XML 109 R90.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Financing arrangements (Interest Rate and Cross-currency Swaps) (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
0.41% 2023 Swiss franc Bonds [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 0.41% |
5.50% 2026 pound sterling Notes [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 5.50% |
Notes payable [Member] |  |
Debt Instrument [Line Items] |  |
Notional amount | $ 10,950 | $ 9,450
Notes payable [Member] | 2.20% notes due 2019 (2.20% 2019 Notes) [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 2.20% |
Notional amount | $ 1,400 | 1,400
Notes payable [Member] | 2.20% notes due 2019 (2.20% 2019 Notes) [Member] | LIBOR [Member] |  |
Debt Instrument [Line Items] |  |
Derivative, effective interest rate | 0.60% |
Notes payable [Member] | 3.45% notes due 2020 (3.45% 2020 Notes) [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 3.45% |
Notional amount | $ 900 | 900
Notes payable [Member] | 3.45% notes due 2020 (3.45% 2020 Notes) [Member] | LIBOR [Member] |  |
Debt Instrument [Line Items] |  |
Derivative, effective interest rate | 1.10% |
Notes payable [Member] | 4.10% notes due 2021 (4.10% 2021 Notes) [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 4.10% |
Notional amount | $ 1,000 | 1,000
Notes payable [Member] | 4.10% notes due 2021 (4.10% 2021 Notes) [Member] | LIBOR [Member] |  |
Debt Instrument [Line Items] |  |
Derivative, effective interest rate | 1.70% |
Notes payable [Member] | 3.875% notes due 2021 (3.875% 2021 Notes) [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 3.875% |
Notional amount | $ 1,750 | 1,750
Notes payable [Member] | 3.875% notes due 2021 (3.875% 2021 Notes) [Member] | LIBOR [Member] |  |
Debt Instrument [Line Items] |  |
Derivative, effective interest rate | 2.00% |
Notes payable [Member] | 3.625% notes due 2022 (3.625% 2022 Notes) [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 3.625% |
Notional amount | $ 750 | 750
Notes payable [Member] | 3.625% notes due 2022 (3.625% 2022 Notes) [Member] | LIBOR [Member] |  |
Debt Instrument [Line Items] |  |
Derivative, effective interest rate | 1.60% |
Notes payable [Member] | 3.625% notes due 2024 (3.625% 2024 Notes) [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 3.625% |
Notional amount | $ 1,400 | 1,400
Notes payable [Member] | 3.625% notes due 2024 (3.625% 2024 Notes) [Member] | LIBOR [Member] |  |
Debt Instrument [Line Items] |  |
Derivative, effective interest rate | 1.40% |
Notes payable [Member] | 3.125% notes due 2025 (3.125% 2025 Notes) [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 3.125% |
Notional amount | $ 1,000 | 1,000
Notes payable [Member] | 3.125% notes due 2025 (3.125% 2025 Notes) [Member] | LIBOR [Member] |  |
Debt Instrument [Line Items] |  |
Derivative, effective interest rate | 0.90% |
Notes payable [Member] | 2.600% notes due 2026 (2.60% 2026 notes) [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 2.60% |
Notional amount | $ 1,250 | 1,250
Notes payable [Member] | 2.600% notes due 2026 (2.60% 2026 notes) [Member] | LIBOR [Member] |  |
Debt Instrument [Line Items] |  |
Derivative, effective interest rate | 0.30% |
Notes payable [Member] | 2.125% 2019 euro Notes [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 2.125% |
Notes payable [Member] | 1.25% notes due 2022 (1.25% 2022 euro Notes) [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 1.25% |
Notes payable [Member] | 0.41% 2023 Swiss franc Bonds [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 0.41% |
Notes payable [Member] | 2.00% 2026 euro Notes [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 2.00% |
Notes payable [Member] | 4.00% 2029 pound sterling Notes [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 4.00% |
Notes payable [Member] | 4.663% 2051 Notes [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 4.663% |
Notional amount | $ 1,500 | $ 0
Notes payable [Member] | 4.663% 2051 Notes [Member] | LIBOR [Member] |  |
Debt Instrument [Line Items] |  |
Derivative, effective interest rate | 0.00% |

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num: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 No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage points added to the reference rate to compute the variable rate on the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeBasisSpreadOnVariableRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | us-gaap_DebtInstrumentAxis=amgn_FivePointFiveZeroPercentPoundSterlingNotesDue2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_DebtInstrumentAxis=amgn_TwoPointTwoZeroPercentNotesDue2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=amgn_ThreePointFourFivePercentNotesDue2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=amgn_FourPointOneZeroPercentNotesDue2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=amgn_ThreePointEightSevenFivePercentNotesDue2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=amgn_ThreePointSixTwoFivePercentNotesDue2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=amgn_ThreePointSixTwoFivePercentNotesDue2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_DebtInstrumentAxis=amgn_TwoPointOneTwoFivePercentEuroNotesDue2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_DebtInstrumentAxis=amgn_FourPercentPoundSterlingNotesDue2029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=amgn_A4.6632051NotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |