Income Taxes (Income Tax Expense from Continuing Operations) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Current:
U.S. federal	$ 63	$ 60	$ 28
State and local	10	10	4
Total current income taxes	74	70	32
Deferred:
U.S. federal	0	(11)	(7)
State and local	0	(3)	(2)
Total deferred income taxes	0	(13)	(10)
Provision for income taxes	$ 74	$ 57	$ 22