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Fair Value Measurements - Additional Information (Detail) - USD ($)
$ in Millions
4 Months Ended
Jun. 17, 2017
Jun. 18, 2016
Feb. 25, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Difference between fair value and book value of notes receivable $ 0   $ 0
Difference between fair value and book value of long-term debt 14    
Interest Rate Swap [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative, Fair Value, Effect of One Percentage Point Increase in Interest Rate 5    
Derivative, Fair Value, Effect of One Percentage Point Decrease in Interest Rate 2    
Cost of Sales [Member] | Fuel [Member] | Energy Related Derivative [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative, Gain on Derivative 0 $ 0  
Interest Expense [Member] | Interest Rate Swap [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative, Gain (Loss) on Derivative, Net $ 1 $ 1