Earnings Per Share - Reconciliation of Information Used to Compute Basic and Diluted EPS (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share [Abstract]
Net income from continuing operations	$ 469	$ 258	$ 211
Less: preferred stock dividends declared	2	2	2
Net income from continuing operations attributable to common shareholders	467	256	209
Income from discontinued operations	0	0	50
Net income attributable to common shareholders - basic	467	256	259
Net income attributable to common shareholders - diluted	$ 467	$ 256	$ 259
Average shares outstanding - basic (in shares)	416	430	435
Effect of dilutive securities:
Stock and performance awards (in shares)	5	5	4
Average shares outstanding - diluted (in shares)	421	435	439