Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 28, 2014	Mar. 29, 2013	Mar. 30, 2012
Summary of amortizable intangible assets [Abstract]
Gross Carrying Value	$ 4,383	$ 4,119
Accumulated Amortization	3,033	2,772
Net Carrying Value	1,350	1,347
Amortization expense	402	414	441
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
Fiscal 2014	375
Fiscal 2015	282
Fiscal 2016	216
Fiscal 2017	166
Fiscal 2018	139
Impairment of Intangible Assets		(75)
Purchased software
Summary of amortizable intangible assets [Abstract]
Net Carrying Value	287	297
Internally developed commercial software
Summary of amortizable intangible assets [Abstract]
Net Carrying Value	308	304
Internally developed internal-use software
Summary of amortizable intangible assets [Abstract]
Net Carrying Value	55	10
Outsourcing contract costs
Summary of amortizable intangible assets [Abstract]
Gross Carrying Value	1,465	1,473
Accumulated Amortization	1,038	968
Net Carrying Value	427	505
Amortization expense	34	40	53
Contract-based intangible assets
Summary of amortizable intangible assets [Abstract]
Amortization expense	11	11	3
Software
Summary of amortizable intangible assets [Abstract]
Gross Carrying Value	2,330	2,134
Accumulated Amortization	1,680	1,523
Net Carrying Value	650	611
Software | Purchased software
Summary of amortizable intangible assets [Abstract]
Amortization expense	130	143	149
Software | Internally developed commercial software
Summary of amortizable intangible assets [Abstract]
Amortization expense	56	53	47
Software | Internally developed internal-use software
Summary of amortizable intangible assets [Abstract]
Amortization expense	2	2	4
Customer and other intangible assets
Summary of amortizable intangible assets [Abstract]
Gross Carrying Value	588	512
Accumulated Amortization	315	281
Net Carrying Value	$ 273	$ 231