XML 77 R67.htm IDEA: XBRL DOCUMENT
v3.19.2

Contingencies and commitments (Details) |  |  |  | 2 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | ---
Jul. 24, 2019 patent | Jun. 04, 2019 actions | May 20, 2019 patent | May 31, 2019 actions | Apr. 30, 2019 actions | Jun. 30, 2019 plaintiffs lawsuit
Humira Biosimilar Antitrust Class Actions [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of lawsuits | actions |  | 12 |  | 2 | 10 |
Sensipar Antitrust Class Actions [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of lawsuits | lawsuit |  |  |  |  |  | 4
Number of plaintiffs | plaintiffs |  |  |  |  |  | 1
Patent Trial and Appeal Board Patent Challenges [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of patents allegedly infringed upon |  |  | 1 |  |  |
Subsequent Event [Member] | KANJINTI Patent Litigation [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of patents allegedly infringed upon | 8 |  |  |  |  |

X
- Definition Loss Contingency, Number Of Lawsuits + References No definition available. + Details
Name: | amgn_LossContingencyNumberOfLawsuits
Namespace Prefix: | amgn_
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_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of plaintiffs that have filed claims pertaining to a loss contingency. + References No definition available. + Details
Name: | us-gaap_LossContingencyNumberOfPlaintiffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of another entity's patents that the entity has allegedly infringed. + References No definition available. + Details
Name: | us-gaap_LossContingencyPatentsAllegedlyInfringedNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_LitigationCaseAxis=amgn_HumiraBiosimilarAntitrustClassActionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=amgn_SensiparAntitrustClassActionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=amgn_PatentTrialAndAppealBoardPatentChallengesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=amgn_KANJINTIPatentLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |