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Fair Value Measurements (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 28, 2015	Mar. 29, 2014	Mar. 30, 2013
Fair Value Disclosures [Abstract]
Carrying value of long-lived assets impaired	$ 7rl_Carryingvalueoflonglivedassetsimpaired	$ 1rl_Carryingvalueoflonglivedassetsimpaired	$ 19rl_Carryingvalueoflonglivedassetsimpaired
Asset Impairment Charges	(7)us-gaap_AssetImpairmentCharges	(1)us-gaap_AssetImpairmentCharges	(19)us-gaap_AssetImpairmentCharges
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill impairment	$ 0us-gaap_GoodwillImpairmentLoss	$ 0us-gaap_GoodwillImpairmentLoss	$ 0us-gaap_GoodwillImpairmentLoss

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- Definition

Carrying value of long-lived assets impaired

+ References

No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 45

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-URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2420-110228

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- Definition

Amount of loss from the write-down of an asset representing the 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 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585



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-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267



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-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

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-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266



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-Name Accounting Standards Codification

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