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Fair Value Measurements, Derivative Instruments and Hedging Activities - Additional Information (Detail) (USD $)
3 Months Ended 3 Months Ended 3 Months Ended
Feb. 29, 2012
Feb. 28, 2011
Nov. 30, 2011
Feb. 29, 2012
Fuel
Jul. 31, 2011
Ibero Cruise
Feb. 29, 2012
Euro And Sterling Debt And Other Obligations
Nov. 30, 2011
Euro And Sterling Debt And Other Obligations
Feb. 29, 2012
Princess
Contract
Feb. 29, 2012
P And O Cruises UK
Contract
Feb. 29, 2012
Foreign Exchange Contract
Cash Flow Hedging
Feb. 28, 2011
Foreign Exchange Contract
Cash Flow Hedging
Feb. 29, 2012
Foreign Exchange Contract
Net investment hedges
Feb. 28, 2011
Foreign Exchange Contract
Net investment hedges
Feb. 29, 2012
Minimum
Jul. 31, 2011
Minimum
Jul. 31, 2011
Maximum
Feb. 29, 2012
Maximum
Euro And Sterling Debt And Other Obligations
Fair Value, Measurement Inputs, Disclosure [Line Items]                                  
Percentage of weighted average cost of capital adjusted for risk                             10.00% 13.00%  
Percentage by which Ibero's estimated fair value exceeds its carrying value         2.00%                        
Amount by which Ibero's estimated fair value exceeds its carrying value         $ 12,000,000                        
Ibero goodwill impairment charge 153,000,000                                
Accumulated goodwill impairment charges 153,000,000                                
Ibero trademarks impairment charge 20,000,000                                
Effective portions of derivative gains and (losses) recognized in other comprehensive income (loss)                   (7,000,000) 37,000,000 1,000,000 (18,000,000)        
Unrealized net gains (losses) on fuel derivatives       21,000,000                          
Derivative asset, cash collateral netting, fair value                           100,000,000      
Designated debt and other obligations as nonderivative hedges of net investments in foreign operations           3,300,000,000 3,600,000,000                    
Foreign currency contract commitments           2,000,000,000                      
Debt and other obligations maturity year                                 2021
Cumulative foreign currency transaction gains and (losses) included in the cumulative translation adjustment component of AOCI 144,000,000   204,000,000                            
Foreign currency translation adjustment $ 60,000,000 $ 91,000,000                              
Percentage of debt bore fixed interest rates, including the effect of interest rate swaps 63.00%   65.00%                            
Percentage of debt bore floating interest rates, including the effect of interest rate swaps 37.00%   35.00%                            
Number of foreign currency contracts               2 1