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Stock-Based Compensation Plans - Additional Information (Detail) - USD ($)
$ in Millions
6 Months Ended
Feb. 13, 2022
Aug. 29, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares 3,524,000 4,349,000
2019 Incentive Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Additional number of shares authorized 17,500,000  
Restricted Stock Units (RSUs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Additional number of shares authorized 10,000,000  
Number of shares available to be granted 10,388,000  
Time-based RSUs awards outstanding 3,403,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares 39,000  
Unrecognized compensation cost $ 985  
Weighted-average recognition period 1 year 9 months 18 days  
Performance Shares [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Outstanding performance-based RSUs awards granted, subject to achievement of performance targets 82,000  
Maximum [Member] | 2019 Incentive Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares available to be granted 27,800,000  
Maximum [Member] | Restricted Stock Units (RSUs)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares available to be granted 15,885,000