Quarterly report pursuant to Section 13 or 15(d)

Employee Equity Incentive Plans (Detail)

v3.10.0.1
Employee Equity Incentive Plans (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jul. 01, 2017
Jun. 30, 2018
Jul. 01, 2017
Dec. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Expense $ 387 $ 328 $ 820 $ 725  
Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement, Fair Value of RSUs Vested in Period     1,803    
Share-based Compensation Arrangement, Grant-date Fair Value of RSUs Vested in Period     $ 1,069    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]          
Number of RSUs outstanding, beginning balance     100.4    
Number of RSUs granted     32.5    
Number of RSUs vested     (34.7)    
Number of RSUs forfeited     (4.1)    
Number of RSUs outstanding, ending balance 94.1   94.1    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]          
Weighted-average grant date fair value of RSU balance (in dollars per share) $ 38.76   $ 38.76   $ 32.36
Weighted-average grant date fair value of granted RSUs (in dollars per share)     49.47    
Weighted-average grant date fair value of vested RSUs (in dollars per share)     30.82    
Weighted-average grant date fair value of forfeited RSUs (in dollars per share)     $ 34.02    
Stock Purchase Plan Rights [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement, Shares Issued     8.2 8.0  
Employee Purchases, Amount     $ 249 $ 235  
2006 Equity Incentive Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement, Number of Shares Available for Grant 186.0   186.0    
2006 Stock Purchase Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement, Number of Shares Available for Grant 142.0   142.0    
Share-based Compensation Arrangement, Percent of Purchase Price     85.00%