Amounts Reclassified Out of Accumulated Other Comprehensive (Loss) Income - Summary of Amounts Reclassified Out of Accumulated Other Comprehensive (Loss) Income (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Beginning Balance			$ (110)	$ (550)
Other comprehensive (loss) income before reclassifications, net of tax			(52)	(20)
Amounts reclassified from other comprehensive (loss) income, net of tax			2	41
Net current period other comprehensive (loss) income			(50)	21
Ending Balance	(160)	(529)	(160)	(529)
Cost of sales-products	1,480	1,487	4,498	4,732
Income before income taxes	215	266	667	789
Benefit (Provision) for income taxes	(58)	(62)	(197)	(217)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income	2	13	2	41
Foreign Currency Translation [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Beginning Balance			142	167
Other comprehensive (loss) income before reclassifications, net of tax			(57)	(18)
Amounts reclassified from other comprehensive (loss) income, net of tax
Net current period other comprehensive (loss) income			(57)	(18)
Ending Balance	85	149	85	149
Unrealized Gains (Losses) on Hedging Instruments [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Beginning Balance			1	3
Other comprehensive (loss) income before reclassifications, net of tax			5	(2)
Amounts reclassified from other comprehensive (loss) income, net of tax			(5)	1
Net current period other comprehensive (loss) income				(1)
Ending Balance	1	2	1	2
Unrealized Gains (Losses) on Hedging Instruments [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales-products	1		(6)	1
Income before income taxes	1		(6)	1
Benefit (Provision) for income taxes	(1)		1
Net income			(5)	1
Unrecognized (Losses) and Prior Service Cost, Net [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Beginning Balance			(253)	(720)
Other comprehensive (loss) income before reclassifications, net of tax
Amounts reclassified from other comprehensive (loss) income, net of tax			7	40
Net current period other comprehensive (loss) income			7	40
Ending Balance	(246)	(680)	(246)	(680)
Accumulated Defined Benefit Plans Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net loss	3	20	11	63
Income before income taxes	3	20	11	63
Benefit (Provision) for income taxes	(1)	(7)	(4)	(23)
Net income	$ 2	$ 13	$ 7	$ 40