Property and Equipment (Details) - USD ($) $ in Millions	Mar. 31, 2019	Mar. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment—at cost	$ 516	$ 356
Less: accumulated depreciation	(148)	(66)
Property and equipment, net	368	290
Land, buildings and leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment—at cost	58	72
Computers and related equipment
Property, Plant and Equipment [Line Items]
Property and equipment—at cost	409	283
Computers and related equipment under capital lease	377	274
Less: accumulated depreciation	(130)	(57)
Property and equipment under capital lease, net	247	217
Furniture and other equipment
Property, Plant and Equipment [Line Items]
Property and equipment—at cost	$ 49	$ 1

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 of leased physical assets used in the normal conduct of business to produce goods and services.

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The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

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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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