XML 100 R82.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Borrowings (Summary of Long-term Notes) (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Feb. 28, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Unamortized note discounts | $ (121.2) |  | $ (96.1)
Total long-term notes | $ 19,104.6 |  | 14,815.3
Senior Notes | 0.15% Swiss franc denominated notes due 2024 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 0.15% |  |
Long-term notes, gross | $ 714.6 |  | 649.5
Senior Notes | 7.125% notes due 2025 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 7.125% |  |
Long-term notes, gross | $ 217.5 |  | 217.5
Senior Notes | 2.75% notes due 2025 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 2.75% |  |
Long-term notes, gross | $ 560.6 |  | 560.6
Senior Notes | 5.0% notes due 2026 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 5.00% | 5.00% |
Long-term notes, gross | $ 750.0 |  | 0.0
Senior Notes | 1.625% euro denominated notes due 2026 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 1.625% |  |
Long-term notes, gross | $ 830.7 |  | 799.3
Senior Notes | 5.5% notes due 2027 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 5.50% |  |
Long-term notes, gross | $ 364.3 |  | 364.3
Senior Notes | 3.1% notes due 2027 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 3.10% |  |
Long-term notes, gross | $ 401.5 |  | 401.5
Senior Notes | 0.45% Swiss franc denominated notes due 2028 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 0.45% |  |
Long-term notes, gross | $ 476.4 |  | 433.0
Senior Notes | 3.375% notes due 2029 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 3.375% |  |
Long-term notes, gross | $ 930.6 |  | 930.6
Senior Notes | 0.42% Japanese yen denominated notes due 2029 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 0.42% |  |
Long-term notes, gross | $ 162.5 |  | 172.1
Senior Notes | 2.125% euro denominated notes due 2030 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 2.125% |  |
Long-term notes, gross | $ 830.7 |  | 799.3
Senior Notes | 0.625% euro denominated notes due 2031 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 0.625% |  |
Long-term notes, gross | $ 664.6 |  | 639.4
Senior Notes | 4.7% notes due 2033 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 4.70% | 4.70% |
Long-term notes, gross | $ 1,000.0 |  | 0.0
Senior Notes | 0.50% euro denominated notes due 2033 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 0.50% |  |
Long-term notes, gross | $ 664.6 |  | 639.4
Senior Notes | 0.56% Japanese yen denominated notes due 2034 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 0.56% |  |
Long-term notes, gross | $ 65.8 |  | 69.7
Senior Notes | 6.77% notes due 2036 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 6.77% |  |
Long-term notes, gross | $ 158.6 |  | 158.6
Senior Notes | 5.55% notes due 2037 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 5.55% |  |
Long-term notes, gross | $ 444.7 |  | 444.7
Senior Notes | 5.95% notes due 2037 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 5.95% |  |
Long-term notes, gross | $ 266.8 |  | 266.8
Senior Notes | 3.875% notes due 2039 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 3.875% |  |
Long-term notes, gross | $ 240.3 |  | 240.3
Senior Notes | 1.625% Notes due 2043 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 1.625% |  |
Long-term notes, gross | $ 318.5 |  | 301.2
Senior Notes | 4.65% notes due 2044 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 4.65% |  |
Long-term notes, gross | $ 38.3 |  | 38.3
Senior Notes | 3.7% notes due 2045 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 3.70% |  |
Long-term notes, gross | $ 386.8 |  | 386.8
Senior Notes | 3.95% notes due 2047 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 3.95% |  |
Long-term notes, gross | $ 347.0 |  | 347.0
Senior Notes | 3.95% notes due 2049 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 3.95% |  |
Long-term notes, gross | $ 958.2 |  | 958.2
Senior Notes | 1.70% euro denominated notes due 2049 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 1.70% |  |
Long-term notes, gross | $ 1,107.6 |  | 1,065.7
Senior Notes | 0.97% Japanese yen denominated notes due 2049 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 0.97% |  |
Long-term notes, gross | $ 54.2 |  | 57.4
Senior Notes | 2.25% notes due 2050 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 2.25% |  |
Long-term notes, gross | $ 1,250.0 |  | 1,250.0
Senior Notes | 1.125% euro denominated notes due 2051 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 1.125% |  |
Long-term notes, gross | $ 553.8 |  | 532.9
Senior Notes | 4.875% notes due 2053 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 4.875% | 4.875% |
Long-term notes, gross | $ 1,250.0 |  | 0.0
Senior Notes | 4.15% notes due 2059 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 4.15% |  |
Long-term notes, gross | $ 591.3 |  | 591.3
Senior Notes | 2.50% notes due 2060 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 2.50% |  |
Long-term notes, gross | $ 850.0 |  | 850.0
Senior Notes | 1.375% euro denominated notes due 2061 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 1.375% |  |
Long-term notes, gross | $ 775.3 |  | 746.0
Senior Notes | 4.95% notes due 2063 |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate | 4.95% | 4.95% |
Long-term notes, gross | $ 1,000.0 |  | $ 0.0

X
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-4 + Details
Name: | us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482900/835-30-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-3 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 5: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69B Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69C Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69E -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69E Reference 8: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69F -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69F Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 11: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1D Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1D Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1D Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1E -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1E Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1E -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1E Reference 20: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1E -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1E Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1F Reference 22: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1F Reference 23: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1F Reference 24: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1F Reference 25: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1I -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1I + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after accumulated amortization, of debt discount. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-1A Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482949/835-30-55-8 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1D + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69C Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1D Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-4 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A015SwissFrancDenominatedNotesDue2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A7125NotesDue2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A275NotesDue2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A50NotesDue2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A1625EuroDenominatedNotesDue2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A55NotesDue2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A31NotesDue2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A045SwissFrancDenominatedNotesDue2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A3375NotesDue2029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A42YenDenominatedNotesDue2029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A2125EuroDenominatedNotesDue2030Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A625EuroDenominatedNotesDue2031Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A47NotesDue2033Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A.5000EuroDenominatedNotesDue2033Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A56YenDenominatedNotesDue2034Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A677NotesDue2036Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A555NotesDue2037Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A595NotesDue2037Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A3875NotesDue2039Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A1625BritishPoundDenominatedNotesDue2043Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A465NotesDue2044Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A37NotesDue2045Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A395NotesDue2047Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A395NotesDue2049Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A17EuroDenominatedNotesDue2049Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A97YenDenominatedNotesDue2049Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A225NotesDue2050Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A1.125EuroDenominatedNotesDue2051Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A4875NotesDue2053Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A415NotesDue2059Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A25NotesDue2060Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A1.375EuroDenominatedNotesDue2061Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lly_A495NotesDue2063Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |