Reconciliation of Revenue from Segments to Consolidated (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 25, 2016	Jun. 27, 2015	Jun. 25, 2016	Jun. 27, 2015
Segment Reporting Information [Line Items]
Sales	$ 3,218	$ 3,440	$ 6,762	$ 7,317
North American Retail Division
Segment Reporting Information [Line Items]
Sales	1,249	1,342	2,755	2,995
North American Business Solutions Division
Segment Reporting Information [Line Items]
Sales	1,330	1,434	2,698	2,910
International Division
Segment Reporting Information [Line Items]
Sales	$ 639	$ 664	$ 1,309	$ 1,412