XML 144 R125.htm IDEA: XBRL DOCUMENT v3.10.0.1

Major customers (Customer Concentration, Product Sales) (Details) - Product sales [Member] - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenue, Major Customer [Line Items]
Product sales	$ 6,001	$ 5,510	$ 5,679	$ 5,343	$ 5,569	$ 5,453	$ 5,574	$ 5,199	$ 22,533	$ 21,795	$ 21,892
AmerisourceBergen Corporation [Member]
Revenue, Major Customer [Line Items]
Product sales									$ 12,091	$ 10,742	$ 10,100
Gross product sales to major customer (as defined) as a percentage of total gross revenues									33.00%	31.00%	31.00%
Gross product sales to major customer (as defined) as a percentage of U.S. gross product sales									39.00%	37.00%	38.00%
McKesson Corporation [Member]
Revenue, Major Customer [Line Items]
Product sales									$ 11,434	$ 10,625	$ 9,710
Gross product sales to major customer (as defined) as a percentage of total gross revenues									31.00%	30.00%	30.00%
Gross product sales to major customer (as defined) as a percentage of U.S. gross product sales									35.00%	35.00%	34.00%
Cardinal Health, Inc. [Member]
Revenue, Major Customer [Line Items]
Product sales									$ 7,475	$ 7,049	$ 6,520
Gross product sales to major customer (as defined) as a percentage of total gross revenues									20.00%	20.00%	20.00%
Gross product sales to major customer (as defined) as a percentage of U.S. gross product sales									24.00%	24.00%	24.00%

X

- Definition

Gross product sales to major customer (as defined) as a percentage of U.S. gross product sales.

+ References

No definition available.

+ Details

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

X

- Definition

Gross product sales to major customer (as defined) as a percentage of total gross revenues.

+ References

No definition available.

+ Details

Name:	amgn_PercentageOfGrossRevenues
Namespace Prefix:	amgn_
Data Type:	num:percentItemType
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_EntityWideRevenueMajorCustomerLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	srt_ProductOrServiceAxis=us-gaap_ProductMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_MajorCustomersAxis=amgn_CustomerOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_MajorCustomersAxis=amgn_CustomerTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_MajorCustomersAxis=amgn_CustomerThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: