Condensed Consolidated Statements Of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Oct. 03, 2014	Sep. 27, 2013	Oct. 03, 2014	Sep. 27, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 244	$ 241	$ 480	$ 398
Foreign currency translation adjustments:
Translation adjustments	(42)	14	(40)	(4)
Net foreign currency translation adjustments	(42)	14	(40)	(4)
Available-for-sale securities:
Unrealized gain on available-for-sale securities, net of taxes of $0 million and $0 million for the three and six months ended October 3, 2014 and September 27, 2013, respectively	0	1	0	0
Reclassification adjustments for realized gain included in net income, net of taxes of $0 million and $5 million for the three months ended October 3, 2014 and September 27, 2013, respectively, and $0 million and $10 million for the six months ended October 3, 2014 and September 27, 2013, respectively	0	(11)	0	(14)
Net change in unrealized (loss) gain on available-for-sale securities	0	(10)	0	(14)
Other comprehensive (loss) income, net of taxes	(42)	4	(40)	(18)
Comprehensive income	$ 202	$ 245	$ 440	$ 380