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Merger, Acquisition Termination and Restructuring Activity - Additional Information (Detail)
$ in Millions
1 Months Ended 3 Months Ended
Aug. 31, 2016
Store
Mar. 26, 2016
USD ($)
Apr. 01, 2017
USD ($)
Store
Mar. 26, 2016
USD ($)
Business Acquisition [Line Items]        
Number of retail stores closed under real estate strategy | Store     400  
Supply chain closure anticipated completion year     2017  
Severance expense   $ 3    
Merger, restructuring and other operating expenses, net     $ 20 $ 39
Charges Incurred     11  
Transaction and integration     6 $ 11
Property expenses, professional fees, non-cash items and other expenses     1  
Comprehensive Business Review        
Business Acquisition [Line Items]        
Number of retail stores planned to be closed | Store 300      
Retail stores closure period 3 years      
Merger, restructuring and other operating expenses, net        
Business Acquisition [Line Items]        
Gain on sale of warehouse facilities classified as assets held for sale     1  
Charges Incurred     9  
Property expenses, professional fees, non-cash items and other expenses     $ 4