Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event

No definition available.

Name:	amgn_PercentageofPrincipalAmountofNotesthatmaybePaidUponOccurrenceofChangeinControlTriggeringEvent
Namespace Prefix:	amgn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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

- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399

+ Details

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

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

+ Details

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

- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

+ Details

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

Financing arrangements (Principal Amounts and Carrying Value of Long-term Borrowings) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Feb. 29, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Unamortized bond discounts and issuance costs	$ (1,011)			$ (210)
Total carrying value of debt	33,222			31,429
Less current portion	(5,294)			(2,247)
Total noncurrent debt	27,928			29,182
Notes [Member] \| 2.30% notes due 2016 (2.30% 2016 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 0			$ 750
Interest rate, stated percentage	2.30%			2.30%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 2.50% notes due 2016 (2.50% 2016 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 1,000			$ 1,000
Interest rate, stated percentage	2.50%			2.50%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 2.125% notes due 2017 (2.125% 2017 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 1,250			$ 1,250
Interest rate, stated percentage	2.125%			2.125%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| Floating Rate Notes due 2017 [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 600			$ 600
Notes [Member] \| 1.25% notes due 2017 (1.25% 2017 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 850			$ 850
Interest rate, stated percentage	1.25%			1.25%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 5.85% notes due 2017 (5.85% 2017 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 1,100			$ 1,100
Interest rate, stated percentage	5.85%			5.85%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 6.15% notes due 2018 (6.15% 2018 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 500			$ 500
Interest rate, stated percentage	6.15%			6.15%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 4.375% euro-denominated notes due 2018 (4.375% 2018 euro Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 606			$ 599
Interest rate, stated percentage	4.375%			4.375%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 5.70% notes due 2019 (5.70% 2019 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 1,000			$ 1,000
Interest rate, stated percentage	5.70%			5.70%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| Floating Rate Notes due 2019 [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 250			$ 250
Notes [Member] \| 2.20% notes due 2019 (2.20% 2019 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 1,400			$ 1,400
Interest rate, stated percentage	2.20%			2.20%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 2.125% euro-denominated notes due 2019 (2.125% 2019 euro Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 750			$ 733
Interest rate, stated percentage	2.125%			2.125%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 4.50% notes due 2020 (4.50% 2020 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 300			$ 300
Interest rate, stated percentage	4.50%			4.50%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 2.125% notes due 2020 (2.125% 2020 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 750			$ 750
Interest rate, stated percentage	2.125%			2.125%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 3.45% notes due 2020 (3.45% 2020 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 900			$ 900
Interest rate, stated percentage	3.45%			3.45%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 4.10% notes due 2021 (4.10% 2021 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 1,000			$ 1,000
Interest rate, stated percentage	4.10%			4.10%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 3.875% notes due 2021 (3.875% 2021 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 1,750			$ 1,750
Interest rate, stated percentage	3.875%			3.875%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 1.25% euro-denominated notes due 2022 (1.25% 2022 euro Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 1,388
Interest rate, stated percentage	1.25%		1.25%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 2.70% notes due 2022 (2.70% 2022 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 500			$ 500
Interest rate, stated percentage	2.70%			2.70%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 3.625% notes due 2022 (3.625% 2022 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 750			$ 750
Interest rate, stated percentage	3.625%			3.625%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 3.625% notes due 2024 (3.625% 2024 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 1,400			$ 1,400
Interest rate, stated percentage	3.625%			3.625%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 3.125% notes due 2025 (3.125% 2025 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 1,000			$ 1,000
Interest rate, stated percentage	3.125%			3.125%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 2.00% euro-denominated notes due 2026 (2.00% 2026 euro Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 833
Interest rate, stated percentage	2.00%		2.00%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 5.50% pound-sterling denominated notes due 2026 (5.50% 2026 pound sterling Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 633			$ 700
Interest rate, stated percentage	5.50%			5.50%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 4.00% pound-sterling denominated notes due 2029 (4.00% 2029 pound sterling Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 932			$ 1,032
Interest rate, stated percentage	4.00%			4.00%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 6.375% notes due 2037 (6.375% 2037 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 552			$ 900
Interest rate, stated percentage	6.375%			6.375%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 6.90% notes due 2038 (6.90% 2038 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 291			$ 500
Interest rate, stated percentage	6.90%			6.90%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 6.40% notes due 2039 (6.40% 2039 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 466			$ 1,000
Interest rate, stated percentage	6.40%			6.40%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 5.75% notes due 2040 (5.75% 2040 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 412			$ 700
Interest rate, stated percentage	5.75%			5.75%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 4.95% notes due 2041 (4.95% 2041 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 600			$ 600
Interest rate, stated percentage	4.95%			4.95%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 5.15% notes due 2041 (5.15% 2041 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 974			$ 2,250
Interest rate, stated percentage	5.15%			5.15%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 5.65% notes due 2042 (5.65% 2042 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 487			$ 1,250
Interest rate, stated percentage	5.65%			5.65%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 5.375% notes due 2043 (5.375% 2043 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 261			$ 1,000
Interest rate, stated percentage	5.375%			5.375%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 4.40% notes due 2045 (4.40% 2045 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 1,250			$ 1,250
Interest rate, stated percentage	4.40%			4.40%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 4.563% notes due 2048 (4.563% 2048 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 1,415
Interest rate, stated percentage	4.563%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Notes [Member] \| 4.663% notes due 2051 (4.663% 2051 Notes) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 3,541
Interest rate, stated percentage	4.663%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Term Loan [Member] \| Term Loan due 2018 [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 1,725			$ 1,975
Bonds [Member] \| 0.41% Swiss-franc-denominated bonds due 2023 (0.41% 2023 Swiss franc Bonds) [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 717
Interest rate, stated percentage	0.41%	0.41%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event	101.00%
Other Notes [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 100			$ 100