XML 63 R34.htm IDEA: XBRL DOCUMENT
v3.19.3

Net Income (Loss) Per Share Attributable to Gilead Common Stockholders (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2019
Earnings Per Share [Abstract] |
Schedule of the Calculation of Basic and Diluted Earnings Per Share | The following table summarizes the calculation of basic and diluted net income (loss) per share attributable to Gilead common stockholders (in millions, except per share amounts):
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Net income (loss) attributable to Gilead |  | $ | (1,165 | ) |  | $ | 2,097 |  |  | $ | 2,690 |  |  | $ | 5,452 |
Shares used in per share calculation - basic |  | 1,267 |  |  | 1,296 |  |  | 1,271 |  |  | 1,302 |
Dilutive effect of stock options and equivalents |  | — |  |  | 11 |  |  | 7 |  |  | 11 |
Shares used in per share calculation - diluted |  | 1,267 |  |  | 1,307 |  |  | 1,278 |  |  | 1,313 |
Net income (loss) per share attributable to Gilead common stockholders - basic |  | $ | (0.92 | ) |  | $ | 1.62 |  |  | $ | 2.12 |  |  | $ | 4.19 |
Net income (loss) per share attributable to Gilead common stockholders - diluted |  | $ | (0.92 | ) |  | $ | 1.60 |  |  | $ | 2.10 |  |  | $ | 4.15 |

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