Restructuring, Separation, And Transition (Schedule Of Restructuring Liabilities) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jan. 02, 2015	Dec. 27, 2013	Jan. 02, 2015	Dec. 27, 2013
Restructuring Reserve [Roll Forward]
Balance, beginning			$ 38
Costs, net of adjustments			102
Cash payments			(93)
Balance, ending	47		47
Transition and other related costs	12		29
Restructuring, separation, and transition	81	29	131	232
Fiscal 2014 Plan
Restructuring Reserve [Roll Forward]
Balance, beginning			38
Costs, net of adjustments	0		16
Cash payments			(47)
Balance, ending	7		7
Cumulative incurred to date	238		238
Fiscal 2015 Plan
Restructuring Reserve [Roll Forward]
Balance, beginning			0
Costs, net of adjustments	69		86
Cash payments			(46)
Balance, ending	40		40
Cumulative incurred to date	86		86
Fiscal 2015 Plan | Severance costs
Restructuring Reserve [Roll Forward]
Balance, beginning			0
Costs, net of adjustments	39		47
Cash payments			(15)
Balance, ending	32		32
Cumulative incurred to date	47		47
Fiscal 2015 Plan | Separation costs
Restructuring Reserve [Roll Forward]
Balance, beginning			0
Costs, net of adjustments	29		38
Cash payments			(31)
Balance, ending	7		7
Cumulative incurred to date	38		38
Fiscal 2015 Plan | Other exit and disposal costs
Restructuring Reserve [Roll Forward]
Balance, beginning			0
Costs, net of adjustments	1		1
Cash payments			0
Balance, ending	1		1
Cumulative incurred to date	$ 1		$ 1