XML 139 R120.htm IDEA: XBRL DOCUMENT v3.22.4

Contingencies and commitments (Repatha Patent Litigation) (Details) - Sanofi/Regeneron Patent Litigation - Pending Litigation - patent	1 Months Ended
	Mar. 31, 2018	Feb. 28, 2016	Oct. 31, 2014
Other Commitments [Line Items]
Number of patents allegedly infringed			7
Length of trial		5 days
Number of challenges	2	2

X

- Definition

Gain Contingency, Number Of Challenges

+ References

No definition available.

+ Details

Name:	amgn_GainContingencyNumberOfChallenges
Namespace Prefix:	amgn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Litigation Settlement, Length of Trial

+ References

No definition available.

+ Details

Name:	amgn_LitigationSettlementLengthofTrial
Namespace Prefix:	amgn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of entity's patents that another entity has allegedly infringed.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 30
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6397426&loc=d3e17499-108355

+ Details

Name:	us-gaap_GainContingencyPatentsAllegedlyInfringedUponNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

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

X

- Details

Name:	srt_LitigationCaseAxis=amgn_SanofiRegeneronPatentLitigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: