensive Loss
Balance at December 31, 2014	$	(498.4	)	$	99.7		$	(3,402.0	)	$	(191.1	)	$	(3,991.8	)

Other comprehensive income (loss) before reclassifications	(796.0		)	67.8			55.2			(36.9		)	(709.9		)
Net amount reclassified from accumulated other comprehensive loss	—			(11.9		)	53.7			2.4			44.2
Net other comprehensive income (loss)	(796.0		)	55.9			108.9			(34.5		)	(665.7		)

Balance at March 31, 2015	$	(1,294.4	)	$	155.6		$	(3,293.1	)	$	(225.6	)	$	(4,657.5	)

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]



	Reclassifications Out of Accumulated Other Comprehensive Loss
Details about Accumulated Other Comprehensive Loss Components	Three Months Ended March 31,						Affected line Item in the Consolidated Condensed Statements of Operations
	Three Months Ended March 31,
	2015			2014
Amortization of retirement benefit items:
Prior service benefits, net	$	(19.1	)	$	(6.4	)	⁽¹⁾
Actuarial losses	101.8			74.2			⁽¹⁾
Total before tax	82.7			67.8
Tax benefit	(29.0		)	(23.7		)	Income Taxes
Net of tax	53.7			44.1

Unrealized gains/losses on available-for-sale securities:
Realized gains, net before tax	(18.3		)	(75.8		)	Other–net, (income) expense
Total before tax	(18.3		)	(75.8		)
Tax expense	6.4			26.5			Income Taxes
Net of tax	(11.9		)	(49.3		)
Other, net of tax	2.4			27.0			Other–net, (income) expense
Total reclassifications for the period (net of tax)	$	44.2		$	21.8

Other - Net, Expense (Income) (Tables)

3 Months Ended

Mar. 31, 2015

Nonoperating Income (Expense) [Abstract]

Schedule of Other Nonoperating Income (Expense) [Table Text Block]

Other–net, (income) expense consisted of the following:



	Three Months Ended March 31,
	2015			2014
Interest expense	$	40.9		$	37.8
Interest income	(21.4		)	(34.4		)
Other income	(112.2		)	(59.4		)
Other–net, (income) expense	$	(92.7	)	$	(56.0	)

Segment Information (Tables)

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Segment Information [Text Block]



	Three Months Ended March 31,
	2015		2014
Segment revenue—to unaffiliated customers:
Human pharmaceutical products:
Endocrinology:
Humalog^®	$	684.0	$	650.0
Humulin^®	315.7		316.2
Forteo^®	293.0		300.4
Evista^®	66.8		150.1
Trajenta	82.3		76.9
Other Endocrinology	184.5		145.6
Total Endocrinology	1,626.3		1,639.2

Neuroscience:
Cymbalta^®	287.0		478.2
Zyprexa^®	219.5		283.1
Strattera^®	173.7		154.4
Other Neuroscience	45.1		48.7
Total Neuroscience	725.3		964.4

Oncology:
Alimta	573.0		632.0
Erbitux	88.2		90.9
Cyramza^®	67.5		—
Other Oncology	30.3		41.4
Total Oncology	759.0		764.3

Cardiovascular:
Cialis^®	538.3		532.4
Effient	121.8		119.3
Other Cardiovascular	55.1		61.1
Total Cardiovascular	715.2		712.8

Other pharmaceuticals	69.1		75.0
Total human pharmaceutical products	3,894.9		4,155.7
Animal health	749.8		527.4
Revenue	$	4,644.7	$	4,683.1



	Three Months Ended March 31,
	2015			2014
Segment profits⁽¹⁾:
Human pharmaceutical products	$	1,083.1		$	787.8
Animal health	115.0			134.4
Total segment profits	$	1,198.1		$	922.2

Reconciliation of total segment profits to consolidated income before taxes:
Segment profits	$	1,198.1		$	922.2
Other profits (losses):
Acquired in-process research and development (Note 3)	(256.0		)	—
Asset impairment, restructuring, and other special charges (Note 5)	(108.0		)	(31.4		)
Amortization of intangible assets ⁽²⁾	(152.7		)	—
Inventory fair value adjustment related to Novartis AH (Note 3)	(63.5		)	—
Consolidated income before taxes	$	617.9		$	890.8

Acquisitions (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended	3 Months Ended
	Apr. 30, 2014	Jan. 31, 2015	Jun. 30, 2015	Mar. 31, 2015	Mar. 31, 2014	Jan. 01, 2015	Dec. 31, 2014
Amortization of Intangible Assets				$ 154.2	$ 131.9
Cost of sales				1,192.7	1,222.7
Interest Expense				40.9	37.8
Restricted cash				0.0			$ 5,405.6
Payments to Acquire Businesses, Net of Cash Acquired				5,276.7	0.0
Goodwill				3,946.9			$ 1,758.1
Acquired in-process research and development				256.0	0.0
Lohmann Animal Health [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	$ 51.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	89.8
Payments to Acquire Businesses, Net of Cash Acquired	551.4
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt	39.8
Goodwill	243.7
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent	(92.7)
Business Combination, Consideration Transferred	591.2
Novartis Animal Health [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory						$ 386.7
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles						1,940.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets						294.0
Business Combination, Consideration Transferred						5,292.0
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		19 years
Business Acquisition, Goodwill, Expected Tax Deductible Amount						900.0
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual				236.4
Business Acquisition, Pro Forma Revenue				4,644.7	4,934.9
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment						218.9
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets held for sale						426.7
Goodwill						2,196.8
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent						(84.9)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities						(86.2)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net						$ 3,095.2
Business Combination, Consideration Transferred		$ 5,290.0
Business Acquisition, Pro Forma Net Income (Loss)				$ 574.9	$ 627.1
Business Acquisition, Pro Forma Earnings Per Share, Diluted				$ 0.54	$ 0.58
Innovent Biologics, Inc. [Member]
Acquired in-process research and development				$ 56.0
Developed Technology Rights [Member] \| Lohmann Animal Health [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	275.4
Customer Relationships [Member] \| Lohmann Animal Health [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 23.9
Tanezumab [Member]
Acquired in-process research and development				200.0
Subsequent Event [Member] \| Hanmi Pharmaceutical Co., Ltd. [Member]
Acquired in-process research and development			$ 50.0
Discontinued Operations, Held-for-sale [Member] \| United States [Member] \| U.S. Sentinel Product Line [Member]
Proceeds from Divestiture of Businesses		$ 410.0
Amortization of Fair Value Adjusted Intangible Assets [Member] \| Novartis Animal Health [Member]
Amortization of Intangible Assets					$ 26.0
Fair Value Adjustment to Inventory [Member] \| Novartis Animal Health [Member]
Cost of sales				63.0	(63.5)
Acquisition-related Costs [Member] \| Novartis Animal Health [Member]
Interest Expense				20.0
Corporate, Non-Segment [Member]
Amortization of Intangible Assets				(152.7)	0.0
Acquired in-process research and development				256.0	0.0
Corporate, Non-Segment [Member] \| Fair Value Adjustment to Inventory [Member]
Cost of sales				$ (63.5)	$ 0.0

