Income/(Loss) Per Share - Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Basic income/(loss) per share:
Net income/(loss)	$ 511	$ (1,335)
Less: Cumulative dividends attributable to Series A Preferred Stock	17	4
Net Income/(Loss) Available to Common Stockholders, basic	$ 494	$ (1,339)
Weighted average number of common shares outstanding — basic (in shares)	209,000,000	230,000,000
Income/(loss) per weighted average common share — basic (in usd per share)	$ 2.36	$ (5.82)
Diluted income/(loss) per share:
Net income/(loss)	$ 511	$ (1,335)
Less: Cumulative dividends attributable to Series A Preferred Stock	17	4
Net Income/(Loss) Available to Common Stockholders, diluted	$ 494	$ (1,339)
Weighted average number of common shares outstanding — basic (in shares)	209,000,000	230,000,000
Incremental shares attributable to the issuance of equity compensation (treasury stock method) (in shares)	2,000,000	0
Incremental shares attributable to the potential share settlements of the Convertible Senior Notes (if converted method) (in shares)	3,000,000	0
Weighted average number of common shares outstanding — diluted (in shares)	214,000,000	230,000,000
Income/(loss) per weighted average common share — diluted (in usd per share)	$ 2.31	$ (5.82)