Quarterly report pursuant to Section 13 or 15(d)

Employee Equity Incentive Plans (Detail)

v2.3.0.15
Employee Equity Incentive Plans (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended 1 Months Ended 1 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended
Oct. 01, 2011
Sep. 25, 2010
Oct. 01, 2011
Sep. 25, 2010
Dec. 25, 2010
Oct. 01, 2011
Restricted Stock or Stock Units, 2006 Plan [Member]
May 31, 2011
2006 Equity Incentive Plan [Member]
Oct. 01, 2011
2006 Equity Incentive Plan [Member]
May 31, 2011
Stock Purchase Plan [Member]
Oct. 01, 2011
Stock Purchase Plan [Member]
Years
Sep. 25, 2010
Stock Purchase Plan [Member]
Years
Oct. 01, 2011
Stock Purchase Plan [Member]
Years
Sep. 25, 2010
Stock Purchase Plan [Member]
Years
Oct. 01, 2011
Restricted Stock Units (RSUs) [Member]
Sep. 25, 2010
Restricted Stock Units (RSUs) [Member]
Oct. 01, 2011
Restricted Stock Units (RSUs) [Member]
Sep. 25, 2010
Restricted Stock Units (RSUs) [Member]
Dec. 25, 2010
Restricted Stock Units (RSUs) [Member]
Oct. 01, 2011
Stock Option Awards [Member]
Years
Sep. 25, 2010
Stock Option Awards [Member]
Years
Oct. 01, 2011
Stock Option Awards [Member]
Years
Sep. 25, 2010
Stock Option Awards [Member]
Years
Oct. 01, 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               308   254   254                      
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                       18.5 17.2                    
Employee Purchases, Amount                       $ 318 $ 281                    
Share-based Compensation 250 224 812 704                                      
Restricted Stock Units, Stock Options, And Stock Purchase Plan Estimated Values And Weighted Average Assumptions [Abstract]                                              
Estimated values (in dollars per share)                           $ 21.37 $ 20.58 $ 19.80 $ 22.64            
Risk-free interest rate                           0.50% 0.60% 0.70% 1.10%            
Dividend yield                           3.60% 2.90% 3.40% 2.60%            
Volatility (in decimal ratio)                   28.00% 32.00% 26.00% 32.00% 26.00% 33.00% 27.00% 31.00%   26.00% 33.00% 26.00% 28.00%  
Estimated values (in dollars per share)                   $ 4.90 $ 4.82 $ 4.69 $ 4.71           $ 3.82 $ 5.13 $ 3.88 $ 4.84  
Expected life (in years)                   0.5 0.5 0.5 0.5           5.4 4.8 5.3 4.9  
Risk-free interest rate                   0.20% 0.30% 0.20% 0.20%           1.70% 2.50% 2.20% 2.60%  
Dividend yield                   3.70% 3.00% 3.60% 3.10%           3.60% 2.90% 3.40% 2.70%  
Restricted Stock Unit Activity [Abstract]                                              
Number of RSUs outstanding, beginning balance                               99.8             4.0
Number of RSUs granted                               41.8              
Number of RSUs assumed in acquisition                               5.8              
Number of RSUs vested                               (34.3)              
Number of RSUs forfeited                               (3.7)              
Number of RSUs outstanding, ending balance                           109.4   109.4             4.0
Weighted-average grant date fair value of RSU balance (in dollars per share)                           $ 19.16   $ 19.16   $ 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)                               $ 18.51              
Weighted-average grant date fair value of forfeited RSUs (in dollars per share)                               $ 19.03              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value                               679              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Intrinsic Value Amount                               635              
Stock Option Activity [Abstract]                                              
Number of options outstanding, beginning balance     386.4                                        
Number of options granted     14.1                                        
Number of options assumed in acquisition     11.8                                        
Number of options exercised     (32.3)                                        
Number of options cancelled and forfeited     (7.8)                                        
Number of options expired     (17.9)                                        
Number of options outstanding, ending balance 354.3   354.3                                        
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)     $ 21.39                                        
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)     $ 18.85                                        
Weighted-average exercise price for stock option cancellations and forfeitures during the year (in dollars per share)     $ 20.40                                        
Weighted-average exercise price for stock option expirations during the year (in dollars per share)     $ 24.96                                        
Options exercisable 237.3   237.3   263.0                                    
Weighted-average exercise price for options exercisable (in dollars per share) $ 20.70   $ 20.70   $ 21.03                                    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value     $ 120