Property and Equipment (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Mar. 28, 2014	Mar. 29, 2013	Mar. 30, 2012
Property, Plant and Equipment [Line Items]
Property and equipment—at cost	$ 5,651us-gaap_PropertyPlantAndEquipmentGross	$ 5,651us-gaap_PropertyPlantAndEquipmentGross
Less: accumulated depreciation and amortization	3,620	3,467
Property and equipment, net of accumulated depreciation of $3,620 (2014) and $3,467 (2013)	2,031us-gaap_PropertyPlantAndEquipmentNet	2,184us-gaap_PropertyPlantAndEquipmentNet
Depreciation expense	661us-gaap_Depreciation	709us-gaap_Depreciation	752us-gaap_Depreciation
Tangible asset impairment charges			81us-gaap_TangibleAssetImpairmentCharges
Land, buildings and leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment—at cost	1,226	1,228
Computers and related equipment
Property, Plant and Equipment [Line Items]
Property and equipment—at cost	4,051	3,989
Furniture and other equipment
Property, Plant and Equipment [Line Items]
Property and equipment—at cost	346	392
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment—at cost	$ 28	$ 42

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-SubTopic 10

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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- Definition

The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

+ References

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