Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share [Abstract]
Shareholders' net income	$ (277)	$ 1,267
Shares:
Weighted average (in shares)	286,465	295,706
Common stock equivalents (in shares)	0	3,293
Total shares (in shares)	286,465	298,999
EPS, basic (in dollars per share)	$ (0.97)	$ 4.28
EPS, effect of dilution (in dollars per share)	0	(0.04)
EPS, diluted (in dollars per share)	$ (0.97)	$ 4.24