Earnings per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions		3 Months Ended								12 Months Ended
		Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024		Dec. 31, 2023		Dec. 31, 2022
Class of Stock [Line Items]
Net income from continuing operations										$ 669		$ 959		$ 1,715	[1]
Net income from continuing operations attributable to common shareholders	[1]									559		849		1,605
Loss from discontinued operations, net of tax	[1]									(1)		(2)		(1)
Net income attributable to common shareholders	[1]									$ 558		$ 847		$ 1,604
Basic weighted-average common shares outstanding (in shares)	[1],[2]									306,913		303,751		316,690
Diluted weighted-average common shares outstanding (in shares)	[1],[2]									310,160		305,135		318,629
Basic earnings per common share
Net income from continuing operations (in dollars per share)	[1]									$ 1.82		$ 2.79		$ 5.07
Loss from discontinued operations, net of tax (in dollars per share)	[1]									0		(0.01)		0
Net income (in dollars per share)		$ 0.26	$ 0.55	$ 0.63	$ 0.38	$ 0.11	$ 0.85	$ 0.93	$ 0.90	1.82	[1]	2.79	[1]	5.06	[1]
Diluted earnings per common share
Net income from continuing operations (in dollars per share)	[1]									1.80		2.78		5.04
Loss from discontinued operations, net of tax (in dollars per share)	[1]									0		(0.01)		0
Net income (in dollars per share)		$ 0.26	$ 0.55	$ 0.62	$ 0.37	$ 0.11	$ 0.84	$ 0.93	$ 0.89	$ 1.80	[1]	$ 2.77	[1]	$ 5.03	[1]
Preferred stock dividends — Series B
Class of Stock [Line Items]
Preferred stock dividends										$ (63)	[1]	$ (63)		$ (63)	[1]
Preferred stock dividends — Series C
Class of Stock [Line Items]
Preferred stock dividends										$ (47)	[1]	$ (47)		$ (47)	[1]

[1] Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.

[2] Includes shares related to share-based compensation that vested but were not yet issued.