Schedule II (Details) (Allowance for Doubtful Accounts, USD $) In Millions, unless otherwise specified	12 Months Ended
Apr. 26, 2013	Apr. 27, 2012	Apr. 29, 2011
Allowance for Doubtful Accounts
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Fiscal Year	$ 100	$ 97	$ 67
Charged to Earnings	51	66	47
Other Changes (Debit) Credit	(53)	(55)	(31)
Effects of Foreign Currency	0	(8)	14
Balance at End of Fiscal Year	$ 98	$ 100	$ 97

Valuation and Allowance Reserves, Effects of Foreign Currency

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- Definition

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690

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- Definition

+ References

+ Details

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- Definition

Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively.

+ References

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