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Debt Obligations and Commitments - Additional Information (Detail) - USD ($)
$ in Millions
8 Months Ended
Sep. 08, 2018
Jun. 05, 2017
Debt Instrument [Line Items]    
Repayments of Debt $ 2,500  
Five-year Unsecured Revolving Credit Agreement (Five-Year Credit Agreement Member) [Domain]    
Debt Instrument [Line Items]    
Line of Credit Facility, Current Borrowing Capacity 3,750 $ 3,750
Line of Credit Facility, Maximum Borrowing Capacity 4,500  
364-Day Unsecured Revolving Credit Agreement (364-Day Credit Agreement Member) [Domain]    
Debt Instrument [Line Items]    
Line of Credit Facility, Current Borrowing Capacity 3,750 $ 3,750
Line of Credit Facility, Maximum Borrowing Capacity $ 4,500