Commitments and Contingencies (Commitments) (Details) $ in Millions	9 Months Ended
	Dec. 30, 2016 USD ($)
Guarantor Obligations [Line Items]
Purchase commitments, fiscal 2017	$ 89
Purchase commitments, fiscal 2018	344
Purchase commitments, fiscal 2019 and thereafter	1,365
Total	$ 1,798
Line of credit, term	1 year
Fiscal 2017	$ 56
Fiscal 2018	19
Fiscal 2019 and thereafter	50
Total	125
Surety bonds
Guarantor Obligations [Line Items]
Fiscal 2017	10
Fiscal 2018	11
Fiscal 2019 and thereafter	0
Total	21
Letters of credit
Guarantor Obligations [Line Items]
Fiscal 2017	10
Fiscal 2018	3
Fiscal 2019 and thereafter	32
Total	45
Stand-by letters of credit
Guarantor Obligations [Line Items]
Fiscal 2017	36
Fiscal 2018	5
Fiscal 2019 and thereafter	18
Total	$ 59
Minimum
Guarantor Obligations [Line Items]
Purchase commitments, period	1 year
Maximum
Guarantor Obligations [Line Items]
Purchase commitments, period	7 years