Reconciliation of Revenue from Segments to Consolidated (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2017	Jun. 25, 2016	Jul. 01, 2017	Jun. 25, 2016
Segment Reporting Information [Line Items]
Sales	$ 2,363	$ 2,583	$ 5,039	$ 5,459
Retail Division
Segment Reporting Information [Line Items]
Sales	1,111	1,249	2,469	2,755
Business Solutions Division
Segment Reporting Information [Line Items]
Sales	1,248	1,330	2,563	2,698
Other
Segment Reporting Information [Line Items]
Sales	$ 4	$ 4	$ 7	$ 6