Derivative Instruments - Nondesignated Hedging (Details) - Not Designated as Hedging Instrument - USD ($) $ in Millions	12 Months Ended
	Apr. 01, 2016	Apr. 03, 2015	Mar. 28, 2014
Derivative [Line Items]
Pretax gain (loss) on derivative instruments	$ (19)	$ (1)	$ (15)
Interest Rate Swap | Cost of services and Selling, general & administrative
Derivative [Line Items]
Pretax gain (loss) on derivative instruments	0	8	0
Foreign Exchange Contract | Other income (expense), net
Derivative [Line Items]
Pretax gain (loss) on derivative instruments	$ (19)	$ (9)	$ (15)