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v3.22.2

Contingencies and commitments (Details) | May 27, 2022 argument
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Loss Contingencies [Line Items] |
Litigation Settlement, Number Of Primary Arguments | 2

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- Definition Litigation Settlement, Number Of Primary Arguments + References No definition available. + Details
Name: | amgn_LitigationSettlementNumberOfPrimaryArguments
Namespace Prefix: | amgn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- 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_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration