Capital Stock - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions	1 Months Ended	3 Months Ended		12 Months Ended
	Feb. 27, 2023	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Feb. 28, 2023
Equity [Abstract]
Cash dividends, per share (in dollars per share)	$ 0.20	$ 0.57	$ 0.56	$ 0.15
Stock repurchase program, authorized amount					$ 2,000,000,000
Share repurchases and retirements (in shares)		11
Share repurchases and retirements		$ 268,000,000
Stock repurchased during period (in shares)		11	8
Share repurchases		$ 271,000,000	$ 192,000,000
Stock repurchase program		$ 1,700,000,000