XML 61 R51.htm IDEA: XBRL DOCUMENT
v3.21.2

Financing arrangements (Details Textual) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 USD ($) | Sep. 30, 2021 USD ($)
Notes [Member] |  |
Debt Instrument [Line Items] |  |
Face amount | $ 5,000 | $ 5,000
Notes [Member] | 4.563% notes due 2048 (4.563% 2048 Notes) [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 4.563% | 4.563%
Effective interest rate | 6.30% | 6.30%
Notes [Member] | 4.663% notes due 2051 (4.663% 2051 Notes) [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 4.663% | 4.663%
Effective interest rate | 5.60% | 5.60%
Notes [Member] | Two Point Seven Seven Percent Notes Due Two Zero Five Three |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 2.77% | 2.77%
Effective interest rate | 5.20% | 5.20%
Notes [Member] | 1.65% notes due 2028 (1.65% 2028 Notes) [Member} |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 1.65% | 1.65%
Face amount | $ 1,250 | $ 1,250
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |
Notes [Member] | 2.00% notes due 2032 (2.00% 2032 Notes) [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 2.00% | 2.00%
Face amount | $ 1,250 | $ 1,250
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |
Notes [Member] | 2.80% notes due 2041 (2.80% 2041 Notes) [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 2.80% | 2.80%
Face amount | $ 1,150 | $ 1,150
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |
Notes [Member] | 3.00% notes due 2052 (3.00% 2052 Notes) |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 3.00% | 3.00%
Face amount | $ 1,350 | $ 1,350
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |
Minimum [Member] | Debt Securities Payable [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Redemption Period without Payment of Make Whole Amount |  | 2 months
Maximum [Member] | Debt Securities Payable [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Redemption Period without Payment of Make Whole Amount |  | 6 months

X
- Definition Debt Instrument, Redemption Period without Payment of Make Whole Amount + References No definition available. + Details
Name: | amgn_DebtInstrumentRedemptionPeriodWithoutPaymentOfMakeWholeAmount
Namespace Prefix: | amgn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event + References No definition available. + Details
Name: | amgn_PercentageofPrincipalAmountofNotesthatmaybePaidUponOccurrenceofChangeinControlTriggeringEvent
Namespace Prefix: | amgn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 4: 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=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
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 -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: 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=120391452&loc=d3e13212-122682 + 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 No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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

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

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

X
- Details
Name: | us-gaap_DebtInstrumentAxis=amgn_OnePointSixFivePercent2028NotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=amgn_TwoPointZeroPercent2032NotesMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=amgn_TwoPointEightZeroPercent2041NotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=amgn_A300NotesDue20523002052NotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |