XML 51 R29.htm IDEA: XBRL DOCUMENT
v3.22.0.1

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
--- | ---
Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts | SCHEDULE II AMGEN INC. VALUATION AND QUALIFYING ACCOUNTS Years ended December 31, 2021, 2020 and 2019 (In millions)
Allowance for doubtful accounts |  | Balance at beginning of period |  | Additions charged to costs and expenses |  | Other additions |  | Deductions |  | Balance at end of period
Year ended December 31, 2021 |  | $ | 32 |  |  | $ | — |  |  | $ | — |  |  | $ | (6) |  |  | $ | 26 |
Year ended December 31, 2020 |  | $ | 26 |  |  | $ | 8 |  |  | $ | — |  |  | $ | (2) |  |  | $ | 32 |
Year ended December 31, 2019 |  | $ | 48 |  |  | $ | — |  |  | $ | — |  |  | $ | (22) |  |  | $ | 26 |

X
- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock
Namespace Prefix: | srt_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | srt_ValuationAndQualifyingAccountsAbstract
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration