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Fair Value Measurements, Derivative Instruments and Hedging Activities - Additional Information (Detail) | 12 Months Ended |  |  | 12 Months Ended |  | 1 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 30, 2012 USD ($) | Nov. 30, 2011 USD ($) | Nov. 30, 2010 USD ($) | Nov. 30, 2011 Foreign Currency Third-Party Debt And Intercompany Payable USD ($) | Nov. 30, 2012 Foreign Currency Intercompany Payable USD ($) | Nov. 30, 2010 Nonoperating Income Expense USD ($) | Nov. 30, 2012 Minimum USD ($) | Jul. 31, 2012 Cash Flow Hedging | Jul. 31, 2012 Cash Flow Hedging | Jun. 30, 2012 Cash Flow Hedging | Jul. 31, 2012 Cash Flow Hedging Maximum USD ($) | Jun. 30, 2012 Cash Flow Hedging Maximum USD ($) | Jul. 31, 2012 Cash Flow Hedging Minimum USD ($) | Jun. 30, 2012 Cash Flow Hedging Minimum USD ($)
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on foreign currency forwards that are not designated as hedges |  |  |  |  |  | $ 18,000,000 |  |  |  |  |  |  |  |
Derivative asset, cash collateral netting threshold, fair value |  |  |  |  |  |  | 100,000,000 |  |  |  |  |  |  |
Designated debt and other obligations as non-derivative hedges of net investments in foreign operations |  |  |  | 3,600,000,000 | 1,800,000,000 |  |  |  |  |  |  |  |  |
Cumulative foreign currency transaction gains and (losses) included in the cumulative translation adjustment component of AOCI | 243,000,000 | 204,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency translation adjustment | 39,000,000 | 21,000,000 | 271,000,000 |  |  |  |  |  |  |  |  |  |  |
Maturity period for foreign currency zero cost collars |  |  |  |  |  |  |  | 2015-02 | 2015-02 | 2013-05 |  |  |  |
Weighted-average ceiling rate |  |  |  |  |  |  |  | 0.83 | 0.83 | 1.30 |  |  |  |
Currency exchange risk hedged |  |  |  |  |  |  |  |  |  |  | 294,000,000 | 560,000,000 | 272,000,000 | 512,000,000
Weighted-average floor rate |  |  |  |  |  |  |  | 0.77 | 0.77 | 1.19 |  |  |  |
Foreign currency contract commitments | $ 1,100,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of debt bore fixed interest rates, including the effect of interest rate swaps | 61.00% | 65.00% |  |  |  |  |  |  |  |  |  |  |  |
Percentage of debt bore floating interest rates, including the effect of interest rate swaps | 39.00% | 35.00% |  |  |  |  |  |  |  |  |  |  |  |

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