Collaborations (Details) - USD ($) $ in Millions	1 Months Ended					3 Months Ended				6 Months Ended	10 Months Ended	12 Months Ended
Collaborations (Details) - USD ($) $ in Millions	Oct. 31, 2013	Aug. 31, 2012	Nov. 30, 2011	Dec. 31, 2009	Jun. 30, 2001	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Jun. 30, 2011	Oct. 31, 2011	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2011
Collaboration and other revenue							$ 196.1		$ 181.2
Revenue							4,644.7		4,683.1
Research and development							1,039.3		1,109.3
Nonoperating Income (Expense)							92.7		56.0
Marketing, selling, and administrative							1,523.5		1,484.9
Acquired in-process research and development							256.0		0.0
Amortization of Intangible Assets							154.2		131.9
Bi Compounds [Member]
Nonoperating Income (Expense)								$ 92.0
Lly Compounds [Member]
Acquired in-process research and development								$ 55.2
Erbitux [Member]
Net product sales							13.8		13.2
Collaboration and other revenue							74.4		77.7
Revenue							88.2		90.9
Effient [Member]
Net product sales							121.8		119.3
Amylin [Member]
Proceeds from prepayment of revenue-sharing obligation		$ 1,210.0
Trajenta (BI) [Member]
Revenue							82.3		76.9
Tanezumab [Member]
Acquired in-process research and development							200.0
Sales [Member] \| Amylin [Member]
Collaborative Arrangement, Rights and Obligations Percent			15.00%
Sales [Member] \| Outside the United States [Member] \| Exenatide [Member]
Collaborative Arrangement, Rights and Obligations Percent											100.00%
Revenue Share [Member] \| Amylin [Member]
Collaborative Arrangement, Rights and Obligations, Terms		$ (1,260.0)	$ (1,200.0)
Revenue Share [Member] \| United States [Member] \| Amylin [Member]
Collaborative Arrangement, Rights and Obligations Percent			65.00%
Revenue Share [Member] \| Outside the United States [Member] \| Amylin [Member]
Collaborative Arrangement, Rights and Obligations Percent			35.00%
Secured Note [Member] \| Amylin [Member]
Debt Instrument, Interest Rate, Stated Percentage			9.50%
Profit and Development and Marketing Share [Member] \| Effient [Member]
Collaborative Arrangement, Rights and Obligations Percent					50.00%
Research and Development Exp [Member] \| Baricitinib [Member]
Collaborative Arrangement, Rights and Obligations Percent				30.00%
Milestone Payments [Member] \| Solanezumab [Member]
Collaborative Arrangement, Rights and Obligations, Terms										$ 70.0
Milestone Payments, Development and Regulatory [Member] \| Lly Compounds [Member]
Collaborative Arrangement, Rights and Obligations, Terms							187.5					$ (62.5)	$ (50.0)
Milestone Payments, Development and Regulatory [Member] \| Amylin [Member]
Collaborative Arrangement, Rights and Obligations, Terms			$ (150.0)
Milestone Payments, Development and Regulatory [Member] \| Trajenta (BI) [Member]
Collaborative Arrangement, Rights and Obligations, Terms														$ 478.7
Milestone Payments, Development and Regulatory [Member] \| Jardiance (BI) [Member]
Collaborative Arrangement, Rights and Obligations, Terms												$ 300.5	$ 97.2
Milestone Payments, Development and Regulatory [Member] \| Baricitinib [Member]
Collaborative Arrangement, Rights and Obligations, Terms							415.0
Milestone Payments, Development and Regulatory [Member] \| Tanezumab [Member]
Collaborative Arrangement, Rights and Obligations, Terms	$ 350.0
Milestone Payments, Sales-based [Member] \| Baricitinib [Member]
Collaborative Arrangement, Rights and Obligations, Terms							150.0
Milestone Payments, Sales-based [Member] \| Tanezumab [Member]
Collaborative Arrangement, Rights and Obligations, Terms	$ 1,230.0
Royalty Agreement Terms [Member] \| Solanezumab [Member]
Collaborative Arrangement, Rights and Obligations, Terms of Arrangement, Period										10 years
Royalty Agreement Terms [Member] \| Baricitinib [Member]
Collaborative Arrangement, Rights and Obligations Percent				20.00%
Upfront Payment [Member] \| Amylin [Member]
Collaborative Arrangement, Rights and Obligations, Terms			$ (250.0)
Collaborative Arrangement [Member]
Marketing, selling, and administrative							$ 49.3		$ 48.0
Subsequent Event [Member] \| Sales [Member] \| Erbitux [Member]
Collaborative Arrangement, Rights and Obligations Percent						38.00%

Asset Impairments, Restructuring, and Other Special Charges (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Unusual or Infrequent Item [Line Items]
Asset impairment, restructuring, and other special charges	$ 108.0	$ 31.4

