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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) (Financial Instruments Measured at Fair Value on a Recurring Basis, USD $) In Millions | May 31, 2011 | Nov. 30, 2010
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Ship Foreign Currency Options |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total foreign currency options designated as foreign currency cash flow hedges for euro-denominated shipbuilding contracts |  | $ 785
Maturity of foreign currency derivatives |  | May 2011
Net investment hedges |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total foreign currency forwards designated as hedges of net investments in foreign operations for euro-denominated functional currency | 216 | 352
Maturity of foreign currency derivatives | July 2017 |
Interest rate swaps |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
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 | 530 | 512
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 | $ 344 | $ 333
Maturity of interest rate swaps | February 2022 |

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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FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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