Earnings Per Common Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Net income	$ 255	$ 153	$ 526	$ 300
Preferred stock dividends	17	5	24	9
Net income available to common stockholders, basic	238	148	502	291
Net income available to common shareholders, diluted	$ 238	$ 148	$ 502	$ 291
Weighted average common shares outstanding, basic (in shares)	16,023,613	9,816,405	15,918,978	9,816,405
Stock-based award (in shares)	11,477	0	18,848	0
Weighted average common shares outstanding, diluted (in shares)	16,035,090	9,816,405	15,937,826	9,816,405
Earnings per common share, basic (in dollars per share)	$ 14.87	$ 15.09	$ 31.52	$ 29.63
Earnings per common share, diluted (in dollars per share)	$ 14.86	$ 15.09	$ 31.48	$ 29.63