Capital Actions - Redemption of Preferred Stock (Details) - USD ($) shares in Thousands, $ in Millions		3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Capital Unit [Line Items]
Dividends on preferred stock		$ 41	$ 41	$ 114	$ 121
Series L Preferred Stock
Capital Unit [Line Items]
Preferred stock repurchased (in shares)	14
Preferred stock, dividend rate	4.50%
Dividends on preferred stock		$ 4
Preferred stock, basis spread on variable rate (as a percent)	4.215%