Merger, Restructuring and Other Accruals - Additional Information (Detail) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2015 USD ($)	Sep. 27, 2014 USD ($)	Sep. 26, 2015 USD ($) Store	Sep. 27, 2014 USD ($)
Merger Restructuring And Other Operating Expenses [Line Items]
Number of retail stores expected to be closed through 2016 | Store			400
Number of retail stores expected to be closed in 2015 | Store			180
Gain on sale of warehouse facility classified as an asset held for sale			$ 25
Merger, restructuring, and other operating expenses, net	$ 111	$ 72	274	$ 276
Charges Incurred			189
Merger, restructuring and other operating expenses other than liabilities			85
Merger transaction and integration expenses	16	33	69	92
Transaction and integration expenses	1	$ 2	5	$ 7
Fixed assets and rent related expenses			$ 4
Minimum
Merger Restructuring And Other Operating Expenses [Line Items]
Number of retail stores expected to be closed in 2016 | Store			50
European restructuring plan
Merger Restructuring And Other Operating Expenses [Line Items]
Anticipated restructuring expenses for the remainder of 2015	18		$ 18
Transaction and integration expenses			6
Staples, Inc.
Merger Restructuring And Other Operating Expenses [Line Items]
Retention accruals on acquisition	29		64
Transaction and regulatory filing cost	17		31
Transaction and integration expenses			31
Merger, restructuring, and other operating expenses, net
Merger Restructuring And Other Operating Expenses [Line Items]
Gain on sale of warehouse facility classified as an asset held for sale	$ 6		25
Charges Incurred			$ 189