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Property and Equipment - Schedule of Property and Equipment (Detail) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,948	$ 2,656
Less: Accumulated depreciation and amortization	1,692	1,553
Property and equipment, net	1,256	1,103
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	6	6
Building [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 33	33
Estimated useful life-in years	39 years
Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 34	32
Estimated useful life-in years	15 years
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,256	1,048
Leasehold Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life-in years	1 year
Leasehold Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life-in years	15 years
Equipment and Computer Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,213	1,136
Estimated useful life-in years	3 years
Other Transportation Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 199	198
Other Transportation Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life-in years	8 years
Other Transportation Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life-in years	10 years
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 141	101
Estimated useful life-in years	7 years
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 66	$ 102

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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