Financial Instruments (Details) € in Millions, ¥ in Millions, £ in Millions, $ in Millions	1 Months Ended	3 Months Ended		12 Months Ended
	Feb. 28, 2015 USD ($)	Mar. 31, 2015 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2014 USD ($)	Mar. 31, 2015 EUR (€)	Mar. 31, 2015 GBP (£)	Mar. 31, 2015 USD ($)	Mar. 31, 2015 JPY (¥)
Available-for-sale Securities, Gross Realized Gains		$ 54.5	$ 79.8
Repayments of Long-term Debt		$ 1.5	1,002.0
Available-for-sale Securities, Debt Securities							$ 4,856.4
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Percentage of Nonperforming Assets		90.00%
Maximum Remaining Maturity of Foreign Currency Derivatives		30 days
Description of Derivative Activity Volume Percent					50.00%	50.00%	50.00%	50.00%
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net							$ 14.6
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value							3,224.8
Available-for-sale Securities, Gross Unrealized Gains		$ 250.7		$ 171.9
Available-for-sale Securities, Gross Unrealized Losses		11.2		18.3
Available-for-sale Securities, Continuous Unrealized Gain Position, Fair Value				1,778.8			2,885.6
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value				3,129.2			2,048.3
Other than Temporary Impairment Losses, Investments		3.6	0.0
Proceeds from Sale and Maturity of Available-for-sale Securities		969.8	3,742.2
Available-for-sale Securities, Gross Realized Losses		0.7	4.0
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value							1,075.0
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value							317.2
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value							239.4
Payments for terminations of interest rate swaps		206.3	6.9
Maturity Date, 2018 [Member]
Long-term Debt							$ (600.0)
Debt Instrument, Interest Rate, Stated Percentage					1.25%	1.25%	1.25%	1.25%
Maturity Date, 2025 [Member]
Long-term Debt							$ (800.0)
Debt Instrument, Interest Rate, Stated Percentage					2.75%	2.75%	2.75%	2.75%
Maturity Date, 2045 [Member]
Long-term Debt							$ (800.0)
Debt Instrument, Interest Rate, Stated Percentage					3.70%	3.70%	3.70%	3.70%
Equity Contract [Member]
Available-for-sale Securities, Gross Realized Gains			69.0
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion		0.0	39.5
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net		0.0	85.9
Hedged Fixed-Rate Debt [Member]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge		58.9	51.8
Interest Rate Contract [Member]
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments		(58.9)	(51.8)
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion		2.7	2.2
Available-for-sale Securities, Noncurrent [Abstract]
Derivative Liability, Notional Amount	$ 1,350.0
Payments for terminations of interest rate swaps	$ 206.3
Interest Rate Derivative Instruments Not Designated as Hedging Instruments at Fair Value, Net		0.0
Foreign Exchange Contract [Member]
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments		$ 23.3	$ (0.3)
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Short-term Debt				(2,680.6)			$ (590.0)
Cash and Cash Equivalents, Fair Value Disclosure				2,443.5			1,056.8
Long-term Debt				(5,375.8)			(7,630.7)
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Current, Total				955.4			1,075.0
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Noncurrent, Total				4,568.9			4,576.5
Carrying (Reported) Amount, Fair Value Disclosure [Member] \| Interest Rate Contract [Member] \| Designated as Hedging Instrument [Member]
Derivative Assets, Current							2.2
Derivative Assets, Noncurrent				102.5			158.5
Derivative Liabilities, Current				(149.5)
Derivative Liabilities, Noncurrent				(0.7)
Carrying (Reported) Amount, Fair Value Disclosure [Member] \| Foreign Exchange Contract [Member] \| Not Designated as Hedging Instrument [Member]
Derivative Assets, Current				9.1			31.9
Derivative Liabilities, Current				(14.0)			(21.3)
Available-for-Sale Securities, Amortized Cost [Member]
Cash and Cash Equivalents, Fair Value Disclosure				2,443.5			1,056.8
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Current, Total				954.8			1,074.1
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Noncurrent, Total				4,415.9			4,337.9
Fair Value, Inputs, Level 1 [Member]
Short-term Debt				0.0			0.0
Cash and Cash Equivalents, Fair Value Disclosure				2,415.5			1,005.0
Long-term Debt				0.0			0.0
Fair Value, Inputs, Level 1 [Member] \| Interest Rate Contract [Member] \| Designated as Hedging Instrument [Member]
Derivative Assets, Current							0.0
Derivative Assets, Noncurrent				0.0			0.0
Derivative Liabilities, Current				0.0
Derivative Liabilities, Noncurrent				0.0
Fair Value, Inputs, Level 1 [Member] \| Foreign Exchange Contract [Member] \| Not Designated as Hedging Instrument [Member]
Derivative Assets, Current				0.0			0.0
Derivative Liabilities, Current				0.0			0.0
Fair Value, Inputs, Level 2 [Member]
Short-term Debt				(2,680.6)			(590.0)
Cash and Cash Equivalents, Fair Value Disclosure				28.0			51.8
Long-term Debt				(5,722.1)			(8,053.4)
Fair Value, Inputs, Level 2 [Member] \| Interest Rate Contract [Member] \| Designated as Hedging Instrument [Member]
Derivative Assets, Current							2.2
Derivative Assets, Noncurrent				102.5			158.5
Derivative Liabilities, Current				(149.5)
Derivative Liabilities, Noncurrent				(0.7)
Fair Value, Inputs, Level 2 [Member] \| Foreign Exchange Contract [Member] \| Not Designated as Hedging Instrument [Member]
Derivative Assets, Current				9.1			31.9
Derivative Liabilities, Current				(14.0)			(21.3)
Fair Value, Inputs, Level 3 [Member]
Short-term Debt				0.0			0.0
Cash and Cash Equivalents, Fair Value Disclosure				0.0			0.0
Long-term Debt				0.0			0.0
Fair Value, Inputs, Level 3 [Member] \| Interest Rate Contract [Member] \| Designated as Hedging Instrument [Member]
Derivative Assets, Current							0.0
Derivative Assets, Noncurrent				0.0			0.0
Derivative Liabilities, Current				0.0
Derivative Liabilities, Noncurrent				0.0
Fair Value, Inputs, Level 3 [Member] \| Foreign Exchange Contract [Member] \| Not Designated as Hedging Instrument [Member]
Derivative Assets, Current				0.0			0.0
Derivative Liabilities, Current				0.0			0.0
Estimate of Fair Value, Fair Value Disclosure [Member]
Short-term Debt				(2,680.6)			(590.0)
Cash and Cash Equivalents, Fair Value Disclosure				2,443.5			1,056.8
Long-term Debt				(5,722.1)			(8,053.4)
Estimate of Fair Value, Fair Value Disclosure [Member] \| Interest Rate Contract [Member] \| Designated as Hedging Instrument [Member]
Derivative Assets, Current							2.2
Derivative Assets, Noncurrent				102.5			158.5
Derivative Liabilities, Current				(149.5)
Derivative Liabilities, Noncurrent				(0.7)
Estimate of Fair Value, Fair Value Disclosure [Member] \| Foreign Exchange Contract [Member] \| Not Designated as Hedging Instrument [Member]
Derivative Assets, Current				9.1			31.9
Derivative Liabilities, Current				(14.0)			(21.3)
Corporate Debt Securities [Member] \| Carrying (Reported) Amount, Fair Value Disclosure [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				767.4			790.2
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				2,462.7			2,369.5
Corporate Debt Securities [Member] \| Available-for-Sale Securities, Amortized Cost [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				766.7			789.3
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				2,468.9			2,362.6
Corporate Debt Securities [Member] \| Fair Value, Inputs, Level 1 [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				0.0			0.0
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				0.0			0.0
Corporate Debt Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				767.4			790.2
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				2,462.7			2,369.5
Corporate Debt Securities [Member] \| Fair Value, Inputs, Level 3 [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				0.0			0.0
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				0.0			0.0
Corporate Debt Securities [Member] \| Estimate of Fair Value, Fair Value Disclosure [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				767.4			790.2
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				2,462.7			2,369.5
US Government Agencies Debt Securities [Member] \| Carrying (Reported) Amount, Fair Value Disclosure [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				185.5			282.2
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				756.7			698.0
US Government Agencies Debt Securities [Member] \| Available-for-Sale Securities, Amortized Cost [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				185.6			282.2
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				757.5			696.8
US Government Agencies Debt Securities [Member] \| Fair Value, Inputs, Level 1 [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				156.5			278.2
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				747.5			676.0
US Government Agencies Debt Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				29.0			4.0
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				9.2			22.0
US Government Agencies Debt Securities [Member] \| Fair Value, Inputs, Level 3 [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				0.0			0.0
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				0.0			0.0
US Government Agencies Debt Securities [Member] \| Estimate of Fair Value, Fair Value Disclosure [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				185.5			282.2
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				756.7			698.0
Other Debt Obligations [Member] \| Carrying (Reported) Amount, Fair Value Disclosure [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				2.5			2.6
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				3.2			4.9
Other Debt Obligations [Member] \| Available-for-Sale Securities, Amortized Cost [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				2.5			2.6
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				3.2			4.9
Other Debt Obligations [Member] \| Fair Value, Inputs, Level 1 [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				0.0			0.0
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				0.0			0.0
Other Debt Obligations [Member] \| Fair Value, Inputs, Level 2 [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				2.5			2.6
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				3.2			4.9
Other Debt Obligations [Member] \| Fair Value, Inputs, Level 3 [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				0.0			0.0
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				0.0			0.0
Other Debt Obligations [Member] \| Estimate of Fair Value, Fair Value Disclosure [Member]
Available-for-sale Securities, Current [Abstract]
Available-for-sale Securities, Debt Securities, Current				2.5			2.6
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				3.2			4.9
Collateralized Mortgage Backed Securities [Member] \| Carrying (Reported) Amount, Fair Value Disclosure [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				217.0			223.0
Collateralized Mortgage Backed Securities [Member] \| Available-for-Sale Securities, Amortized Cost [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				217.6			222.1
Collateralized Mortgage Backed Securities [Member] \| Fair Value, Inputs, Level 1 [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				0.0			0.0
Collateralized Mortgage Backed Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				217.0			223.0
Collateralized Mortgage Backed Securities [Member] \| Fair Value, Inputs, Level 3 [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				0.0			0.0
Collateralized Mortgage Backed Securities [Member] \| Estimate of Fair Value, Fair Value Disclosure [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				217.0			223.0
Asset-backed Securities [Member] \| Carrying (Reported) Amount, Fair Value Disclosure [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				477.8			486.0
Asset-backed Securities [Member] \| Available-for-Sale Securities, Amortized Cost [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				478.0			486.1
Asset-backed Securities [Member] \| Fair Value, Inputs, Level 1 [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				0.0			0.0
Asset-backed Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				477.8			486.0
Asset-backed Securities [Member] \| Fair Value, Inputs, Level 3 [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				0.0			0.0
Asset-backed Securities [Member] \| Estimate of Fair Value, Fair Value Disclosure [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Debt Securities, Noncurrent				477.8			486.0
Equity Securities, US [Member] \| Carrying (Reported) Amount, Fair Value Disclosure [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Equity Securities, Noncurrent				204.8			284.5
Equity Securities, US [Member] \| Available-for-Sale Securities, Amortized Cost [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Equity Securities, Noncurrent				44.0			54.8
Equity Securities, US [Member] \| Fair Value, Inputs, Level 1 [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Equity Securities, Noncurrent				204.8			284.5
Equity Securities, US [Member] \| Fair Value, Inputs, Level 2 [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Equity Securities, Noncurrent				0.0			0.0
Equity Securities, US [Member] \| Fair Value, Inputs, Level 3 [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Equity Securities, Noncurrent				0.0			0.0
Equity Securities, US [Member] \| Estimate of Fair Value, Fair Value Disclosure [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Available-for-sale Securities, Equity Securities, Noncurrent				204.8			284.5
Equity Method and Other Investments [Member] \| Carrying (Reported) Amount, Fair Value Disclosure [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Other Long-term Investments				446.7			510.6
Equity Method and Other Investments [Member] \| Available-for-Sale Securities, Amortized Cost [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Other Long-term Investments				$ 446.7			510.6
Buy British pound Sell euro [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Derivative Liability, Notional Amount \| £						£ 142.8
Derivative Asset, Notional Amount \| €					€ 200.3
Buy US dollar Sell euro [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Derivative Liability, Notional Amount							559.2
Derivative Asset, Notional Amount \| €					521.8
Buy euro Sell US dollar [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Derivative Liability, Notional Amount \| €					€ 1,230.0
Derivative Asset, Notional Amount							1,310.0
Buy US dollar Sell Japanese Yen [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Derivative Liability, Notional Amount							308.1
Derivative Asset, Notional Amount \| ¥								¥ 37,220
Buy US dollar Sell British pound [Member]
Available-for-sale Securities, Noncurrent [Abstract]
Derivative Liability, Notional Amount							$ 285.2
Derivative Asset, Notional Amount \| £						£ 192.7

