Divestitures (Fiscal 2014 Divestiture) (Details) - USD ($) $ in Millions				3 Months Ended		12 Months Ended
		Jul. 19, 2013	May 21, 2013	Jul. 04, 2014	Mar. 28, 2014	Apr. 01, 2016	Apr. 03, 2015	Mar. 28, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Working capital adjustment				$ 1
Pre-tax gain	[1]					$ 37	$ (13)	$ 248
Cash received for net working capital adjustment				2
NPS Applied Technology Division
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Amount of cash consideration received		$ 178
Working capital adjustment		6		$ 3		$ 3
Pre-tax gain		$ 77
Flood-Insurance-Related Business Process Outsourcing Practice
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Amount of cash consideration received			$ 43
Working capital adjustment			4
Pre-tax gain			$ 25
Cash received representing working capital adjustment					$ 3
Pre-tax loss on divestiture					$ 1

[1] Due to the adoption of ASU 2016-09 certain balances related to employee stock-based compensation were adjusted retrospectively as discussed in Note 1 .