EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Summary of Earnings Per Share, Basic and Diluted

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

	Year Ended December 31,
(in millions, except per share amounts)	2023		2022		2021
Net income attributable to Gilead	$	5,665	$	4,592	$	6,225
Shares used in basic earnings per share attributable to Gilead calculation	1,248		1,255		1,256
Dilutive effect of stock options and equivalents	10		7		6
Shares used in diluted earnings per share attributable to Gilead calculation	1,258		1,262		1,262
Basic earnings per share attributable to Gilead	4.54		3.66		4.96
Diluted earnings per share attributable to Gilead	4.50		3.64		4.93