Capital Stock - Additional Information (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended					12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2022
Class of Stock [Line Items]
Authorized amount	$ 900
Stock repurchased during period (in shares)	6,460				1,770
Stock repurchased during period, average price per share (in usd per share)	$ 32.07
Remaining authorized repurchase amount	$ 336
Nondeductible percentage excise tax on net value of stock repurchases							1.00%
Common stock, dividends, per share, declared (in usd per share)	$ 0.255	$ 0.245	$ 0.245	$ 0.245	$ 0.245	$ 0.98