Balance Sheet Details (Accrued And Other Current Liabilities Schedule) (Details) - USD ($) $ in Millions	Jun. 30, 2017	Mar. 31, 2017
Balance Sheet Related Disclosures [Abstract]
Other accrued expenses	$ 241	$ 210
Accrued compensation and benefits	211	267
Accrued royalties	150	165
Deferred net revenue (other)	107	147
Accrued and other current liabilities	$ 709	$ 789	[1]

[1] Derived from audited Consolidated Financial Statements.