Provision (Benefit) for Income Taxes Reconciliations to Recorded Tax Provision (Benefit) Table (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Effective Income Tax Rate Reconciliation [Abstract]
Provision (benefit) at statutory rate	$ 627	$ 925	$ 534
Increases (decreases) in taxes resulting from:
State income taxes (net of federal benefit)	79	129	113
State deferred income tax rate change	(44)	(25)	(92)
Federal valuation allowance	0	0	(70)
Federal settlements	0	0	(45)
Impact of nontaxable noncontrolling interests	(25)	(26)	(14)
Other – net	3	2	(1)
Less: Provision (benefit) for income taxes	$ 640	$ 1,005	$ 425