XML 46 R37.htm IDEA: XBRL DOCUMENT v3.19.1

Investments (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Debt Securities, Available-for-sale [Line Items]
Amortized cost	$ 25,769	$ 29,064
Gross unrealized gains	10	1
Gross unrealized losses	(127)	(341)
Fair values	25,652	28,724
U.S. Treasury notes [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized cost	2,709	2,710
Gross unrealized gains	0	0
Gross unrealized losses	(27)	(47)
Fair values	2,682	2,663
U.S. Treasury bills [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized cost	3,475	8,191
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Fair values	3,475	8,191
Other government-related debt securities - U.S. [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized cost	112	112
Gross unrealized gains	0	0
Gross unrealized losses	(1)	(2)
Fair values	111	110
Other government-related debt securities - Foreign and other [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized cost	964	972
Gross unrealized gains	4	1
Gross unrealized losses	(10)	(41)
Fair values	958	932
Corporate debt securities - Financial [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized cost	2,771	2,778
Gross unrealized gains	1	0
Gross unrealized losses	(22)	(81)
Fair values	2,750	2,697
Corporate debt securities - Industrial [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized cost	2,481	2,603
Gross unrealized gains	4	0
Gross unrealized losses	(27)	(99)
Fair values	2,458	2,504
Corporate debt securities - Other [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized cost	572	583
Gross unrealized gains	1	0
Gross unrealized losses	(7)	(21)
Fair values	566	562
Residential mortgage-backed securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized cost	1,404	1,458
Gross unrealized gains	0	0
Gross unrealized losses	(22)	(36)
Fair values	1,382	1,422
Other mortgage- and asset-backed securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized cost	478	483
Gross unrealized gains	0	0
Gross unrealized losses	(11)	(14)
Fair values	467	469
Money market mutual funds [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized cost	4,375	5,659
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Fair values	4,375	5,659
Other short-term interest-bearing securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized cost	6,428	3,515
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Fair values	$ 6,428	$ 3,515

X

- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26610-111562

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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_ScheduleOfAvailableForSaleSecuritiesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USTreasuryBillSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_ForeignGovernmentDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=amgn_CorporateDebtSecuritiesFinancialMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=amgn_CorporateDebtSecuritiesIndustrialMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=amgn_CorporateDebtSecuritiesOtherMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_ResidentialMortgageBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=amgn_OtherShortTermInterestBearingSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: