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EARNINGS (LOSS) PER SHARE
 6 Months Ended
Jun. 30, 2024
Earnings Per Share [Abstract]  
EARNINGS (LOSS) PER SHARE EARNINGS (LOSS) PER SHARE
The following table shows the calculation of Basic and Diluted earnings (loss) per share attributable to Gilead:
 Three Months EndedSix Months Ended
June 30,June 30,
(in millions, except per share amounts)2024202320242023
Net income (loss) attributable to Gilead$1,614 $1,045 $(2,556)$2,055 
Shares used in basic earnings (loss) per share attributable to Gilead calculation1,247 1,249 1,247 1,249 
Dilutive effect of stock options and equivalents4 9 — 11 
Shares used in diluted earnings (loss) per share attributable to Gilead calculation1,251 1,258 1,247 1,260 
Basic earnings (loss) per share attributable to Gilead$1.29 $0.84 $(2.05)$1.65 
Diluted earnings (loss) per share attributable to Gilead$1.29 $0.83 $(2.05)$1.63 
Potential shares of common stock excluded from the computation of Diluted earnings (loss) per share attributable to Gilead because their effect would have been antidilutive were 22 million and 19 million for the three and six months ended June 30, 2024, respectively, and 5 million and 3 million for the three and six months ended June 30, 2023, respectively.