Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Schedule of Provision for Income Taxes

The provision for income taxes consists of the following (in millions):

	Year Ended December 31,
	2023			2022			2021
Current:
Federal	$	149		$	—		$	(46	)
State		7			5			6
		156			5			(40	)
Deferred:
Federal		(5	)		166			161
State		40			(1	)		10
		35			165			171
Total provision for income taxes for income	$	191		$	170		$	131

Schedule of Reconciliation between the Statutory Federal Income Tax Rate and the Effective Tax Rate

The following table reconciles the differences between the statutory federal income tax rate and the effective tax rate (dollars in millions):

	Year Ended December 31,
	2023						2022						2021
	Amount			%			Amount			%			Amount			%
Provision for income taxes at statutory   federal rate	$	44			21.0	%	$	73			21.0	%	$	105			21.0	%
State income taxes, net of federal income tax benefit		37			17.9			3			0.8			44			8.7
Net income attributable to noncontrolling interests		(31	)		(14.9	)		(28	)		(8.0	)		(29	)		(5.8	)
Change in valuation allowance		88			42.5			122			34.9			33			6.8
Change in uncertain tax position		10			4.9			—			—			—			—
Nondeductible goodwill		29			14.1			—			—			—			—
Amended return adjustments		9			4.3			—			—			(22	)		(4.4	)
Other		5			2.5			—			—			—			—
Provision for income taxes and   effective tax rate for income	$	191			92.3	%	$	170			48.7	%	$	131			26.3	%

Schedule of Components of Deferred Income Taxes

Deferred income taxes are based on the estimated future tax effects of differences between the financial statement and tax bases of assets and liabilities under the provisions of the enacted tax laws. Deferred income taxes as of December 31, 2023 and 2022 consist of (in millions):

	December 31,
	2023					2022
	Assets			Liabilities		Assets			Liabilities
Net operating loss and credit carryforwards	$	533		$	—	$	553		$	—
Property and equipment		—			326		—			323
Self-insurance liabilities		16			—		30			—
Prepaid expenses		—			30		—			31
Intangibles		—			163		—			148
Investments in unconsolidated affiliates		—			72		—			58
Other liabilities		—			7		—			9
Long-term debt and interest		32			—		41			—
Accounts receivable		16			—		16			—
IRC Section 163(j) interest limitation		582			—		448			—
Accrued vacation		19			—		19			—
Accrued bonus		27			—		19			—
Other comprehensive income		4			—		6			—
Right-of-use assets		—			165		—			148
Right-of-use liability		173			—		156			—
Stock-based compensation		4			—		5			—
Deferred compensation		38			—		51			—
IRC Section 481(a) adjustments		—			57		—			122
Other		19			—		19			—
Total		1,463			820		1,363			839
Valuation allowance		(983	)		—		(829	)		—
Total deferred income taxes	$	480		$	820	$	534		$	839

Schedule of Reconciliation of the Total Amount of Unrecognized Tax Benefit

The following is a tabular reconciliation of the total amount of unrecognized tax benefit for the years ended December 31, 2023, 2022 and 2021 (in millions):

	Year Ended December 31,
	2023			2022		2021
Unrecognized tax benefit, beginning of year	$	50		$	42	$	45
Gross increases — tax positions in current period		9			8		5
Reductions — tax positions in prior period		(1	)		—		(8	)
Unrecognized tax benefit, end of year	$	58		$	50	$	42