Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Net income available to common stockholders, basic	$ 391	$ 1,237	$ 1,780	$ 473
Net income available to common stockholders, diluted	$ 391	$ 1,237	$ 1,780	$ 473
Weighted average common shares outstanding, basic (in shares)	133,514	126,814	134,125	123,826
Effect of potentially dilutive securities
Warrants (in shares)	9,497	22,322	9,529	21,295
Restricted stock units (in shares)	208	349	306	368
Performance share units (in shares)	48	47	47	45
Weighted average common shares outstanding, diluted (in shares)	143,267	149,532	144,007	145,534
Basic (in dollars per share)	$ 2.93	$ 9.75	$ 13.27	$ 3.82
Diluted (in dollars per share)	$ 2.73	$ 8.27	$ 12.36	$ 3.25