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Employee Equity Incentive Plans (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended
Jul. 02, 2011
Jun. 26, 2010
Jul. 02, 2011
Jun. 26, 2010
Dec. 25, 2010
Jul. 02, 2011
Restricted Stock or Stock Units, 2006 Plan [Member]
Jul. 02, 2011
2006 Equity Incentive Plan [Member]
May 31, 2011
2006 Equity Incentive Plan [Member]
Jul. 02, 2011
Stock Purchase Plan [Member]
Jul. 02, 2011
Stock Purchase Plan [Member]
Y
Jun. 26, 2010
Stock Purchase Plan [Member]
Y
May 31, 2011
Stock Purchase Plan [Member]
Jul. 02, 2011
Restricted Stock Units [Member]
Jun. 26, 2010
Restricted Stock Units [Member]
Jul. 02, 2011
Restricted Stock Units [Member]
Jun. 26, 2010
Restricted Stock Units [Member]
Dec. 25, 2010
Restricted Stock Units [Member]
Jul. 02, 2011
Stock Option Awards [Member]
Y
Jun. 26, 2010
Stock Option Awards [Member]
Y
Jul. 02, 2011
Stock Option Awards [Member]
Y
Jun. 26, 2010
Stock Option Awards [Member]
Y
Jul. 02, 2011
Market-based restricted stock units [Member]
Employee Equity Incentive Plans, (Textual) (Details) [Abstract]                                            
Share-based Compensation Arrangement by Share-based Payment Award, Number Of Additional Shares Approved By Stockholders For Issuance               168       133                    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized           394 596   373 373                        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant             309   263 263                        
Share-based Compensation Arrangement by Share-based Payment Award, Percent of Market Price                 85.00%                          
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period                   10.3 9.8                      
Employee Purchases, Amount                   $ 181 $ 161                      
Share-based Compensation 262 232 562 480                                    
Restricted Stock Units, Stock Options, And Stock Purchase Plan Estimated Values And Weighted Average Assumptions [Abstract]                                            
Estimated values (in dollars per share)                         $ 19.55 $ 22.56 $ 19.76 $ 22.71            
Risk-free interest rate                         0.70% 1.10% 0.80% 1.10%            
Dividend yield                         3.40% 2.60% 3.40% 2.60%            
Volatility (in decimal ratio)                   23.00% 32.00%       27.00% 30.00%   26.00% 27.00% 26.00% 28.00%  
Estimated values (in dollars per share)                   $ 4.41 $ 4.57             $ 3.89 $ 4.87 $ 3.89 $ 4.83  
Expected life (in years)                   0.5 0.5             5.4 4.7 5.3 5.0  
Risk-free interest rate                   0.20% 0.20%             2.30% 2.50% 2.30% 2.60%  
Dividend yield                   3.40% 3.20%             3.40% 2.60% 3.40% 2.70%  
Restricted Stock Unit Activity [Abstract]                                            
Number of RSUs outstanding, beginning balance                             99.8             4.0
Number of RSUs granted                             40.7              
Number of RSUs assumed in acquisition                             5.8              
Number of RSUs vested                             (33.2)              
Number of RSUs forfeited                             (2.8)              
Number of RSUs outstanding, ending balance                         110.3   110.3             4.0
Weighted-average grant date fair value of RSU balance (in dollars per share)                         $ 19.14   $ 19.14   $ 18.56          
Weighted-average grant date fair value of RSUs assumed in acquisition (in dollars per share)                             $ 20.80              
Weighted-average grant date fair value of vested RSUs (in dollars per share)                             $ 18.41              
Weighted-average grant date fair value of forfeited RSUs (in dollars per share)                             $ 19.29              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value                             653              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Intrinsic Value Amount                             611              
Stock Option Activity [Abstract]                                            
Number of options outstanding, beginning balance     386.4                                      
Number of options granted     13.1                                      
Number of options assumed in acquisition     11.8                                      
Number of options exercised     (22.0)                                      
Number of options cancelled and forfeited     (6.0)                                      
Number of options expired     (16.6)                                      
Number of options outstanding, ending balance 366.7   366.7                                      
Weighted-average exercise price of stock options (in dollars per share) $ 20.25   $ 20.25   $ 20.45                                  
Weighted-average exercise price for stock option grants during the year (in dollars per share)     $ 21.27                                      
Weighted-average exercise price for stock option assumed in acquisition during the year (in dollars per share)     $ 15.95                                      
Weighted-average exercise price for stock option exercises during the year (in dollars per share)     $ 18.59                                      
Weighted-average exercise price for stock option cancellations and forfeitures during the year (in dollars per share)     $ 20.03                                      
Weighted-average exercise price for stock option expirations during the year (in dollars per share)     $ 25.01                                      
Options exercisable 248.7   248.7   263.0                                  
Weighted-average exercise price for options exercisable (in dollars per share) $ 20.69   $ 20.69   $ 21.03                                  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value     $ 89