Capital Stock - Narrative (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended					12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2023	Jan. 31, 2023
Capital Stock [Line Items]
Authorized amount							$ 300
Stock repurchased during period (in shares)	1,800
Stock repurchased during period, average price per share (in usd per share)	$ 28.26
Common stock, dividends, per share, declared (in usd per share)	$ 0.245	$ 0.225	$ 0.225	$ 0.225	$ 0.225	$ 0.900
Total of 3Q19, 1Q20, and 3Q21 Repurchase Programs
Capital Stock [Line Items]
Stock repurchased during period (in shares)	1,770					5,264
Remaining authorized repurchase amount	$ 117