Goodwill and Other Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Indefinite-lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 154.2	$ 131.9
Finite-Lived Intangible Assets, Gross	7,761.7		$ 5,833.6
Goodwill	3,946.9		1,758.1
Indefinite-Lived Intangible Assets, Gross	4,242.6		1,769.5
Finite-Lived Intangible Assets, Accumulated Amortization	(3,109.7)		(2,960.8)
Finite-Lived Intangible Assets, Net	4,652.0		2,872.8
Human Pharmaceutical Products [Member]
Indefinite-lived Intangible Assets [Line Items]
Goodwill	1,359.1		1,359.4
Animal Health Products [Member]
Indefinite-lived Intangible Assets [Line Items]
Goodwill	2,587.8		398.7
In Process Research and Development [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	295.7		11.4
Developed Technology Rights [Member]
Indefinite-lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	7,614.3		5,684.3
Finite-Lived Intangible Assets, Accumulated Amortization	(3,062.0)		(2,915.6)
Finite-Lived Intangible Assets, Net	4,552.3		2,768.7
Other Intangible Assets [Member]
Indefinite-lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	147.4		149.3
Finite-Lived Intangible Assets, Accumulated Amortization	(47.7)		(45.2)
Finite-Lived Intangible Assets, Net	$ 99.7		$ 104.1

