Balance Sheet Details (Accrued And Other Current Liabilities Schedule) (Details) - USD ($) $ in Millions	Dec. 31, 2015	Mar. 31, 2015
Balance Sheet Related Disclosures [Abstract]
Other accrued expenses	$ 308	$ 298
Accrued compensation and benefits	218	263
Accrued royalties	216	119
Deferred net revenue (other)	98	114
Accrued and other current liabilities	$ 840	$ 794	[1]

[1] Derived from audited Consolidated Financial Statements.