EARNINGS PER SHARE (Tables)

3 Months Ended

Mar. 31, 2023

Earnings Per Share [Abstract]

Summary of the Calculation of Basic and Diluted Earnings Per Share

The following table shows the calculation of basic and diluted earnings per share attributable to Gilead:

	Three Months Ended
	March 31,
(in millions, except per share amounts)	2023		2022
Net income attributable to Gilead	$	1,010	$	19
Shares used in basic earnings per share attributable to Gilead calculation	1,248		1,255
Dilutive effect of stock options and equivalents	13		6
Shares used in diluted earnings per share attributable to Gilead calculation	1,261		1,262
Basic earnings per share attributable to Gilead	$	0.81	$	0.02
Diluted earnings per share attributable to Gilead	$	0.80	$	0.02