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Earnings Per Share - Basic and Diluted Earnings Per Share Computation (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2013	Aug. 31, 2012
Disclosure Basic And Diluted Earnings Per Share Computation [Abstract]
Net income for basic and diluted earnings per share	$ 934	$ 1,330	$ 1,012	$ 1,205
Weighted-average common and ordinary shares outstanding	775	778	775	778
Dilutive effect of equity plans	2	1	2	1
Diluted weighted-average shares outstanding	777	779	777	779
Basic earnings per share (USD per share)	$ 1.20	$ 1.71	$ 1.31	$ 1.55
Diluted earnings per share (USD per share)	$ 1.20	$ 1.71	$ 1.30	$ 1.55
Anti-dilutive equity awards excluded from diluted earnings per share computations	5	9	5	9

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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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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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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.

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