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Stock-Based Compensation (Details Numeric) (USD $)
In Millions, except Share data, unless otherwise specified
 12 Months Ended 12 Months Ended 12 Months Ended
Nov. 30, 2012
Dec. 02, 2011
Dec. 03, 2010
Nov. 28, 2008
Non-Employee Director [Member]
Nov. 30, 2012
New Non-Employee Directors [Member]
Nov. 30, 2012
Existing Non-Employee Directors [Member]
Nov. 30, 2012
Current Year Program [Member]
Dec. 02, 2011
Program 2011 [Member]
Dec. 03, 2010
Program 2010 [Member]
Nov. 30, 2012
2003 Plan [Member]
Nov. 30, 2012
2005 Assumption Plan [Member]
Nov. 30, 2012
Restricted Stock Plan [Member]
Nov. 30, 2012
Stock Options [Member]
Nov. 30, 2012
Stock Options [Member]
Non-Employee Director [Member]
Nov. 28, 2008
Stock Options [Member]
Non-Employee Director [Member]
Nov. 30, 2012
Stock Options [Member]
Existing Non-Employee Directors [Member]
Nov. 30, 2012
Stock Options [Member]
Existing Non-Employee Directors [Member]
100% Options [Member]
Nov. 30, 2012
Stock Options [Member]
Existing Non-Employee Directors [Member]
50% Options and 50% Restricted Stock Units [Member]
Nov. 30, 2012
Restricted Stock Unit [Member]
New Non-Employee Directors [Member]
Nov. 30, 2012
Restricted Stock Unit [Member]
Existing Non-Employee Directors [Member]
Nov. 30, 2012
Restricted Stock Unit [Member]
Existing Non-Employee Directors [Member]
100% Resticted Stock Units [Member]
Nov. 30, 2012
Restricted Stock Unit [Member]
Existing Non-Employee Directors [Member]
50% Options and 50% Restricted Stock Units [Member]
Nov. 30, 2012
Restricted Stock Unit [Member]
Restricted Stock Plan [Member]
Nov. 30, 2012
Employee Stock Purchase Plan [Member]
purchaseperiods
Dec. 02, 2011
Employee Stock Purchase Plan [Member]
Dec. 03, 2010
Employee Stock Purchase Plan [Member]
Nov. 30, 2012
Performance Shares [Member]
Stock Based Compensation (Numeric) [Abstract]                                                      
Closing market values (per share) $ 34.61 $ 27.11 $ 29.14                                                
Award vesting period                         4 years 0 months 0 days     1 year 0 months 0 days     2 years 0 months 0 days 1 year 0 months 0 days     4 years 0 months 0 days       3 years 0 months 0 days
Period of options expiry                           7 years 0 months 0 days 10 years 0 months 0 days                        
Common stock shares reserved for Issuance                   136,900,000 5,500,000 16,000,000                       93,000,000      
Shares available for grant                   36,600,000 1,400,000 12,000                       19,200,000      
ESPP Purchase Price as Percentage of Market Price                                               85.00%      
Offering Period                                               0 years 24 months 0 days      
Number of purchase periods per offering period                                               4      
Purchase period                                               0 years 6 months 0 days      
Weighted Average Subscription Date Fair Value of Shares (per share)                                               $ 9.09 $ 9.01 $ 7.43  
Shares Purchased, ESPP                                               3,200,000 3,700,000 3,300,000  
Average purchase price of shares, ESPP (per share)                                               $ 23.81 $ 23.48 $ 20.19  
Shares Purchased Intrinsic Value, ESPP                                               $ 22.8 $ 28.9 $ 33.9  
Maximum percentage of target shares able to receive             150.00%   150.00%                                    
Actual percentage achieved               130.00% 135.00%                                    
Number of shares achieved               500,000 300,000                                    
Portion of shares vesting on the later of the date of certification of achievement or the first anniversary date of the grant                                                     33.33%
Portion vesting evenly on following two annual anniversary dates of the grant, contingent upon the recipient's continued service to Adobe                                                     66.67%
Vesting percentage per year for performance awards and most restricted stock units                       25.00%                              
Vesting percentage per year for grants to non-employee directors       25.00%   100.00%                         50.00%                
Non-Employee Director Aggregate Grant Value Per Award         0.5 0.2                                          
Numbers of days used to calculate the aggregate value of the equity award           0 years 0 months 30 days                         0 years 0 months 30 days                
Annual equity grant percentage election by director of 100% options, 100% restricted stock units or 50% of each                                 100.00% 50.00%     100.00% 50.00%          
Conversion ratio for target grant value of restricted stock units to stock options           3                                          
Unrecognized compensation cost, adjusted for estimated forfeitures, related to non-vested stock based awards (in millions) $ 456.3                                                    
Number of years over which unrecognized compensation costs will be recognized 2 years 2 months 27 days