Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating Loss Carryforwards [Line Items]
Income taxes paid	$ 1,100
U.S. federal income taxes paid	300
State income taxes paid	74
Valuation allowance	140	$ 200	$ 166	$ 92
Deferred tax assets	462	657
Unrecognized tax benefits that would impact effective tax rate	171	228
Unrecognized tax benefits	206	274	268	$ 247
Income tax expense (benefit) for interest and penalties	5	14	$ (30)
Unrecognized tax benefits, income tax penalties and interest accrued	42	47
Other Noncurrent Liabilities
Operating Loss Carryforwards [Line Items]
Unrecognized tax benefits	174
Unrecognized tax benefits, income tax penalties and interest accrued	30
Other Current Liabilities
Operating Loss Carryforwards [Line Items]
Unrecognized tax benefits	32
Unrecognized tax benefits, income tax penalties and interest accrued	12
Domestic Tax Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	94	92
Deferred tax assets	63	127
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	138	251
Foreign Tax Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	228	$ 219
United Kingdom:
Operating Loss Carryforwards [Line Items]
UK and other foreign income taxes paid	615
Other jurisdictions
Operating Loss Carryforwards [Line Items]
UK and other foreign income taxes paid	$ 79