Schedule of Earnings Per Share Effect on Net Income and Weighted Average Number of Dilutive Potential Common Stock (Detail) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended
Nov. 25, 2012	Nov. 20, 2011
Earnings Per Share [Line Items]
Net income available to common stockholders used in basic and diluted net income per common share	$ 416	$ 320
Weighted average number of common shares used in basic net income per common share	433,423	434,222
RSUs and stock options	4,413	5,520
Conversion of convertible notes	807	873
Weighted average number of common shares and dilutive potential of common stock used in diluted net income per share	438,643	440,615
Anti-dilutive RSUs	0	3

Schedule of Earnings Per Share Effect on Net Income and Weighted Average Number of Dilutive Potential Common Stock (Detail) (USD $)
In Millions, except Share data in Thousands, unless otherwise specified

3 Months Ended

Nov. 25, 2012

Nov. 20, 2011

Earnings Per Share [Line Items]

Net income available to common stockholders used in basic and diluted net income per common share

$ 416

$ 320

Weighted average number of common shares used in basic net income per common share

433,423

434,222

RSUs and stock options

4,413

5,520

Conversion of convertible notes

807

873

Weighted average number of common shares and dilutive potential of common stock used in diluted net income per share

438,643

440,615

Anti-dilutive RSUs

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

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+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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-Name Regulation S-X (SX)

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+ Details

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References+ Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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-URI http://asc.fasb.org/extlink&oid=6528421

+ Details