XML 136 R115.htm IDEA: XBRL DOCUMENT v3.20.4

Contingencies and commitments (Immunex and Sandoz Litigation) (Details)	1 Months Ended
	Apr. 30, 2019 affiliate	Feb. 28, 2016 patent affiliate
Immunex/Sandoz
Other Commitments [Line Items]
Gain contingency, number of affiliates		2
Number of patents allegedly infringed | patent		5
Immunex/Samsung Bioepis Co.
Other Commitments [Line Items]
Gain contingency, number of affiliates	2

X

- Definition

Gain Contingency, Number of Affiliates

+ References

No definition available.

+ Details

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

X

- Definition

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

+ References

No definition available.

+ 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_ImmunexAndSandozMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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