XML 86 R68.htm IDEA: XBRL DOCUMENT v2.4.0.6
Compensation Plans - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Nov. 30, 2012
Nov. 30, 2011
Nov. 30, 2010
Nov. 30, 2012
Deferred Compensation, Share-based Payments
Nov. 30, 2011
Deferred Compensation, Share-based Payments
Nov. 30, 2010
Deferred Compensation, Share-based Payments
Nov. 30, 2012
Restricted Stock and Restricted Stock Units
Nov. 30, 2011
Restricted Stock and Restricted Stock Units
Nov. 30, 2010
Restricted Stock and Restricted Stock Units
Nov. 30, 2012
PBS
Nov. 30, 2010
Multiemployer Plans, Pension
MNOPF
Mar. 31, 2011
Multiemployer Plans, Pension
MNOPF
Mar. 31, 2012
Multiemployer Plans, Pension
MNRPF
Nov. 30, 2012
Cruise Support
Nov. 30, 2011
Cruise Support
Nov. 30, 2010
Cruise Support
Nov. 30, 2012
Cruise Support
Deferred Compensation, Share-based Payments
Nov. 30, 2011
Cruise Support
Deferred Compensation, Share-based Payments
Nov. 30, 2010
Cruise Support
Deferred Compensation, Share-based Payments
Nov. 30, 2012
Stock Option And Award Plans
Nov. 30, 2012
Employee Stock Option
Nov. 30, 2011
Employee Stock Option
Nov. 30, 2010
Employee Stock Option
Nov. 30, 2012
Employee Stock Option
Maximum
Nov. 30, 2012
Restricted Stock Awards
Nov. 30, 2012
Restricted Stock Awards
Maximum
Nov. 30, 2012
Restricted Stock Awards
Minimum
Nov. 30, 2012
Restricted Stock Units
Nov. 30, 2012
Restricted Stock Units
Maximum
Nov. 30, 2012
Restricted Stock Units
Minimum
Nov. 30, 2012
Pension Plans, Defined Benefit
Nov. 30, 2011
Pension Plans, Defined Benefit
Nov. 30, 2010
Pension Plans, Defined Benefit
Nov. 30, 2012
Defined Contribution Pension
Nov. 30, 2011
Defined Contribution Pension
Nov. 30, 2010
Defined Contribution Pension
Employee Benefits Disclosure [Line Items]                                                                        
Shares available for future grant                                       30.3                                
Share-based compensation expense $ 39 $ 46 $ 43                                                                  
Share-based compensation expense included in selling, general and administrative expense 1,720 1,717 1,614 36 42 40               114 103 98                                        
Share-based compensation expense included in cruise payroll expenses 1,742 1,723 1,611                           3 4 3                                  
Award vesting period description                                                 RSAs have been granted to certain officers and non-executive board members and either have three or five-year cliff vesting or vest evenly over five years after the grant date.     Carnival Corporation and Carnival plc grant RSUs that vest evenly over five years or at the end of three or five years after the grant date and accrue forfeitable dividend equivalents on each outstanding RSU, in the form of additional RSUs, based on dividends declared.                
RSAs and RSUs vesting period                                                   5 years 3 years   5 years 3 years            
PBS awards earnings per share growth period                   3 years                                                    
PBS award opportunity to earn, minimum                   0.00%                                                    
PBS award opportunity to earn, maximum                   200.00%                                                    
Share based awards, Grant date fair value             52 53 28                                                      
Unrecognized compensation cost             39                                                          
Weighted-average period over which cost is expected to be recognized             1 year 8 months 12 days     2 years 4 months 24 days                                                    
Intrinsic value of options exercised                                         7 18 17                          
Stock options expiration year                                               2016                        
Weighted-average discount rates                                                             3.50% 4.50%        
Funded percentage                       86.00% 72.00%                                              
Liability in cruise payroll and related expense                     41                                                  
Contributions to the MNRPF     5.00%                                                                  
Defined plan expense                                                             $ 45 $ 46 $ 85 $ 22 $ 21 $ 20