Provision (Benefit) for Income Taxes Tax Provison (Benefit) Table (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Current :
Federal	$ 125	$ 3	$ (25)
State	9	21	19
Total	134	24	(6)
Deferred:
Federal	472	872	424
State	34	109	7
Total	506	981	431
Less: Provision (benefit) for income taxes	$ 640	$ 1,005	$ 425