XML 99 R40.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Other Financial Information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Other Financial Information [Abstract] |
Schedule of Other Accrued Liabilities |
|  | December 31,
|  | 2019 |  | 2018
Compensation and employee benefits |  | $ | 599 |  |  | $ | 555 |
Income taxes payable |  | 287 |  |  | 190 |
Accrued payment for marketing-related rights acquired from Japan Tobacco Inc. |  | — |  |  | 365 |
Other accrued expenses |  | 2,188 |  |  | 2,029 |
Total |  | $ | 3,074 |  |  | $ | 3,139 |

X
- Definition Other Financial Information + References No definition available. + Details
Name: | gild_OtherFinancialInformationAbstract
Namespace Prefix: | gild_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of other current liabilities. + References No definition available. + Details
Name: | us-gaap_OtherCurrentLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration