Annual report pursuant to Section 13 and 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
12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]      
Market-Based Restricted Stock Units Performance Period (In Years) 3 years    
Share-based Compensation $ 1,546 $ 1,358 $ 1,444
Tax Benefit from Compensation Expense $ 399 520 616
Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]      
Award Requisite Service Period 4 years    
RSUs Vested in Period, Total Fair Value $ 2,000 1,600 1,600
RSUs Aggregate Intrinsic Value, Vested 1,200 $ 1,100 $ 1,300
Compensation Cost Not yet Recognized $ 2,100    
Compensation Cost Not yet Recognized, Period for Recognition 1 year 3 months    
Estimated Values And Weighted Average Assumptions [Abstract]      
Estimated values (in dollars per share) $ 48.95 $ 35.30 $ 29.76
Risk-free interest rate 2.40% 1.40% 0.90%
Dividend yield 2.40% 2.90% 3.30%
Restricted Stock Units Activity [Roll Forward]      
Number of RSUs outstanding, beginning balance 100.4    
Number of RSUs granted 36.4    
Number of RSUs vested (39.5)    
Number of RSUs forfeited (7.4)    
Number of RSUs outstanding, ending balance 89.9 100.4  
Number of RSUs expected to vest 85.3    
Weighted average grant date fair value, RSUs outstanding $ 39.07 $ 32.36  
Weighted average grant date fair value, RSUs granted 48.95    
Weighted average grant date fair value, RSUs vested 31.64    
Weighted average grant date fair value, RSUs forfeited 36.23    
Weighted average grant date fair value, RSUs expected to vest $ 38.92    
Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]      
Expiration Period 7 years    
Market-Based Restricted Stock Units (OSUs) [Member]      
Estimated Values And Weighted Average Assumptions [Abstract]      
Volatility (percent) 22.00% 23.00% 23.00%
Restricted Stock Units Activity [Roll Forward]      
Number of RSUs outstanding, ending balance 11.0    
Market-Based Restricted Stock Units (OSUs) [Member] | Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]      
Vesting range (percent) 0.00%    
Market-Based Restricted Stock Units (OSUs) [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]      
Vesting range (percent) 200.00%    
Stock Purchase Plan RIghts [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]      
Compensation Cost Not yet Recognized $ 20    
Compensation Cost Not yet Recognized, Period for Recognition 2 months    
Stock Purchase Plan Shares Issued in Period 13.7 14.5 16.5
Employee Purchases, Amount $ 468 $ 432 $ 415
2006 Equity Incentive Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]      
Number of Shares Authorized 786.0    
Number of Shares Available for Grant 185.0    
2006 Stock Purchase Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]      
Number of Shares Authorized 373.0    
Number of Shares Available for Grant 137.0    
Stock Purchase Plan, Purchase Price of Common Stock, Percent 85.00%