Capital Stock - Narrative (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Feb. 28, 2023	Feb. 28, 2022	Oct. 31, 2021
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Common stock, issued (in shares)		735,000,000	735,000,000	751,000,000
Cash dividends, per share (in dollars per share)		$ 0.21	$ 0.84	$ 1.17	$ 2.49
Repurchase program authorized amount						$ 2,000,000,000	$ 1,250,000,000
Stock repurchased and retired during period (in shares)			17,000,000	17,000,000
Stock repurchased and retired during period			$ 464,000,000	$ 418,000,000
Stock repurchase program, remaining authorized repurchase amount		$ 1,100,000,000	$ 1,100,000,000
Shares withheld and retired for taxes (in shares)			351,791	332,634	320,236
Value of shares withheld for taxes			$ 8,000,000	$ 9,000,000	$ 9,000,000
Redeemable preferred stock outstanding (in shares)		4,265	4,265
Redeemable preferred stock		$ 8,000,000	$ 8,000,000	$ 8,000,000
Subsequent Event
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Cash dividends, per share (in dollars per share)	$ 0.22
Redeemable Preferred Stock
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Preferred stock, par value (in dollars per share)								$ 0.01