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Fair Value Measurements, Derivative Instruments and Hedging Activities - Foreign Currency Exchange Risks (Details) (USD $)
12 Months Ended
Nov. 30, 2014
Nov. 30, 2013
Nov. 30, 2012
Jun. 16, 2014
Jul. 31, 2012
Jan. 22, 2015
Fair Value, Measurement Inputs, Disclosure [Line Items]            
Cumulative foreign currency transaction gains and (losses) included in the cumulative translation adjustment component of AOCI $ 359,000,000ccl_AccumulatedOtherComprehensiveIncomeGainLossNetInvestmentHedgeNetOfTax $ 234,000,000ccl_AccumulatedOtherComprehensiveIncomeGainLossNetInvestmentHedgeNetOfTax        
Foreign currency translation adjustment 125,000,000us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax (9,000,000)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax 39,000,000us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax      
Foreign currency contract commitments 1,700,000,000us-gaap_FairValueConcentrationOfRiskForeignCurrencyContracts          
Percentage of debt bore fixed interest rates, including the effect of interest rate swaps 52.00%us-gaap_LongTermDebtPercentageBearingFixedInterestRate 59.00%us-gaap_LongTermDebtPercentageBearingFixedInterestRate        
Percentage of debt bore floating interest rates, including the effect of interest rate swaps 48.00%us-gaap_LongTermDebtPercentageBearingVariableInterestRate 41.00%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 2,400,000,000us-gaap_NotionalAmountOfNonderivativeInstruments
/ us-gaap_DebtInstrumentAxis
= ccl_ForeignCurrencyIntercompanyPayableMember
2,200,000,000us-gaap_NotionalAmountOfNonderivativeInstruments
/ us-gaap_DebtInstrumentAxis
= ccl_ForeignCurrencyIntercompanyPayableMember
       
Cash Flow Hedging | Maximum            
Fair Value, Measurement Inputs, Disclosure [Line Items]            
Currency exchange risk hedged       281,000,000us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
287,000,000us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
 
Cash Flow Hedging | Minimum            
Fair Value, Measurement Inputs, Disclosure [Line Items]            
Currency exchange risk hedged       274,000,000us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
266,000,000us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
 
Princess Cruises | Subsequent Event | Cash Flow Hedging | Maximum            
Fair Value, Measurement Inputs, Disclosure [Line Items]            
Currency exchange risk hedged           590,000,000us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= ccl_PrincessCruisesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Princess Cruises | Subsequent Event | Cash Flow Hedging | Minimum            
Fair Value, Measurement Inputs, Disclosure [Line Items]            
Currency exchange risk hedged           504,000,000us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= ccl_PrincessCruisesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Seabourn Cruises | Subsequent Event | Cash Flow Hedging | Maximum            
Fair Value, Measurement Inputs, Disclosure [Line Items]            
Currency exchange risk hedged           221,000,000us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= ccl_SeabournCruisesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Seabourn Cruises | Subsequent Event | Cash Flow Hedging | Minimum            
Fair Value, Measurement Inputs, Disclosure [Line Items]            
Currency exchange risk hedged           $ 185,000,000us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= ccl_SeabournCruisesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember