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Estimated Fair Value and Basis of Valuation of Financial Instrument Assets and (Liabilities) Measured at Fair Value on a Recurring Basis (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified |  |  |  |  |  | 12 Months Ended |  |  | 12 Months Ended
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Nov. 30, 2010 Ship Foreign Currency Options Financial Instruments Measured at Fair Value on a Recurring Basis | Nov. 30, 2011 Net investment hedges Financial Instruments Measured at Fair Value on a Recurring Basis | Nov. 30, 2010 Net investment hedges Financial Instruments Measured at Fair Value on a Recurring Basis | Nov. 30, 2011 Net investment hedges Financial Instruments Measured at Fair Value on a Recurring Basis Maximum | Nov. 30, 2011 Fuel Derivatives Second Half 2012 Financial Instruments Measured at Fair Value on a Recurring Basis | Nov. 30, 2011 Fuel Derivatives 2013 Maturity | Nov. 30, 2011 Fuel Derivatives 2013 Maturity Financial Instruments Measured at Fair Value on a Recurring Basis | Nov. 30, 2011 Fuel Derivatives 2014 Maturity | Nov. 30, 2011 Fuel Derivatives 2014 Maturity Financial Instruments Measured at Fair Value on a Recurring Basis | Nov. 30, 2011 Fuel Derivatives 2015 Maturity | Nov. 30, 2011 Fuel Derivatives 2015 Maturity Financial Instruments Measured at Fair Value on a Recurring Basis | Nov. 30, 2011 Fair Value Hedging Interest rate swaps Financial Instruments Measured at Fair Value on a Recurring Basis | Nov. 30, 2010 Fair Value Hedging Interest rate swaps Financial Instruments Measured at Fair Value on a Recurring Basis | Nov. 30, 2011 Fair Value Hedging Interest rate swaps Financial Instruments Measured at Fair Value on a Recurring Basis Maximum | Nov. 30, 2011 Cash Flow Hedging Interest rate swaps Financial Instruments Measured at Fair Value on a Recurring Basis | Nov. 30, 2010 Cash Flow Hedging Interest rate swaps Financial Instruments Measured at Fair Value on a Recurring Basis | Nov. 30, 2011 Cash Flow Hedging Interest rate swaps Financial Instruments Measured at Fair Value on a Recurring Basis Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated percent of fuel consumption |  |  |  |  | 10.00% | 10.00% | [1] | 10.00% | 10.00% | [1] | 10.00% | 10.00% | [1] | 10.00% |  |  |  |  |  |
Total foreign currency options designated as foreign currency cash flow hedges for euro-denominated shipbuilding contracts | $ 785 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity of foreign currency derivatives | 2011 |  |  | July 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total foreign currency forwards designated as hedges of net investments in foreign operations for euro-denominated functional currency |  | 183 | 352 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of interest rate swap agreements change, of fixed rate debt to U.S. dollar LIBOR or GBP LIBOR-based floating rate debt, for both U.S. dollar and sterling interest rate swaps designated as fair value hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 510 | 512 |  |  |  |
Maturity of interest rate swaps |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2012-06 |  |  | 2022-02
Amount of interest rate swap agreements change, of EURIBOR-based floating rate debt to fixed rate debt, for euro interest rate swaps designated as cash flow hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 320 | $ 333 |
[1] | Fuel derivatives mature evenly over each quarter within the above fiscal years.

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- Definition Fair value as of the balance sheet date of all foreign currency derivative assets designated as cash flow hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624163-113959 + Details
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- Definition Fair value of all derivative assets designated as hedges of net investment in foreign operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624163-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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