Basic and Diluted Earnings Per Share Computation (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
Feb. 28, 2013	Feb. 29, 2012
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Net income (loss) for basic and diluted earnings (loss) per share	$ 37	$ (139)
Weighted-average common and ordinary shares outstanding	776	778
Dilutive effect of equity plans	2
Diluted weighted-average shares outstanding	778	778
Basic and diluted earnings (loss) per share	$ 0.05	$ (0.18)
Anti-dilutive equity awards excluded from diluted earnings (loss) per share computations	5	13

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.

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-URI http://asc.fasb.org/extlink&oid=6505113

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-Name Statement of Financial Accounting Standard (FAS)

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+ Details

- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of equity unit purchase agreements using the treasury stock method.

+ References+ Details

- Definition

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

+ References

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

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-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 19

-Article 5

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-Glossary Other Comprehensive Income

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-Glossary Net Income

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-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

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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.

+ References

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-Glossary Weighted-Average Number of Common Shares Outstanding

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

+ Details