Goodwill and Other Intangible Assets (Other Intangible Assets) (Details) - USD ($)	3 Months Ended
	Jul. 01, 2016	Jul. 03, 2015	Apr. 01, 2016
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Value	$ 4,176,000,000		$ 3,556,000,000
Accumulated Amortization	2,280,000,000		2,228,000,000
Net Carrying Value	1,896,000,000		1,328,000,000
Amortization expense	80,000,000	$ 71,000,000
Outsourcing contract costs amortization expense	3,000,000	3,000,000
Gain on sale of intangible asset	0
GIS
Finite-Lived Intangible Assets, Net [Abstract]
Gain on sale of intangible asset		31,000,000
Software
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Value	2,414,000,000		2,243,000,000
Accumulated Amortization	1,560,000,000		1,531,000,000
Net Carrying Value	854,000,000		712,000,000
Software | Capitalized software
Finite-Lived Intangible Assets, Net [Abstract]
Amortization expense	43,000,000	$ 41,000,000
Outsourcing contract costs
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Value	834,000,000		828,000,000
Accumulated Amortization	503,000,000		494,000,000
Net Carrying Value	331,000,000		334,000,000
Customer and other intangible assets
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Value	928,000,000		485,000,000
Accumulated Amortization	217,000,000		203,000,000
Net Carrying Value	$ 711,000,000		$ 282,000,000