Summary of Major Components of Merger, Restructuring and Other Operating (Income) Expenses, Net (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 25, 2016	Jun. 27, 2015	Jun. 25, 2016	Jun. 27, 2015
Merger related expenses
Severance, retention, and relocation		$ 6		$ 11
Transaction and integration	$ 11	29	$ 22	53
Facility closure, contract termination, and other costs, net	14	29	17	15
Total Merger related expenses	25	64	39	79
International restructuring and certain other expenses
Severance and retention	1	20	5	25
Integration		2		4
Other related expenses	3		4	6
Total International restructuring and certain other expenses	4	22	9	35
Staples Acquisition (income) expenses
Retention	15	29	18	35
Transaction	19	5	41	14
Termination Fee	(250)		(250)
Total Staples Acquisition (income) expenses	(216)	34	(191)	49
Total Merger, restructuring and other operating (income) expenses, net	$ (187)	$ 120	$ (143)	$ 163