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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
$ in Millions
4 Months Ended
Jun. 16, 2018
Jun. 17, 2017
Feb. 24, 2018
Accounting Policies [Abstract]      
Book overdrafts $ 116   $ 144
Inventory, LIFO Reserve 201   $ 199
LIFO charge recorded $ 2 $ 1