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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Dec. 05, 2016
Dec. 03, 2016
Dec. 05, 2015
Dec. 03, 2016
Dec. 05, 2015
Feb. 27, 2016
Summary of Significant Accounting Policies [Line Items]            
Book Overdrafts   $ 88   $ 88   $ 79
Inventory, LIFO Reserve   218   218   $ 215
LIFO charge recorded   $ 1 $ 1 $ 3 $ 6  
Subsequent Event [Member]            
Summary of Significant Accounting Policies [Line Items]            
Professional Services Agreement Term 5 years          
Discontinued Operations, Held-for-sale or Disposed of by Sale [Member] | Save-A-Lot [Member] | Subsequent Event [Member]            
Summary of Significant Accounting Policies [Line Items]            
Disposal Group, Including Discontinued Operation, Consideration $ 1,365          
Estimated Closing Costs $ 64