Stock-Based Compensation (Details) - USD ($) $ in Millions	3 Months Ended
Stock-Based Compensation (Details) - USD ($) $ in Millions	Mar. 31, 2015	Mar. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	$ 48.9	$ 38.3
Stock-based compensation expense	$ 48.9	$ 38.3
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	$ 145.0
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	29 months
Shareholder Value Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	$ 103.3
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	26 months
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	2 years
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	$ 115.5
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	19 months

Shareholders' Equity (Details) - USD ($) $ in Millions	3 Months Ended
Shareholders' Equity (Details) - USD ($) $ in Millions	Mar. 31, 2015	Mar. 31, 2014	Oct. 31, 2013
Stockholders' Equity Note [Abstract]
Treasury Stock, Value, Acquired, Cost Method	$ 310.6	$ 55.0
Stock Repurchase Program, Authorized Amount			$ 5,000.0

Income Taxes Income Taxes (Details)	12 Months Ended
Income Taxes Income Taxes (Details)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination	2012	2011	2010

Retirement Benefits (Details) - USD ($) $ in Millions	3 Months Ended
Retirement Benefits (Details) - USD ($) $ in Millions	Mar. 31, 2015	Mar. 31, 2014
Pension Contributions	$ 20.0
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year	30.0
Pension And Other Postretirement Benefit Contributions, Estimated Future Discretionary Contributions	270.0
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Service Cost	77.0	$ 62.7
Defined Benefit Plan, Interest Cost	117.1	119.2
Defined Benefit Plan, Expected Return on Plan Assets	(191.8)	(189.3)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	2.5	0.9
Defined Benefit Plan, Actuarial Gain (Loss)	92.4	69.1
Defined Benefit Plan, Net Periodic Benefit Cost, Total	97.2	62.6
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan, Service Cost	9.8	11.3
Defined Benefit Plan, Interest Cost	15.4	21.2
Defined Benefit Plan, Expected Return on Plan Assets	(37.1)	(36.0)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(21.6)	(7.3)
Defined Benefit Plan, Actuarial Gain (Loss)	9.4	5.1
Defined Benefit Plan, Net Periodic Benefit Cost, Total	$ (24.1)	$ (5.7)

