Accumulated Other Comprehensive (Loss) Income (AOCI) - Summary of Amounts Reclassified from AOCI into Net Income (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 23, 2016	Sep. 25, 2015	Sep. 23, 2016	Sep. 25, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales-products	$ (1,355)	$ (1,409)	$ (4,095)	$ (4,312)
Loss related to business divestitures		(9)		(29)
Income from continuing operations before income taxes	180	191	599	458
Provision for income taxes	(29)	(63)	(130)	(105)
Income from continuing operations	151	128	469	353
MSI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Loss related to business divestitures				(17)
Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income from continuing operations	(12)	(14)	(32)	(92)
Foreign Currency Translation Adjustment [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income from continuing operations before income taxes				(41)
Provision for income taxes
Income from continuing operations				(41)
Foreign Currency Translation Adjustment [Member] | Amount Reclassified from AOCI [Member] | MSI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Loss related to business divestitures				(41)
Unrealized (Losses) Gains on Hedging Instruments [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales-products	(4)	(4)	(8)	(10)
Income from continuing operations before income taxes	(4)	(4)	(8)	(12)
Provision for income taxes				2
Income from continuing operations	(4)	(4)	(8)	(10)
Unrealized (Losses) Gains on Hedging Instruments [Member] | Amount Reclassified from AOCI [Member] | MSI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Loss related to business divestitures				(2)
Amortization of Defined Benefit Pension Items [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net loss	(12)	(17)	(37)	(50)
Income from continuing operations before income taxes	(12)	(17)	(37)	(64)
Provision for income taxes	4	7	13	23
Income from continuing operations	(8)	(10)	(24)	(41)
Amortization of Defined Benefit Pension Items [Member] | Amount Reclassified from AOCI [Member] | MSI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Loss related to business divestitures				$ (14)