Restructuring (Schedule Of The Restructuring Summary) (Details) (USD $) In Millions	3 Months Ended
	Jul. 01, 2011	Jul. 02, 2010	Jul. 01, 2011 Total Restructuring [Member]	Jul. 01, 2011 Total Restructuring [Member] Severance [Member]	Jul. 01, 2011 Total Restructuring [Member] Facilities [Member]	Jul. 01, 2011 Total Liabilities [Member]	Jul. 01, 2011 Total Liabilities [Member] Other exit and disposal costs [Member]	Jul. 01, 2011 Total Charges [Member]	Jul. 01, 2011 Total Charges [Member] Transition And Other Related Costs [Member]	Jul. 01, 2011 Total Other Liabilities [Member]	Apr. 01, 2011 Total Other Liabilities [Member]	Jul. 01, 2011 Total Other Liabilities [Member] Other Current Liabilities [Member]	Apr. 01, 2011 Total Other Liabilities [Member] Other Current Liabilities [Member]	Jul. 01, 2011 Total Other Liabilities [Member] Other Long-term Obligations [Member]	Apr. 01, 2011 Total Other Liabilities [Member] Other Long-term Obligations [Member]
Balance, beginning			$ 13	$ 3	$ 10	$ 26	$ 13			$ 25	$ 26	$ 12	$ 14	$ 13	$ 12
Costs, net of Adjustments	12	40	4	2	2	7	3	12	5
Cash Payments			(4)	(3)	(1)	(8)	(4)
Balance, ending			13	2	11	25	12			25	26	12	14	13	12
Cumulative Incurred to date			$ 93	$ 72	$ 21