0000059478 2021-02-16 2021-02-16 0000059478 us-gaap:CommonClassAMember 2021-02-16 2021-02-16 0000059478 lly:A1.000NotesDueJune22022Member 2021-02-16 2021-02-16 0000059478 lly:A718NotesDueJune12025Member 2021-02-16 2021-02-16 0000059478 lly:A1.625NotesDueJune22026Member 2021-02-16 2021-02-16 0000059478 lly:A2.125NotesDueJune32030Member 2021-02-16 2021-02-16 0000059478 lly:A625Notesdue2031Member 2021-02-16 2021-02-16 0000059478 lly:A6.77NotesDueJanuary12036Member 2021-02-16 2021-02-16 0000059478 lly:A1.700Notesdue2049Member 2021-02-16 2021-02-16 0000059478 false 8-K 2021-02-16 ELI LILLY AND COMPANY IN 001-06351 35-0470950 Lilly Corporate Center Indianapolis, IN 46285 317 276-2000 false false false false Common Stock (no par value) LLY NYSE 1.000% Notes due 2022 LLY22 NYSE 7 1/8% Notes due 2025 LLY25 NYSE 1.625% Notes due 2026 LLY26 NYSE 2.125% Notes due 2030 LLY30 NYSE 0.625% Notes due 2031 LLY31 NYSE 6.77% Notes due 2036 LLY36 NYSE 1.700% Notes due 2049 LLY49A NYSE false