Income Taxes - Schedule of Reconciliation of Income Taxes Computed at U.S. Federal Statutory Income Tax Rate (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Amount (in millions)
U.S. Federal statutory tax rate	$ 83	$ 95	$ 82
State and local income taxes, net of Federal income tax effect	6	12	10
Foreign tax effects	1
Effects of cross-border tax laws	(1)
Tax credits	(1)
Changes in valuation allowances	2
Changes in unrecognized tax benefits	2
Change in tax rates		(9)	0
Non-deductible expenses		2	3
Return to provision adjustments		(1)	0
Total income tax expense	$ 92	$ 99	$ 95
Percent
U.S. Federal statutory tax rate	21.00%
State and local income taxes, net of Federal income tax effect	1.50%
Foreign tax effects	0.10%
Effects of cross-border tax laws	(0.20%)
Tax credits	(0.30%)
Changes in valuation allowances	0.60%
Changes in unrecognized tax benefits	0.60%
Income tax expense and effective tax rate	23.30%
Tax Jurisdiction of Domicile [Extensible Enumeration]	United States