Schedule of Goodwill (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 27, 2014	Dec. 28, 2013
Segment Reporting Information [Line Items]
Balance as of December 28, 2013	$ 398
Goodwill		1,656
Measurement period fair value adjustments	(7)
Accumulated impairment losses		(1,258)
Allocation to reporting units	(7)
Balance	391
Balance as of September 27, 2014	391
North American Retail Division
Segment Reporting Information [Line Items]
Goodwill		2
Accumulated impairment losses		(2)
Allocation to reporting units	78
Balance	78
Balance as of September 27, 2014	78
North American Business Solutions Division
Segment Reporting Information [Line Items]
Balance as of December 28, 2013	21
Goodwill		370
Accumulated impairment losses		(349)
Allocation to reporting units	277
Balance	298
Balance as of September 27, 2014	298
International Division
Segment Reporting Information [Line Items]
Goodwill		907
Accumulated impairment losses		(907)
Allocation to reporting units	15
Balance	15
Balance as of September 27, 2014	15
Corporate
Segment Reporting Information [Line Items]
Balance as of December 28, 2013	377
Goodwill		377
Measurement period fair value adjustments	(7)
Allocation to reporting units	$ (370)