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Reconciliation of Revenue from Segments to Consolidated (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 24, 2016
Sep. 26, 2015
Sep. 24, 2016
Sep. 26, 2015
Segment Reporting Information [Line Items]        
Sales $ 2,836 $ 3,046 $ 8,295 $ 8,961
North American Retail Division        
Segment Reporting Information [Line Items]        
Sales 1,482 1,604 4,237 4,599
North American Business Solutions Division        
Segment Reporting Information [Line Items]        
Sales 1,348 1,438 4,046 4,348
Other        
Segment Reporting Information [Line Items]        
Sales $ 6 $ 4 $ 12 $ 14