v2.4.0.6

Borrowings (Schedule Of Long-Term Debt) (Parenthetical) (Detail)	12 Months Ended
	Jul. 28, 2012
Floating-Rate Notes, Due 2014
Debt Instrument [Line Items]
Debt instrument maturity	2014
1.625% Fixed-Rate Notes, Due 2014
Debt Instrument [Line Items]
Fixed interest rate	1.625%
Debt instrument maturity	2014
2.90% Fixed-Rate Notes, Due 2014
Debt Instrument [Line Items]
Fixed interest rate	2.90%
Debt instrument maturity	2014
5.50% Fixed-Rate Notes, Due 2016
Debt Instrument [Line Items]
Fixed interest rate	5.50%
Debt instrument maturity	2016
3.15% Fixed-Rate Notes, Due 2017
Debt Instrument [Line Items]
Fixed interest rate	3.15%
Debt instrument maturity	2017
4.95% Fixed-Rate Notes, Due 2019
Debt Instrument [Line Items]
Fixed interest rate	4.95%
Debt instrument maturity	2019
4.45% Fixed-Rate Notes, Due 2020
Debt Instrument [Line Items]
Fixed interest rate	4.45%
Debt instrument maturity	2020
5.90% Fixed-Rate Notes, Due 2039
Debt Instrument [Line Items]
Fixed interest rate	5.90%
Debt instrument maturity	2039
5.50% Fixed-Rate Notes, Due 2040
Debt Instrument [Line Items]
Fixed interest rate	5.50%
Debt instrument maturity	2040

X

- Definition

Debt Instrument Maturity

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Interest rate stated in the contractual debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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

+ Details

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Balance Type:	na
Period Type:	instant

X

- Details

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Balance Type:	na
Period Type:	duration