Property and Equipment (Detail) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 4,211	$ 4,125
Less: Accumulated depreciation	(1,961)	(1,836)
Property and equipment, net	2,250	2,289
Computer equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,383	3,332
Computer software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	126	126
Leasehold and other improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	438	433
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	119	117
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 145	$ 117

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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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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