XML 77 R64.htm IDEA: XBRL DOCUMENT v3.22.2
NET INCOME PER SHARE ATTRIBUTABLE TO GILEAD COMMON STOCKHOLDERS - Schedule of the Calculation of Basic and Diluted EPS (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Earnings Per Share [Abstract]        
Net income attributable to Gilead $ 1,144 $ 1,522 $ 1,163 $ 3,251
Shares used in per share calculation - basic (in shares) 1,256 1,255 1,255 1,256
Dilutive effect of stock options and equivalents (in shares) 4 5 5 5
Shares used in per share calculation - diluted (in shares) 1,260 1,260 1,261 1,261
Net income per share attributable to Gilead common stockholders - basic (in dollars per share) $ 0.91 $ 1.21 $ 0.93 $ 2.59
Net income per share attributable to Gilead common stockholders - diluted (in dollars per share) $ 0.91 $ 1.21 $ 0.92 $ 2.58