Restructuring, Separation, and Transition (Schedule of the Restructuring, Separation and Transition Liabilities Summary) (Details) $ in Millions	3 Months Ended	9 Months Ended
	Jan. 01, 2016 USD ($)	Jan. 01, 2016 USD ($)
Restructuring Reserve [Roll Forward]
Beginning Balance		$ 86
Costs, Net of Adjustments		244
Cash Payments		(249)
Ending Balance	$ 81	81
Transition and other related costs		105
Total restructuring, separation, and transition costs	114	349
Fiscal 2014 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance		4
Costs, Net of Adjustments		0
Cash Payments		(4)
Ending Balance	0	0
Cumulative Incurred to Date	238	238
Fiscal 2015 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance		82
Costs, Net of Adjustments		244
Cash Payments		(245)
Ending Balance	81	81
Cumulative Incurred to Date	434	434
Fiscal 2015 Plan | Severance costs
Restructuring Reserve [Roll Forward]
Beginning Balance		59
Costs, Net of Adjustments		36
Cash Payments		(74)
Ending Balance	21	21
Cumulative Incurred to Date	138	138
Fiscal 2015 Plan | Separation costs
Restructuring Reserve [Roll Forward]
Beginning Balance		17
Costs, Net of Adjustments		189
Cash Payments		(160)
Ending Balance	46	46
Cumulative Incurred to Date	270	270
Fiscal 2015 Plan | Other exit and disposal costs
Restructuring Reserve [Roll Forward]
Beginning Balance		6
Costs, Net of Adjustments		19
Cash Payments		(11)
Ending Balance	14	14
Cumulative Incurred to Date	$ 26	$ 26