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Fair Value Measurements, Derivative Instruments and Hedging Activities - Reconciliation of Changes in Carrying Amounts of Goodwill (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Feb. 28, 2015
Goodwill [Roll Forward]  
Beginning Balance $ 3,127us-gaap_Goodwill
Foreign currency translation adjustment (72)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments
Ending Balance 3,055us-gaap_Goodwill
Accumulated goodwill impairment 153us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
North America Cruise Brands  
Goodwill [Roll Forward]  
Beginning Balance 1,898us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= ccl_NorthAmericaCruiseBrandsMember
Foreign currency translation adjustment 0us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments
/ us-gaap_StatementBusinessSegmentsAxis
= ccl_NorthAmericaCruiseBrandsMember
Ending Balance 1,898us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= ccl_NorthAmericaCruiseBrandsMember
EAA Cruise Brands  
Goodwill [Roll Forward]  
Beginning Balance 1,229us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= ccl_EuropeAustraliaAndAsiaCruiseBrandsMember
Foreign currency translation adjustment (72)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments
/ us-gaap_StatementBusinessSegmentsAxis
= ccl_EuropeAustraliaAndAsiaCruiseBrandsMember
Ending Balance $ 1,157us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= ccl_EuropeAustraliaAndAsiaCruiseBrandsMember