Condensed Consolidated Statement of Changes in Equity (unaudited) - USD ($) $ in Millions	Total	Adjustments	[1]	As Adjusted	Preferred stock dividends — Series B	Preferred stock dividends — Series C	Common stock and paid-in capital	Common stock and paid-in capital As Adjusted	Preferred stock	Preferred stock As Adjusted	Retained earnings (accumulated deficit)	Retained earnings (accumulated deficit) Adjustments	[1]	Retained earnings (accumulated deficit) As Adjusted	Retained earnings (accumulated deficit) Preferred stock dividends — Series B	Retained earnings (accumulated deficit) Preferred stock dividends — Series C	Accumulated other comprehensive loss	Accumulated other comprehensive loss As Adjusted	Treasury stock	Treasury stock As Adjusted
Beginning balance at Dec. 31, 2023	$ 13,703	$ (2)		$ 13,701			$ 21,975	$ 21,975	$ 2,324	$ 2,324	$ 91	$ (2)		$ 89			$ (3,816)	$ (3,816)	$ (6,871)	$ (6,871)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	143										143
Preferred stock dividends					$ (16)	$ (12)									$ (16)	$ (12)
Share-based compensation	59						59
Other comprehensive income (loss)	(173)																(173)
Common stock repurchases	(29)																		(29)
Common stock dividends	(93)										(93)
Ending balance at Mar. 31, 2024	13,580						22,034		2,324		111						(3,989)		(6,900)
Beginning balance at Dec. 31, 2024	13,903						22,142		2,324		270						(3,924)		(6,909)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(225)										(225)
Preferred stock dividends					$ (16)	$ (12)									$ (16)	$ (12)
Share-based compensation	49						49
Other comprehensive income (loss)	662																662
Common stock repurchases	(34)																		(34)
Common stock dividends	(95)										(95)
Ending balance at Mar. 31, 2025	$ 14,232						$ 22,191		$ 2,324		$ (78)						$ (3,262)		$ (6,943)

[1] Refer to the section titled Recently Adopted Accounting Standards in Note 1 to the Consolidated Financial Statements in our 2024 Annual Report on Form 10-K for additional information.