Balance Sheet Details (Accrued And Other Current Liabilities Schedule) (Details) - USD ($) $ in Millions	Sep. 30, 2021	Mar. 31, 2021
Balance Sheet Related Disclosures [Abstract]
Other accrued expenses	$ 343	$ 351
Accrued compensation and benefits	338	494
Accrued royalties	172	210
Contract with Customer, Liability, Current	99	115
Deferred net revenue, other	99	95
Operating Lease, Liability, Current	68	76
Accrued and other current liabilities	$ 1,119	$ 1,341	[1]

[1] Derived from audited Consolidated Financial Statements.