Consolidated Statements Of Compehensive Income (USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 29, 2013	Mar. 30, 2012	Apr. 01, 2011
Consolidated Statements Of Compehensive Income [Abstract]
Net income	$ 765	$ 1,172	$ 593
Translation adjustments	5	1	(8)
Reclassification adjustments for realized loss included in net income	2	3	21
Net foreign currency translation adjustments, net of tax	7	4	13
Unrealized gain (loss) on available-for-sale securities, net of taxes	15		(1)
Total other comprehensive income, net of tax	22	4	12
Comprehensive income	787	1,176	605
Less: Comprehensive income (loss) attributable to noncontrolling interest	(2)	2	(4)
Comprehensive income attributable to Symantec Corporation stockholders	$ 789	$ 1,174	$ 609