Balance Sheet Details (Property And Equipment, Net Schedule) (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2022
Property and Equipment, Net [Line Items]
Property and equipment, gross	$ 1,583		$ 1,621
Less: accumulated depreciation	(1,038)		(1,071)
Property and equipment, net	545		550	[1]
Depreciation expense	44	$ 40
Computer, equipment and software
Property and Equipment, Net [Line Items]
Property and equipment, gross	855		853
Buildings
Property and Equipment, Net [Line Items]
Property and equipment, gross	372		375
Leasehold improvements
Property and Equipment, Net [Line Items]
Property and equipment, gross	162		202
Equipment, furniture and fixtures, and other
Property and Equipment, Net [Line Items]
Property and equipment, gross	94		95
Land
Property and Equipment, Net [Line Items]
Property and equipment, gross	66		66
Construction in progress
Property and Equipment, Net [Line Items]
Property and equipment, gross	$ 34		$ 30

[1] Derived from audited Consolidated Financial Statements.