Income Taxes - Reconciliation of US Statutory Federal Income Tax Rate To Effective Income Tax Rate, 2025 (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Amount
Statutory federal income tax rate	$ 913
State and local income taxes, net of federal benefit	119
Foreign-derived intangible income	(58)
Other	(3)
Tax credits	(24)
Changes in valuation allowance	(19)
Nontaxable or nondeductible items	0
Unrecognized tax benefits	(61)
Total income tax expense	$ 976	$ 826	$ 456
Percent
Statutory federal income tax rate	21.00%	21.00%	21.00%
State and local income taxes, net of federal benefit	3.00%	3.00%	2.00%
Foreign-derived intangible income	(1.00%)	(2.00%)	(2.00%)
Income tax expense	$ 976	$ 826	$ 456
Other	0.00%
Tax credits	(1.00%)
Changes in valuation allowance	(1.00%)
Nontaxable or nondeductible items	0.00%
Other reconciling items		0.00%	1.00%
Unrecognized tax benefits	(1.00%)	0.00%	(1.00%)
Foreign tax rate differential		3.00%	2.00%
Total provision for income taxes	22.00%	23.00%	16.00%
United States
Amount
Other reconciling items	$ (6)
Percent
Other reconciling items	0.00%
United Kingdom:
Amount
Other reconciling items	$ 1
Foreign	$ 95
Percent
Other reconciling items	0.00%
Foreign tax rate differential	2.00%
Other jurisdictions
Amount
Foreign	$ 19
Percent
Foreign tax rate differential	0.00%