Accumulated Other Comprehensive (Loss) Income (AOCI) - Summary of Amounts Reclassified from AOCI into Net Income (Detail) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	May. 29, 2015	Jun. 26, 2015	Jun. 27, 2014	Jun. 26, 2015	Jun. 27, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Beginning Balance				$ (584)	$ (110)
Other comprehensive income (loss) before reclassifications, net of tax				(72)	4
Amounts reclassified from AOCI, net of tax				78	10
Total other comprehensive (loss) income		$ 85	$ 32	6	14
Ending Balance		(578)	(96)	(578)	(96)
Gain (loss) related to business divestitures		2		(20)
Cost of sales-products		(1,530)	(1,552)	(2,918)	(3,018)
Income before income taxes		123	204	282	452
Provision for income taxes		1	(63)	(49)	(139)
Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income		(65)	(4)	(78)	(10)
MSI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain (loss) related to business divestitures	$ (4)	4		4
Foreign Currency Translation Adjustment [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Beginning Balance				19	142
Other comprehensive income (loss) before reclassifications, net of tax				(70)	$ 6
Amounts reclassified from AOCI, net of tax				41
Total other comprehensive (loss) income				(29)	$ 6
Ending Balance		(10)	148	(10)	148
Foreign Currency Translation Adjustment [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income before income taxes		(41)		(41)
Net income		(41)		(41)
Foreign Currency Translation Adjustment [Member] | MSI [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain (loss) related to business divestitures		(41)		(41)
Losses on Hedging Instruments [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Beginning Balance				(5)	1
Other comprehensive income (loss) before reclassifications, net of tax				(2)	(2)
Amounts reclassified from AOCI, net of tax				6	5
Total other comprehensive (loss) income				4	3
Ending Balance		(1)	4	(1)	4
Losses on Hedging Instruments [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income before income taxes		(6)	(2)	(8)	(7)
Provision for income taxes		2		2	2
Net income		(4)	(2)	(6)	(5)
Losses on Hedging Instruments [Member] | MSI [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain (loss) related to business divestitures		(2)		(2)
Losses on Hedging Instruments [Member] | Other [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales-products		(4)	(2)	(6)	(7)
Amortization of Defined Benefit Pension Items [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net (loss) gain		(16)	(4)	(33)	(8)
Income before income taxes		(30)	(4)	(47)	(8)
Provision for income taxes		10	2	16	3
Net income		(20)	(2)	(31)	(5)
Amortization of Defined Benefit Pension Items [Member] | MSI [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain (loss) related to business divestitures		(14)		(14)
Unrecognized Losses and Prior Service Cost, Net [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Beginning Balance				$ (598)	$ (253)
Other comprehensive income (loss) before reclassifications, net of tax
Amounts reclassified from AOCI, net of tax				$ 31	$ 5
Total other comprehensive (loss) income				31	5
Ending Balance		$ (567)	$ (248)	$ (567)	$ (248)