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Fair Value Measurements, Derivative Instruments and Hedging Activities - Foreign Currency Exchange Rate Risks (Detail) (USD $) | 3 Months Ended | 0 Months Ended | 1 Months Ended |
--- | --- | --- | --- | ---
Feb. 28, 2015 | Feb. 28, 2014 | Feb. 28, 2015 | Nov. 30, 2014 | Feb. 28, 2015 | Jan. 31, 2015
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |  |  |
Cumulative foreign currency transaction gains and (losses) included in the cumulative translation adjustment component of AOCI | $ 431,000,000 ccl_AccumulatedOtherComprehensiveIncomeGainLossNetInvestmentHedgeNetOfTax |  | $ 431,000,000 ccl_AccumulatedOtherComprehensiveIncomeGainLossNetInvestmentHedgeNetOfTax | $ 359,000,000 ccl_AccumulatedOtherComprehensiveIncomeGainLossNetInvestmentHedgeNetOfTax | $ 431,000,000 ccl_AccumulatedOtherComprehensiveIncomeGainLossNetInvestmentHedgeNetOfTax |
Foreign currency transaction gains (losses) | 72,000,000 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax | (40,000,000)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax |  |  |  |
Foreign currency contract commitments | 1,600,000,000 us-gaap_FairValueConcentrationOfRiskForeignCurrencyContracts |  | 1,600,000,000 us-gaap_FairValueConcentrationOfRiskForeignCurrencyContracts |  | 1,600,000,000 us-gaap_FairValueConcentrationOfRiskForeignCurrencyContracts |
Percentage of debt bore fixed interest rates, including the effect of interest rate swaps | 49.00%us-gaap_LongTermDebtPercentageBearingFixedInterestRate |  | 49.00%us-gaap_LongTermDebtPercentageBearingFixedInterestRate | 52.00%us-gaap_LongTermDebtPercentageBearingFixedInterestRate | 49.00%us-gaap_LongTermDebtPercentageBearingFixedInterestRate |
Percentage of debt bore floating interest rates, including the effect of interest rate swaps | 51.00%us-gaap_LongTermDebtPercentageBearingVariableInterestRate |  | 51.00%us-gaap_LongTermDebtPercentageBearingVariableInterestRate | 48.00%us-gaap_LongTermDebtPercentageBearingVariableInterestRate | 51.00%us-gaap_LongTermDebtPercentageBearingVariableInterestRate |
Foreign Currency Intercompany Payable |  |  |  |  |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |  |  |
Designated debt and other obligations as non-derivative hedges of net investments in foreign operations |  |  | 1,800,000,000 us-gaap_NotionalAmountOfNonderivativeInstruments / us-gaap_DebtInstrumentAxis = ccl_ForeignCurrencyIntercompanyPayableMember | 2,400,000,000 us-gaap_NotionalAmountOfNonderivativeInstruments / us-gaap_DebtInstrumentAxis = ccl_ForeignCurrencyIntercompanyPayableMember |  |
Foreign currency zero cost collars | Princess Cruises | Cash Flow Hedging | Maximum |  |  |  |  |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |  |  |
Currency exchange risk hedged |  |  |  |  |  | 590,000,000 us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeOptionMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_PropertyPlantAndEquipmentByTypeAxis = ccl_PrincessCruisesMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Foreign currency zero cost collars | Princess Cruises | Cash Flow Hedging | Minimum |  |  |  |  |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |  |  |
Currency exchange risk hedged |  |  |  |  |  | 504,000,000 us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeOptionMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_PropertyPlantAndEquipmentByTypeAxis = ccl_PrincessCruisesMember / us-gaap_RangeAxis = us-gaap_MinimumMember
Foreign currency zero cost collars | Seabourn Cruises | Cash Flow Hedging | Maximum |  |  |  |  |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |  |  |
Currency exchange risk hedged |  |  |  |  |  | 221,000,000 us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeOptionMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_PropertyPlantAndEquipmentByTypeAxis = ccl_SeabournCruisesMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Foreign currency zero cost collars | Seabourn Cruises | Cash Flow Hedging | Minimum |  |  |  |  |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |  |  |
Currency exchange risk hedged |  |  |  |  |  | 185,000,000 us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeOptionMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_PropertyPlantAndEquipmentByTypeAxis = ccl_SeabournCruisesMember / us-gaap_RangeAxis = us-gaap_MinimumMember
Foreign currency zero cost collars | P&O Cruises (UK) Britannia | Cash Flow Hedging |  |  |  |  |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |  |  |
Settlement of foreign currency zero cost collars, amount of loss recognized in other comprehensive loss |  |  |  |  | $ 33,000,000 us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeOptionMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_PropertyPlantAndEquipmentByTypeAxis = ccl_POCruisesUKBritanniaMember |

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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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- Definition The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32022-110900 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32157-110900 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32211-110900 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (a-c) -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580 + Details
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