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Summary of Major Components of Merger, Restructuring and Other Operating Expenses, Net (Detail) - USD ($)
$ in Millions
 3 Months Ended
Apr. 01, 2017
Mar. 26, 2016
Merger related expenses    
Severance, retention, and relocation   $ 1
Transaction and integration $ 6 11
Facility closure, contract termination and other expenses, net 4 2
Total Merger related expenses 10 14
Staples Acquisition expenses    
Retention   2
Transaction   20
Total Staples Acquisition expenses   22
Comprehensive Business Review and Other Restructuring expenses    
Severance 9 3
Facility closure, contract termination, professional fees and other expenses, net 1  
Total Comprehensive Business Review and Other Restructuring expenses 10 3
Total Merger, restructuring and other operating expenses, net $ 20 $ 39