Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Net income, basic	$ 70	$ 883	$ 1,850	$ 1,356
Net income, diluted	$ 70	$ 883	$ 1,850	$ 1,356
Weighted average common shares outstanding, basic (in shares)	132,153	121,150	133,460	122,924
Effect of potentially dilutive securities
Warrants (in shares)	9,841	22,794	9,639	21,692
Restricted stock units (in shares)	306	396	316	368
Performance share units (in shares)	48	50	48	47
Weighted average common shares outstanding, diluted (in shares)	142,348	144,390	143,463	145,031
Basic (in dollars per share)	$ 0.53	$ 7.29	$ 13.86	$ 11.03
Diluted (in dollars per share)	$ 0.49	$ 6.12	$ 12.90	$ 9.35