Stock-Based Compensation Plans - Summary of Weighted Average Fair Value (Details) - Performance Shares - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value (per share)	$ 41.82	$ 43.05	$ 43.37
Total fair value of performance shares vested	$ 17	$ 29	$ 44
Total fair value of performance shares settled in cash	26	$ 25	$ 28
Unrecognized compensation costs	$ 11
Period for recognition	1 year 9 months 18 days