Income Taxes (Principal Components Of Deferred Tax Assets) (Details) (USD $) In Millions, unless otherwise specified	Mar. 29, 2013	Mar. 30, 2012
Deferred tax assets:
Tax credit carryforwards	$ 54	$ 43
Net operating loss carryforwards of acquired companies	102	137
Other accruals and reserves not currently tax deductible	144	152
Deferred revenue	93	95
Loss on investments not currently tax deductible	10	23
State income taxes	29	33
Goodwill		36
Stock-based compensation	36	60
Other		4
Deferred tax assets total before valuation allowance	468	583
Valuation allowance	(66)	(55)
Total deferred tax assets	402	528
Deferred tax liabilities:
Tax over book depreciation	(73)	(41)
Goodwill	(19)
Intangible assets	(102)	(208)
Unremitted earnings of foreign subsidiaries	(372)	(329)
Other	(3)
Total deferred tax liabilities	(569)	(578)
Net deferred tax assets	$ (167)	$ (50)