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Summary of Significant Accounting Policies - Additional Information (Detail)
$ in Millions
3 Months Ended 6 Months Ended
Feb. 18, 2018
USD ($)
warehouse
states
Feb. 12, 2017
USD ($)
Feb. 18, 2018
USD ($)
warehouse
states
Feb. 12, 2017
USD ($)
Sep. 03, 2017
USD ($)
Summary Of Significant Accounting Policies [Line Items]          
Number of warehouses operated 747   747    
Gain (loss) on foreign currency derivative instruments not designated as hedging instruments | $   $ (29)      
Income Tax Expense (Benefit) | $ $ 273 $ 288 $ 558 $ 579  
Accounting Standards Update 2016-09 [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Income Tax Expense (Benefit) | $     (33)    
Forward Foreign-exchange Contracts          
Summary Of Significant Accounting Policies [Line Items]          
Notional amount of forward foreign-exchange derivative | $ $ 737   $ 737   $ 637
UNITED STATES          
Summary Of Significant Accounting Policies [Line Items]          
Number of warehouses operated 519   519    
Number of states in country | states 44   44    
CANADA          
Summary Of Significant Accounting Policies [Line Items]          
Number of warehouses operated 98   98    
MEXICO          
Summary Of Significant Accounting Policies [Line Items]          
Number of warehouses operated 37   37    
UNITED KINGDOM          
Summary Of Significant Accounting Policies [Line Items]          
Number of warehouses operated 28   28    
JAPAN          
Summary Of Significant Accounting Policies [Line Items]          
Number of warehouses operated 26   26    
KOREA          
Summary Of Significant Accounting Policies [Line Items]          
Number of warehouses operated 13   13    
TAIWAN          
Summary Of Significant Accounting Policies [Line Items]          
Number of warehouses operated 13   13    
AUSTRALIA          
Summary Of Significant Accounting Policies [Line Items]          
Number of warehouses operated 9   9    
SPAIN          
Summary Of Significant Accounting Policies [Line Items]          
Number of warehouses operated 2   2    
ICELAND          
Summary Of Significant Accounting Policies [Line Items]          
Number of warehouses operated 1   1    
FRANCE          
Summary Of Significant Accounting Policies [Line Items]          
Number of warehouses operated 1   1