Balance Sheet Details (Property And Equipment, Net Schedule) (Details) - USD ($) $ in Millions	Jun. 30, 2015	Mar. 31, 2015
Property and Equipment, Net [Line Items]
Property and equipment, gross	$ 1,237	$ 1,238
Less: accumulated depreciation	(793)	(779)
Property and equipment, net	444	459
Computer, equipment and software
Property and Equipment, Net [Line Items]
Property and equipment, gross	651	655
Buildings
Property and Equipment, Net [Line Items]
Property and equipment, gross	315	315
Leasehold improvements
Property and Equipment, Net [Line Items]
Property and equipment, gross	128	126
Office equipment, furniture and fixtures
Property and Equipment, Net [Line Items]
Property and equipment, gross	65	64
Land
Property and Equipment, Net [Line Items]
Property and equipment, gross	62	62
Warehouse, equipment and other
Property and Equipment, Net [Line Items]
Property and equipment, gross	9	9
Construction in progress
Property and Equipment, Net [Line Items]
Property and equipment, gross	$ 7	$ 7

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

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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

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

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

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-Publisher FASB

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+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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