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Fair Value Measurements, Derivative Instruments and Hedging Activities - Derivatives Qualifying and Designated as Hedging Instruments Recognized in Other Comprehensive Income (Detail) (USD $) | 3 Months Ended |
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Feb. 28, 2015 | Feb. 28, 2014 | Nov. 30, 2014
Fuel |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Collateral posted | $ 15,000,000 us-gaap_CollateralAlreadyPostedAggregateFairValue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember |  |
Collateral required to be received | 0 ccl_CollateralRequiredtobeReceived / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember |  | 0 ccl_CollateralRequiredtobeReceived / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember
Collateral required to be posted |  |  | 0 ccl_CollateralRequiredtobePosted / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CommodityContractMember
Minimum |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset, cash collateral netting threshold, fair value | 100,000,000 ccl_DerivativeCashCollateralToBePostedOrReceivedFairValue / us-gaap_RangeAxis = us-gaap_MinimumMember |  |
Net investment hedges | Designated as hedging instruments |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Effective portions of derivatives qualifying and designated as hedging instruments recognized in other comprehensive income | 39,000,000 us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet / us-gaap_FinancialInstrumentAxis = us-gaap_NetInvestmentHedgingMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember | 2,000,000 us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet / us-gaap_FinancialInstrumentAxis = us-gaap_NetInvestmentHedgingMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember |
Foreign currency zero cost collars | Designated as hedging instruments |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Effective portions of derivatives qualifying and designated as hedging instruments recognized in other comprehensive income | (37,000,000)us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet / us-gaap_FinancialInstrumentAxis = us-gaap_ForeignExchangeOptionMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember | (3,000,000)us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet / us-gaap_FinancialInstrumentAxis = us-gaap_ForeignExchangeOptionMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember |
Interest Rate Swaps | Designated as hedging instruments |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Effective portions of derivatives qualifying and designated as hedging instruments recognized in other comprehensive income | $ (2,000,000)us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet / us-gaap_FinancialInstrumentAxis = us-gaap_InterestRateSwapMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember | $ (4,000,000)us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet / us-gaap_FinancialInstrumentAxis = us-gaap_InterestRateSwapMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember |

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- Definition Collateral Required to be Posted + References No definition available. + Details
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- Definition Collateral Required to be Received + References No definition available. + Details
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- Definition Interest-bearing, non-restricted cash to be posted or received as collateral to the extent the fuel derivative fair value payable to or receivable from an individual counterparty, respectively, exceeds the contractual threshold. + References No definition available. + Details
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- Definition The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624258-113959 + Details
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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 + Details
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- Details
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- Details
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- Details
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