Summary of Significant Accounting Policies (Summary Of Property And Equipment, Net) (Details) (USD $) In Millions, unless otherwise specified	Apr. 03, 2015	Mar. 28, 2014
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,279us-gaap_PropertyPlantAndEquipmentGross	$ 2,939us-gaap_PropertyPlantAndEquipmentGross
Accumulated depreciation	(1,074)	(1,823)
Property and equipment, net	1,205us-gaap_PropertyPlantAndEquipmentNet	1,116us-gaap_PropertyPlantAndEquipmentNet
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	79	79
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,188	1,797
Office furniture and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	102	140
Buildings
Property, Plant and Equipment [Line Items]
Property and equipment, gross	542	539
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	288	356
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 80	$ 28

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

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-SubTopic 10

-Section 50

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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

-Name Accounting Standards Codification

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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

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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

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