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Fair Value Measurements - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Sep. 08, 2018
Sep. 09, 2017
Sep. 08, 2018
Sep. 09, 2017
Feb. 24, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Difference between fair value and book value of notes receivable $ 4   $ 4   $ 1
Difference between fair value and book value of long-term debt 17   17   $ 23
Interest Rate Swap          
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     1    
Derivative, Fair Value, Effect of One Percentage Point Decrease in Interest Rate     1    
Interest expense, net | Interest Rate Swap          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Derivative, Gain (Loss) on Derivative, Net $ 0 $ 1 $ 0 $ 2