Earnings Per Share - Computation of Basic and Diluted Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share [Abstract]
Net income	$ 37	$ 658
Earnings Per Share, Basic [Abstract]
Basic	$ 0.54	$ 8.91
Diluted	$ 0.52	$ 8.59
Weighted average shares of common stock outstanding (in thousands):
Basic	69,008	73,864
Dilutive effect of stock awards	1,471	2,704
Diluted	70,479	76,568