Accumulated Other Comprehensive Loss (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended									6 Months Ended						6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014		Jun. 30, 2013	Jun. 29, 2014 Accumulated Translation Adjustment [Member]	Dec. 31, 2013 Accumulated Translation Adjustment [Member]	Jun. 29, 2014 Accumulated Net Gain (Loss) From Derivative Financial Instruments [Member]	Dec. 31, 2013 Accumulated Net Gain (Loss) From Derivative Financial Instruments [Member]	Jun. 29, 2014 Accumulated Net Unrealized Investment Gain (Loss) [Member]	Dec. 31, 2013 Accumulated Net Unrealized Investment Gain (Loss) [Member]	Jun. 29, 2014 Accumulated Defined Benefit Plans Adjustment [Member]		Jun. 29, 2014 Accumulated Defined Benefit Plans Adjustment, Actuarial Gains / (Losses) [Member]	Dec. 31, 2013 Accumulated Defined Benefit Plans Adjustment, Actuarial Gains / (Losses) [Member]	Jun. 29, 2014 Accumulated Defined Benefit Plans Adjustment, Prior Service (Costs) / Credits and Other [Member]	Dec. 31, 2013 Accumulated Defined Benefit Plans Adjustment, Prior Service (Costs) / Credits and Other [Member]	Jun. 29, 2014 Accumulated Translation Adjustment [Member] Accumulated Net Unrealized Investment Gain (Loss) [Member]		Jun. 29, 2014 Accumulated Net Gain (Loss) From Derivative Financial Instruments [Member] Accumulated Net Unrealized Investment Gain (Loss) [Member]		Jun. 29, 2014 Available-for-sale Securities [Member] Accumulated Net Unrealized Investment Gain (Loss) [Member]		Jun. 29, 2014 Prior Service Credit And Cost [Member] Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, December 31, 2013			$ (3,271)			$ (497)	$ (590)	$ 116	$ 79	$ 82	$ 150			$ (3,155)	$ (3,223)	$ 302	$ 313
Other comprehensive income/(loss)(a)	253	(331)	132		(536)							68	[1]					93	[1]	37	[1]	(68)	[1]	(11)	[1]
Other comprehensive income/(loss)(a)			119	[1]
Balance, June 29, 2014	$ (3,152)		$ (3,152)			$ (497)	$ (590)	$ 116	$ 79	$ 82	$ 150			$ (3,155)	$ (3,223)	$ 302	$ 313

[1] Amounts do not include foreign currency translation income of $13 million attributable to noncontrolling interests for the first six months of 2014.