Divestitures (CSRA Spin-off Cash Flows) (Details) - USD ($) $ in Millions	12 Months Ended
	Apr. 01, 2016	Apr. 03, 2015	Mar. 28, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Capital expenditures through capital lease obligations	$ (47)	$ (24)	$ (149)
Capital expenditures in accounts payable	(42)	(39)	(45)
CSRA | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Depreciation	75	114	121
Amortization	15	23	27
Capital expenditures	(75)	(75)	(107)
Net gain on disposition of business	22	(3)	64
Capital expenditures through capital lease obligations	0	(10)	(43)
Capital expenditures in accounts payable	(7)	(14)	(6)
Disposition of assets	$ (8)	$ 1	$ 0