Contingencies (Details) $ in Millions, R$ in Billions	1 Months Ended		3 Months Ended
Contingencies (Details) $ in Millions, R$ in Billions	Apr. 30, 2015 USD ($)	Oct. 31, 2014 USD ($)	Mar. 31, 2015 BRL (R$)	Mar. 31, 2015 USD ($)	Sep. 30, 2014 USD ($)
Compensatory Damages [Member] \| Actos [Member]
Loss Contingency, Damages Awarded, Value					$ 1.3
Multi District Litigation MDL [Member] \| Byetta [Member]
Loss Contingency, Number of Lawsuits			340	340
Loss Contingency, Number of Plaintiffs			380	380
Product Liability Litigation [Member] \| Byetta [Member]
Loss Contingency, Number of Lawsuits			450	450
Loss Contingency, Number of Plaintiffs			980	980
Loss Contingency, Number of Claimants			225	225
Product Liability Litigation [Member] \| Prozac [Member]
Loss Contingency, Number of Lawsuits			10	10
Loss Contingency, Number of Claimants			560	560
Product Liability Litigation [Member] \| Actos [Member]
Loss Contingency, Number of Cases			5,700	5,700
Product Liability Litigation [Member] \| Damages from Product, Cancer [Member] \| Byetta [Member]
Loss Contingency, Number of Lawsuits			390	390
Loss Contingency, Number of Plaintiffs			610	610
Product Liability Litigation [Member] \| CANADA \| Actos [Member]
Loss Contingency, Number of Cases			3	3
Product Liability Litigation [Member] \| ONTARIO \| Actos [Member]
Loss Contingency, Number of Cases			1	1
Product Liability Litigation [Member] \| QUEBEC \| Actos [Member]
Loss Contingency, Number of Cases			1	1
Product Liability Litigation [Member] \| ALBERTA \| Actos [Member]
Loss Contingency, Number of Cases			1	1
Product Liability Litigation [Member] \| CALIFORNIA \| Byetta [Member]
Loss Contingency, Number of Lawsuits			100	100
Loss Contingency, Number of Plaintiffs			580	580
Product Liability Litigation [Member] \| Other states [Member] \| Byetta [Member]
Loss Contingency, Number of Lawsuits			10	10
Loss Contingency, Number of Plaintiffs			25	25
Lilly Portion [Member] \| Compensatory Damages [Member] \| Actos [Member]
Loss Contingency, Parties Jointly and Severally Liable in Litigation, Percent Share					25.00%
Lilly Portion [Member] \| Punitive Damages [Member] \| Actos [Member]
Loss Contingency, Damages Awarded, Value		$ 9.0			$ 3,000.0
Takeda Portion [Member] \| Compensatory Damages [Member] \| Actos [Member]
Loss Contingency, Parties Jointly and Severally Liable in Litigation, Percent Share					75.00%
Takeda Portion [Member] \| Punitive Damages [Member] \| Actos [Member]
Loss Contingency, Damages Awarded, Value		$ 28.0			$ 6,000.0
Takeda Portion [Member] \| Product Liability Litigation [Member] \| Actos [Member] \| Subsequent Event [Member]
Litigation Settlement, Amount	$ 2,400.0
Loss Contingency, Parties Jointly and Severally Liable in Litigation, Percent Share	95.00%
Employee Litigation [Member] \| Brazil [Member]
Loss Contingency, Number of Lawsuits			30	30
Loss Contingency, Damages Awarded, Value			R$ 1.0	$ 310.0

Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Arising During Period, before Tax	$ (19.1)	$ (6.4)
Accumulated other comprehensive loss	(4,657.5)	(1,957.3)	$ (3,991.8)	$ (2,002.7)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	(709.9)	23.6
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment Realized upon Sale or Liquidation, Net of Tax	44.2	21.8
Other comprehensive income (loss), net of tax	(665.7)	45.4
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax	101.8	74.2
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax	82.7	67.8
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net (Gain) Loss, Tax	(29.0)	(23.7)
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net (Gain) Loss, Net of Tax	53.7	44.1
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax	(18.3)	(75.8)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax	(18.3)	(75.8)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax	6.4	26.5
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	(11.9)	(49.3)
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax	30.0	(21.2)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, before Reclassification Adjustments, Tax	42.5	23.5
Other Comprehensive Income, Other, Net of Tax	2.4	27.0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	(18.5)	22.4
Accumulated Translation Adjustment [Member]
Accumulated other comprehensive loss	(1,294.4)	459.7	(498.4)	463.0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	(796.0)	(3.3)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment Realized upon Sale or Liquidation, Net of Tax	0.0	0.0
Other comprehensive income (loss), net of tax	(796.0)	(3.3)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated other comprehensive loss	155.6	166.2	99.7	205.2
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	67.8	10.3
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment Realized upon Sale or Liquidation, Net of Tax	(11.9)	(49.3)
Other comprehensive income (loss), net of tax	55.9	(39.0)
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated other comprehensive loss	(3,293.1)	(2,443.5)	(3,402.0)	(2,489.1)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	55.2	1.5
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment Realized upon Sale or Liquidation, Net of Tax	53.7	44.1
Other comprehensive income (loss), net of tax	108.9	45.6
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated other comprehensive loss	(225.6)	(139.7)	$ (191.1)	$ (181.8)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	(36.9)	15.1
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment Realized upon Sale or Liquidation, Net of Tax	2.4	27.0
Other comprehensive income (loss), net of tax	$ (34.5)	$ 42.1

Other - Net, Expense (Income) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Interest Expense	$ 40.9	$ 37.8
Investment Income, Interest	(21.4)	(34.4)
Other (income)expense	(112.2)	(59.4)
Nonoperating Income (Expense), Total	$ (92.7)	$ (56.0)

Segment Information (Details) - USD ($) $ in Millions	3 Months Ended
Segment Information (Details) - USD ($) $ in Millions	Mar. 31, 2015	Mar. 31, 2014
Revenue	$ 4,644.7	$ 4,683.1
Income before income taxes	617.9	890.8
Acquired in-process research and development	(256.0)	0.0
Asset impairment, restructuring, and other special charges	(108.0)	(31.4)
Amortization of Intangible Assets	154.2	131.9
Cost of sales	1,192.7	1,222.7
Marketing, selling, and administrative	1,523.5	1,484.9
Neuroscience [Member]
Revenue	725.3	964.4
Endocrinology [Member]
Revenue	1,626.3	1,639.2
Oncology [Member]
Revenue	759.0	764.3
Cardiovascular [Member]
Revenue	715.2	712.8
Animal health [Member]
Depreciation	16.7	13.6
Income before income taxes	115.0	134.4
Other pharmaceuticals [Member]
Revenue	69.1	75.0
Pharmaceutical products, total [Member]
Depreciation	188.1	206.4
Revenue	3,894.9	4,155.7
Income before income taxes	1,083.1	787.8
Amortization of Intangible Assets		116.9
Animal Health Products [Member]
Revenue	749.8	527.4
Amortization of Intangible Assets		11.9
Operating Segments [Member]
Income before income taxes	1,198.1	922.2
Corporate, Non-Segment [Member]
Acquired in-process research and development	(256.0)	0.0
Asset impairment, restructuring, and other special charges	(108.0)	(31.4)
Amortization of Intangible Assets	(152.7)	0.0
Other Endocrinology [Member] \| Endocrinology [Member]
Revenue	184.5	145.6
Humalog [Member] \| Endocrinology [Member]
Revenue	684.0	650.0
Humulin [Member] \| Endocrinology [Member]
Revenue	315.7	316.2
Forteo [Member] \| Endocrinology [Member]
Revenue	293.0	300.4
Evista [Member] \| Endocrinology [Member]
Revenue	66.8	150.1
Trajenta (BI) [Member]
Revenue	82.3	76.9
Trajenta (BI) [Member] \| Endocrinology [Member]
Revenue		76.9
Cymbalta [Member] \| Neuroscience [Member]
Revenue	287.0	478.2
Zyprexa [Member] \| Neuroscience [Member]
Revenue	219.5	283.1
Strattera [Member] \| Neuroscience [Member]
Revenue	173.7	154.4
Other Neuroscience [Member] \| Neuroscience [Member]
Revenue	45.1	48.7
Alimta [Member] \| Oncology [Member]
Revenue	573.0	632.0
Erbitux [Member]
Revenue	88.2	90.9
Erbitux [Member] \| Oncology [Member]
Revenue	88.2	90.9
Other Oncology [Member] \| Oncology [Member]
Revenue	30.3	41.4
Cialis [Member] \| Cardiovascular [Member]
Revenue	538.3	532.4
Effient [Member] \| Cardiovascular [Member]
Revenue	121.8	119.3
Other Cardiovascular [Member] \| Cardiovascular [Member]
Revenue	55.1	61.1
Cyramza [Member] \| Oncology [Member]
Revenue	67.5	0.0
Fair Value Adjustment to Inventory [Member] \| Corporate, Non-Segment [Member]
Cost of sales	$ (63.5)	$ 0.0