Earnings Per Common Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Net income	$ 315	$ 124	$ 841	$ 424
Preferred stock dividends	12	5	36	14
Net income available to common stockholders, basic	303	119	805	410
Net income available to common shareholders, diluted	$ 303	$ 119	$ 805	$ 410
Weighted average common shares outstanding
Weighted average common shares outstanding, basic (in shares)	15,711,976	9,816,405	15,849,219	9,816,405
Stock-based award (in shares)	16,017	0	18,095	0
Weighted average common shares outstanding, diluted (in shares)	15,727,993	9,816,405	15,867,314	9,816,405
Earnings per common share, basic (in dollars per share)	$ 19.27	$ 12.17	$ 50.76	$ 41.79
Earnings per common share, diluted (in dollars per share)	$ 19.25	$ 12.17	$ 50.70	$ 41.79