Goodwill and Intangible Assets (Schedule Of Changes In The Carrying Amount Of Goodwill) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Apr. 03, 2015	Mar. 28, 2014
Goodwill [Roll Forward]
Net balance	$ 5,858us-gaap_Goodwill	$ 5,841us-gaap_Goodwill
Acquisitions	11us-gaap_GoodwillAcquiredDuringPeriod	16us-gaap_GoodwillAcquiredDuringPeriod
Translation adjustments	(22)us-gaap_GoodwillTranslationAdjustments	1us-gaap_GoodwillTranslationAdjustments
Net balance	5,847us-gaap_Goodwill	5,858us-gaap_Goodwill
Consumer Security
Goodwill [Roll Forward]
Net balance	1,233	1,233
Acquisitions	0	0
Translation adjustments	(3)	0
Net balance	1,230	1,233
Enterprise Security
Goodwill [Roll Forward]
Net balance	1,918	1,901
Acquisitions	11	16
Translation adjustments	(13)	1
Net balance	1,916	1,918
Information Management
Goodwill [Roll Forward]
Net balance	2,707	2,707
Acquisitions	0	0
Translation adjustments	(6)	0
Net balance	$ 2,701	$ 2,707

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

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-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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