Severance and Facility Closure Costs (Detail) $ in Millions	9 Months Ended
	Sep. 26, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 207
Charges Incurred	189
Cash Payments	(141)
Currency, Lease Accretion and Other Adjustments	(1)
Ending Balance	254
Termination benefits
Restructuring Cost and Reserve [Line Items]
Beginning Balance	65
Charges Incurred	59
Cash Payments	(65)
Currency, Lease Accretion and Other Adjustments	(4)
Ending Balance	55
Termination benefits | Merger related accruals
Restructuring Cost and Reserve [Line Items]
Beginning Balance	31
Charges Incurred	16
Cash Payments	(28)
Currency, Lease Accretion and Other Adjustments	(1)
Ending Balance	18
Termination benefits | Other restructuring accruals
Restructuring Cost and Reserve [Line Items]
Beginning Balance	8
Charges Incurred	6
Cash Payments	(12)
Currency, Lease Accretion and Other Adjustments	(1)
Ending Balance	1
Other Restructuring
Restructuring Cost and Reserve [Line Items]
Beginning Balance	142
Charges Incurred	130
Cash Payments	(76)
Currency, Lease Accretion and Other Adjustments	3
Ending Balance	199
Other Restructuring | Merger related accruals
Restructuring Cost and Reserve [Line Items]
Beginning Balance	71
Charges Incurred	51
Cash Payments	(49)
Currency, Lease Accretion and Other Adjustments	(2)
Ending Balance	71
Other Restructuring | Other restructuring accruals
Restructuring Cost and Reserve [Line Items]
Beginning Balance	35
Charges Incurred	5
Cash Payments	(13)
Currency, Lease Accretion and Other Adjustments	3
Ending Balance	30
Other Restructuring | Acquired entity accruals
Restructuring Cost and Reserve [Line Items]
Beginning Balance	36
Charges Incurred	1
Cash Payments	(12)
Currency, Lease Accretion and Other Adjustments	2
Ending Balance	27
Other Restructuring | Staples Acquisition related accruals
Restructuring Cost and Reserve [Line Items]
Charges Incurred	64
Ending Balance	64
European restructuring plan | Termination benefits
Restructuring Cost and Reserve [Line Items]
Beginning Balance	26
Charges Incurred	37
Cash Payments	(25)
Currency, Lease Accretion and Other Adjustments	(2)
Ending Balance	36
European restructuring plan | Other Restructuring
Restructuring Cost and Reserve [Line Items]
Charges Incurred	9
Cash Payments	(2)
Ending Balance	$ 7