Income Tax Expense(Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Current:
Federal	$ 1,052	$ 1,193	$ 1,468
State	202	235	284
Total current	1,254	1,428	1,752
Deferred:
Federal	299	174	88
State	64	(75)	(78)
Total deferred	363	99	10
Total	$ 1,617	$ 1,527	$ 1,762