Balance Sheet Details (Accrued And Other Current Liabilities Schedule) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Mar. 31, 2011
Balance Sheet Details [Abstract]
Other accrued expenses	$ 417	$ 359
Accrued compensation and benefits	211	232
Accrued royalties	143	96
Deferred net revenue (other)	75	81
Accrued and other current liabilities	$ 846	$ 768	[1]

[1] Derived from audited consolidated financial statements.