Annual report pursuant to Section 13 and 15(d)

Employee Equity Incentive Plans (Detail)

v3.21.4
Employee Equity Incentive Plans (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Dec. 25, 2021
Dec. 26, 2020
Dec. 28, 2019
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 Payment Arrangement, Noncash Expense $ 2,036 $ 1,854 $ 1,705
Tax Benefit from Compensation Expense $ 377 380 359
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 $ 1,700 1,900 1,900
RSUs Aggregate Intrinsic Value, Vested 1,400 $ 1,300 $ 1,300
Compensation Cost Not yet Recognized $ 3,800    
Compensation Cost Not yet Recognized, Period for Recognition 1 year 6 months    
Estimated Values And Weighted Average Assumptions [Abstract]      
Estimated values (in dollars per share) $ 50.82 $ 54.82 $ 48.06
Risk-free interest rate 0.20% 0.40% 2.30%
Dividend yield 2.60% 2.30% 2.50%
Restricted Stock Units Activity [Roll Forward]      
Number of RSUs outstanding, beginning balance 82.7    
Number of RSUs granted 76.8    
Number of RSUs vested (30.2)    
Number of RSUs forfeited (11.3)    
Number of RSUs outstanding, ending balance 118.0 82.7  
Number of RSUs expected to vest 105.9    
Weighted average grant date fair value, RSUs outstanding $ 51.29 $ 50.14  
Weighted average grant date fair value, RSUs granted 50.82    
Weighted average grant date fair value, RSUs vested 47.64    
Weighted average grant date fair value, RSUs forfeited 49.48    
Weighted average grant date fair value, RSUs expected to vest $ 51.47    
Share-based Payment Arrangement, Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]      
Expiration Period 10 years    
Market-Based Restricted Stock Units (OSUs) [Member]      
Estimated Values And Weighted Average Assumptions [Abstract]      
Volatility (percent) 37.00% 30.00% 25.00%
Restricted Stock Units Activity [Roll Forward]      
Number of RSUs outstanding, ending balance 15.0    
Market-Based Restricted Stock Units (OSUs) [Member] | Minimum      
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      
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 $ 48    
Compensation Cost Not yet Recognized, Period for Recognition 2 months    
Stock Purchase Plan Shares Issued in Period 22.0 21.0 17.0
Employee Purchases, Amount $ 925 $ 876 $ 688
2006 Equity Incentive Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]      
Number of Shares Authorized 866.0    
Number of Shares Available for Grant 128.0    
2006 Stock Purchase Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]      
Number of Shares Authorized 523.0    
Number of Shares Available for Grant 227.0    
Stock Purchase Plan, Purchase Price of Common Stock, Percent 85.00%