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Contingencies - Additional Information (Detail)
$ in Millions
Aug. 31, 2015
USD ($)
ship
Nov. 30, 2014
USD ($)
Loss Contingencies [Line Items]    
Required standby letter of credit if Carnival Corporation's credit rating falls below BBB
Lease Out And Lease Back Type Transactions    
Loss Contingencies [Line Items]    
Estimated contingent obligations $ 379  
Contingent Obligations, Number of Cruise Ships | ship 2  
Estimated termination payment in the event that Carnival Corporation were to default on its contingent obligations and assuming performance by all other participants $ 22  
Required standby letter of credit if Carnival Corporation's credit rating falls below BBB $ 31