Earnings per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions		3 Months Ended			6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023		Jun. 30, 2024		Jun. 30, 2023
Class of Stock [Line Items]
Net income from continuing operations		$ 294	$ 329		$ 451		$ 649
Net income from continuing operations attributable to common stockholders	[1]	266	301		395		593
Loss from discontinued operations, net of tax	[1]	0	0		0		(1)
Net income attributable to common stockholders	[1]	$ 266	$ 301		$ 395		$ 592
Basic weighted-average common shares outstanding (in shares)	[1],[2]	306,774	303,684		306,388		303,173
Diluted weighted-average common shares outstanding (in shares)	[1],[2]	309,886	304,646		309,154		304,050
Basic earnings per common share
Net income from continuing operations (in dollars per share)	[1]	$ 0.87	$ 0.99		$ 1.29		$ 1.96
Net income (in dollars per share)	[1]	0.87	0.99		1.29		1.95
Diluted earnings per common share
Net income from continuing operations (in dollars per share)	[1]	0.86	0.99		1.28		1.95
Net income (in dollars per share)	[1]	$ 0.86	$ 0.99		$ 1.28		$ 1.95
Preferred stock dividends — Series B
Class of Stock [Line Items]
Preferred stock dividends		$ (16)	$ (16)	[1]	$ (32)	[1]	$ (32)
Preferred stock dividends — Series C
Class of Stock [Line Items]
Preferred stock dividends		$ (12)	$ (12)	[1]	$ (24)	[1]	$ (24)

[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.