Earnings Per Common Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share [Abstract]
Net income	$ 1,098	$ 547	$ 492
Preferred stock dividends	50	18	14
Net income available to common stockholders, basic	1,048	529	478
Net income available to common shareholders, diluted	$ 1,048	$ 529	$ 478
Weighted average common shares outstanding
Weighted average common shares outstanding, basic (in shares)	15,531,924	9,816,405	10,056,654
Stock-based award (in shares)	18,020	0	0
Weighted average common shares outstanding, diluted (in shares)	15,549,944	9,816,405	10,056,654
Earnings per common share, basic (in dollars per share)	$ 67.47	$ 53.88	$ 47.50
Earnings per common share, diluted (in dollars per share)	$ 67.40	$ 53.88	$ 47.50