XML 87 R110.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Derivative instruments - (Hedged Liabilities and Cumulative Amount) (Details) (Details) - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Derivative [Line Items] |  |
Cumulative amounts of fair value hedging adjustments related to the carrying amounts of the hedged liabilities | $ 296 | $ (53)
Current portion of long-term debt |  |
Derivative [Line Items] |  |
Carrying amounts of hedged liabilities | 903 | 2,396
Cumulative amounts of fair value hedging adjustments related to the carrying amounts of the hedged liabilities | 4 | (3)
Carrying value with discontinued hedging relationships |  | 1,000
Hedging adjustments on discontinued hedging relationships |  | 3
Long-term debt |  |
Derivative [Line Items] |  |
Carrying amounts of hedged liabilities | 8,814 | 9,361
Cumulative amounts of fair value hedging adjustments related to the carrying amounts of the hedged liabilities | 292 | (50)
Carrying value with discontinued hedging relationships | 136 | 137
Hedging adjustments on discontinued hedging relationships | $ 36 | $ 37

X
- Definition Hedged Liability, Discontinued Fair Value Hedge + References No definition available. + Details
Name: | amgn_HedgedLiabilityDiscontinuedFairValueHedge
Namespace Prefix: | amgn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk, remaining after discontinued hedge. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4EE -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109999712-113959 + Details
Name: | us-gaap_HedgedLiabilityDiscontinuedFairValueHedgeCumulativeIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of liability hedged in fair value hedging relationship. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4EE -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109999712-113959 + Details
Name: | us-gaap_HedgedLiabilityFairValueHedge
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4EE -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109999712-113959 + Details
Name: | us-gaap_HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=amgn_LongTermDebtCurrentMaturitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=us-gaap_LongTermDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |