Income Taxes - Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Components of Income Tax Benefit (Expense) and Effective Tax Rate Reconciliation:
Federal income taxes	$ (1,379)	$ (1,304)	$ (1,178)
State income taxes	(357)	(369)	(348)
Current income tax expense	(1,736)	(1,673)	(1,526)
Federal income taxes	69	208	(55)
State income taxes	18	(128)	(32)
Deferred income tax benefit (expense)	87	80	(87)
Income tax expense	$ (1,649)	(1,593)	(1,613)
Federal income tax rate (percentage)	21.00%
Statutory federal income taxes	$ (1,575)	(1,439)	(1,567)
Statutory state income taxes, net	(157)	(174)	(257)
Change in uncertain tax positions	(177)	(158)	(163)
Nondeductible expenses	(34)	(34)	(42)
Net income attributable to noncontrolling interest	191	173	195
Excess stock compensation	(21)	1	59
Federal tax credits	56	75	76
Tax rate changes	33	(129)	47
Other	$ 35	$ 92	$ 39

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in unrecognized tax positions.

No definition available.