Earnings per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Class of Stock [Line Items]
Net income from continuing operations		$ 352	$ 219	$ 127	$ 362
Net income from continuing operations attributable to common shareholders	[1]	324	191	71	306
Net income attributable to common shareholders	[1]	$ 324	$ 191	$ 71	$ 306
Basic weighted-average common shares outstanding (in shares)	[1],[2]	309,895	306,774	309,453	306,388
Diluted weighted-average common shares outstanding (in shares)	[1],[2]	312,434	309,886	312,033	309,154
Basic earnings per common share
Net income from continuing operations (in dollars per share)	[1]	$ 1.05	$ 0.63	$ 0.23	$ 1.00
Net income (in dollars per share)	[1]	1.05	0.63	0.23	1.00
Diluted earnings per common share
Net income from continuing operations (in dollars per share)	[1]	1.04	0.62	0.23	0.99
Net income (in dollars per share)	[1]	$ 1.04	$ 0.62	$ 0.23	$ 0.99
Preferred stock dividends — Series B
Class of Stock [Line Items]
Preferred stock dividends		$ (16)	$ (16)	$ (32)	$ (32)
Preferred stock dividends — Series C
Class of Stock [Line Items]
Preferred stock dividends		$ (12)	$ (12)	$ (24)	$ (24)

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

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