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Estimated Fair Values of Derivative Financial Instruments and Location on Consolidated Balance Sheets (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified |  |  |  |  | 1 Months Ended |  |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  |  |  |  |  |  |
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Nov. 30, 2012 | Nov. 30, 2011 | Nov. 30, 2012 Net investment hedges | Nov. 30, 2011 Net investment hedges | Jul. 31, 2012 Cash Flow Hedging | Jun. 30, 2012 Cash Flow Hedging | Nov. 30, 2012 Cash Flow Hedging Foreign currency zero cost collars | Nov. 30, 2012 Cash Flow Hedging Interest rate swaps | Nov. 30, 2011 Cash Flow Hedging Interest rate swaps | Nov. 30, 2011 Fair Value Hedging Interest rate swaps | Nov. 30, 2012 Fair Value Hedging Interest rate swaps Us Dollar | Nov. 30, 2012 Fair Value Hedging Interest rate swaps Sterling | Nov. 30, 2012 Maximum Cash Flow Hedging Interest rate swaps | Nov. 30, 2012 Maturing in One Year or Less Net investment hedges | Nov. 30, 2012 Maturing in One Year or Less Maximum Net investment hedges | Nov. 30, 2012 Maturing in July Twenty Seventeen Net investment hedges | Nov. 30, 2012 Maturing in July Twenty Seventeen Maximum Net investment hedges | Nov. 30, 2011 Fuel Derivatives Second Half 2012 | Nov. 30, 2012 Fuel Derivatives 2013 Maturity | Nov. 30, 2011 Fuel Derivatives 2013 Maturity | Nov. 30, 2012 Fuel Derivatives 2014 Maturity | Nov. 30, 2011 Fuel Derivatives 2014 Maturity | Nov. 30, 2012 Fuel Derivatives 2015 Maturity | Nov. 30, 2011 Fuel Derivatives 2015 Maturity
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total foreign currency forwards designated as hedges of net investments in foreign operations for euro-denominated functional currency |  |  | $ 235 | $ 183 |  |  |  |  |  |  |  |  |  | $ 91 |  | $ 144 |  |  |  |  |  |  |  |  |  |  |
Maturity of foreign currency derivatives |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2013-01 |  | 2017-07 |  |  |  |  |  |  |  |  |  |
Foreign currency zero cost collars that are designated as foreign currency cash flow hedges for euro-denominated shipbuilding contracts | 23 | 5 |  |  |  |  | 842 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  |  | 269 | 320 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date of derivative instruments |  |  |  |  | 2015-02 | 2013-05 |  |  |  |  | 2012-02 | 2012-06 | 2022-02 |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated percent of fuel consumption |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% | 40.00% | [1] | 10.00% | 32.00% | [1] | 10.00% | 26.00% | [1] | 10.00%
[1] | Fuel derivatives mature evenly over each month within the above fiscal periods.

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- Definition Aggregate fair value of all derivative assets designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611 Reference 2: 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. + Details
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- Definition The percentage of expected requirements covered by the aggregate notional amount of derivative contracts expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract as a percentage of expected need. + References No definition available. + Details
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- Definition Fair value as of the balance sheet date of all interest rate derivative assets designated as cash flow hedging instruments. + 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=7476318&loc=SL5624163-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 17 -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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