XML 69 R60.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Fair value measurement - Fair Value of Financial Assets and Liabilities on Recurring Basis (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | --- | --- | ---
Assets: |  |  |  |
Available-for-sale securities: | $ 9,237 | $ 10,404 |  |
Equity securities | 3,985 | 4,514 |  |
Derivatives: |  |  |  |
Total assets | 13,447 | 15,063 |  |
Derivatives: |  |  |  |
Contingent consideration obligations | 96 | 96 | $ 273 | $ 270
Total liabilities | 1,168 | 1,188 |  |
Foreign currency forward contracts |  |  |  |
Derivatives: |  |  |  |
Derivative assets | 225 | 145 |  |
Derivatives: |  |  |  |
Derivative liabilities | 43 | 116 |  |
Cross-currency swap contracts |  |  |  |
Derivatives: |  |  |  |
Derivative liabilities | 429 | 405 |  |
Interest rate swap contracts |  |  |  |
Derivatives: |  |  |  |
Interest rate swap contracts | 600 | 571 |  |
Quoted prices in active markets for identical assets (Level 1) |  |  |  |
Assets: |  |  |  |
Equity securities | 3,985 | 4,514 |  |
Derivatives: |  |  |  |
Total assets | 13,084 | 14,780 |  |
Derivatives: |  |  |  |
Contingent consideration obligations | 0 | 0 |  |
Total liabilities | 0 | 0 |  |
Quoted prices in active markets for identical assets (Level 1) | Foreign currency forward contracts |  |  |  |
Derivatives: |  |  |  |
Derivative assets | 0 | 0 |  |
Derivatives: |  |  |  |
Derivative liabilities | 0 | 0 |  |
Quoted prices in active markets for identical assets (Level 1) | Cross-currency swap contracts |  |  |  |
Derivatives: |  |  |  |
Derivative liabilities | 0 | 0 |  |
Quoted prices in active markets for identical assets (Level 1) | Interest rate swap contracts |  |  |  |
Derivatives: |  |  |  |
Interest rate swap contracts | 0 | 0 |  |
Significant other observable inputs (Level 2) |  |  |  |
Assets: |  |  |  |
Equity securities | 0 | 0 |  |
Derivatives: |  |  |  |
Total assets | 363 | 283 |  |
Derivatives: |  |  |  |
Contingent consideration obligations | 0 | 0 |  |
Total liabilities | 1,072 | 1,092 |  |
Significant other observable inputs (Level 2) | Foreign currency forward contracts |  |  |  |
Derivatives: |  |  |  |
Derivative assets | 225 | 145 |  |
Derivatives: |  |  |  |
Derivative liabilities | 43 | 116 |  |
Significant other observable inputs (Level 2) | Cross-currency swap contracts |  |  |  |
Derivatives: |  |  |  |
Derivative liabilities | 429 | 405 |  |
Significant other observable inputs (Level 2) | Interest rate swap contracts |  |  |  |
Derivatives: |  |  |  |
Interest rate swap contracts | 600 | 571 |  |
Significant unobservable inputs (Level 3) |  |  |  |
Assets: |  |  |  |
Equity securities | 0 | 0 |  |
Derivatives: |  |  |  |
Total assets | 0 | 0 |  |
Derivatives: |  |  |  |
Contingent consideration obligations | 96 | 96 |  |
Total liabilities | 96 | 96 |  |
Significant unobservable inputs (Level 3) | Foreign currency forward contracts |  |  |  |
Derivatives: |  |  |  |
Derivative assets | 0 | 0 |  |
Derivatives: |  |  |  |
Derivative liabilities | 0 | 0 |  |
Significant unobservable inputs (Level 3) | Cross-currency swap contracts |  |  |  |
Derivatives: |  |  |  |
Derivative liabilities | 0 | 0 |  |
Significant unobservable inputs (Level 3) | Interest rate swap contracts |  |  |  |
Derivatives: |  |  |  |
Interest rate swap contracts | 0 | 0 |  |
Money market mutual funds |  |  |  |
Assets: |  |  |  |
Available-for-sale securities: | 9,099 | 10,266 |  |
Money market mutual funds | Quoted prices in active markets for identical assets (Level 1) |  |  |  |
Assets: |  |  |  |
Available-for-sale securities: | 9,099 | 10,266 |  |
Money market mutual funds | Significant other observable inputs (Level 2) |  |  |  |
Assets: |  |  |  |
Available-for-sale securities: | 0 | 0 |  |
Money market mutual funds | Significant unobservable inputs (Level 3) |  |  |  |
Assets: |  |  |  |
Available-for-sale securities: | 0 | 0 |  |
Other short-term interest-bearing securities |  |  |  |
Assets: |  |  |  |
Available-for-sale securities: | 138 | 138 |  |
Other short-term interest-bearing securities | Quoted prices in active markets for identical assets (Level 1) |  |  |  |
Assets: |  |  |  |
Available-for-sale securities: | 0 | 0 |  |
Other short-term interest-bearing securities | Significant other observable inputs (Level 2) |  |  |  |
Assets: |  |  |  |
Available-for-sale securities: | 138 | 138 |  |
Other short-term interest-bearing securities | Significant unobservable inputs (Level 3) |  |  |  |
Assets: |  |  |  |
Available-for-sale securities: | $ 0 | $ 0 |  |

X
- Definition Derivative assets. + References No definition available. + Details
Name: | amgn_DerivativeAssetsFairValueDisclosureAbstract
Namespace Prefix: | amgn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Derivative financial instruments liabilities fair value disclosure. + References No definition available. + Details
Name: | amgn_DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosureAbstract
Namespace Prefix: | amgn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AssetsFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aa) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481830/320-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479130/326-30-45-1 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 805 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479581/805-30-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479668/805-30-25-6 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 35 -Paragraph 1 -Subparagraph (b) -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479613/805-30-35-1 + Details
Name: | us-gaap_BusinessCombinationContingentConsiderationLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482736/825-10-45-1A + Details
Name: | us-gaap_EquitySecuritiesFVNINoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps. + References No definition available. + Details
Name: | us-gaap_ForeignCurrencyContractAssetFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into. + References No definition available. + Details
Name: | us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of all derivative liabilities designated as interest rate fair value hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4B + Details
Name: | us-gaap_InterestRateFairValueHedgeLiabilityAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=amgn_CrossCurrencySwapContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=amgn_OtherShortTermInterestBearingSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |