XML 115 R45.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Net Income Per Share Attributable to Gilead Common Shareholders (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table shows the calculation of basic and diluted net income per share attributable to Gilead common stockholders (in millions, except per share amounts):
|  | Year Ended December 31,
|  | 2019 |  | 2018 |  | 2017
Net income attributable to Gilead |  | $ | 5,386 |  |  | $ | 5,455 |  |  | $ | 4,628 |
Shares used in per share calculation - basic |  | 1,270 |  |  | 1,298 |  |  | 1,307 |
Dilutive effect of stock options and equivalents |  | 7 |  |  | 10 |  |  | 12 |
Shares used in per share calculation - diluted |  | 1,277 |  |  | 1,308 |  |  | 1,319 |
Net income per share attributable to Gilead common stockholders - basic |  | $ | 4.24 |  |  | $ | 4.20 |  |  | $ | 3.54 |
Net income per share attributable to Gilead common stockholders - diluted |  | $ | 4.22 |  |  | $ | 4.17 |  |  | $ | 3.51 |

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

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration