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Summary of Significant Accounting Policies - Additional Information (Details)
$ in Millions
 4 Months Ended 12 Months Ended
Aug. 29, 2021
USD ($)
warehouse
states
Aug. 29, 2021
USD ($)
warehouse
states
Aug. 30, 2020
USD ($)
Sep. 01, 2019
USD ($)
Summary Of Significant Accounting Policies [Line Items]        
Number of warehouses operated | warehouse 815 815    
Credit and debit card receivables, at carrying value $ 1,816 $ 1,816 $ 1,636  
Bank Overdrafts 999 999 810  
Accrued insurance 1,257 1,257 1,188  
Reduction in sales   $ 2,047 1,707 $ 1,537
Minimum number of days of employment to qualify for retirement plan   90 days    
Defined contribution plan, cost recognized   $ 748 676 614
Impairment of Intangible Assets (Excluding Goodwill) 84      
Land 7,507 7,507 6,696  
Buildings and improvements 19,139 19,139 17,982  
Equipment and fixtures 9,505 9,505 8,749  
Construction in progress 1,507 1,507 1,276  
Gross property and equipment 37,658 37,658 34,703  
Accumulated Depreciation and Amortization (14,166) (14,166) (12,896)  
Property and Equipment, net 23,492 23,492 21,807 20,890
Goodwill $ 996 996 988 53
Goodwill, Foreign Currency Translation Gain (Loss)     1  
Goodwill, Acquired During Period     934  
Goodwill, Period Increase (Decrease)   $ 8    
UNITED STATES        
Summary Of Significant Accounting Policies [Line Items]        
Number of warehouses operated | warehouse 564 564    
Number of states in country | states 46 46    
UNITED STATES | Operating Segments        
Summary Of Significant Accounting Policies [Line Items]        
Property and Equipment, net $ 15,993 $ 15,993 14,916 14,367
Goodwill $ 953 953 947 13
Goodwill, Acquired During Period     934  
Goodwill, Purchase Accounting Adjustments   $ 6    
CANADA        
Summary Of Significant Accounting Policies [Line Items]        
Number of warehouses operated | warehouse 105 105    
CANADA | Operating Segments        
Summary Of Significant Accounting Policies [Line Items]        
Property and Equipment, net $ 2,317 $ 2,317 2,172 2,044
Goodwill $ 28 28 27 27
Goodwill, Foreign Currency Translation Gain (Loss)   $ 1 0  
Goodwill, Acquired During Period     0  
MEXICO        
Summary Of Significant Accounting Policies [Line Items]        
Number of warehouses operated | warehouse 39 39    
UNITED KINGDOM        
Summary Of Significant Accounting Policies [Line Items]        
Number of warehouses operated | warehouse 29 29    
JAPAN        
Summary Of Significant Accounting Policies [Line Items]        
Number of warehouses operated | warehouse 30 30    
KOREA        
Summary Of Significant Accounting Policies [Line Items]        
Number of warehouses operated | warehouse 16 16    
TAIWAN        
Summary Of Significant Accounting Policies [Line Items]        
Number of warehouses operated | warehouse 14 14    
AUSTRALIA        
Summary Of Significant Accounting Policies [Line Items]        
Number of warehouses operated | warehouse 12 12    
SPAIN        
Summary Of Significant Accounting Policies [Line Items]        
Number of warehouses operated | warehouse 3 3    
ICELAND        
Summary Of Significant Accounting Policies [Line Items]        
Number of warehouses operated | warehouse 1 1    
FRANCE        
Summary Of Significant Accounting Policies [Line Items]        
Number of warehouses operated | warehouse 1 1    
CHINA        
Summary Of Significant Accounting Policies [Line Items]        
Number of warehouses operated | warehouse 1 1    
Other International Operations | Operating Segments        
Summary Of Significant Accounting Policies [Line Items]        
Property and Equipment, net $ 5,182 $ 5,182 4,719 4,479
Goodwill 15 15 14 $ 13
Goodwill, Foreign Currency Translation Gain (Loss)   $ 1 1  
Goodwill, Acquired During Period     0  
Employees [Member]        
Summary Of Significant Accounting Policies [Line Items]        
Share-based compensation arrangement by share-based payment award, award vesting period   5 years    
Forward foreign exchange contracts        
Summary Of Significant Accounting Policies [Line Items]        
Derivative, Notional Amount 1,331 $ 1,331 1,036  
Membership [Member]        
Summary Of Significant Accounting Policies [Line Items]        
Deferred Revenue $ 2,042 $ 2,042 $ 1,851