Tax Matters (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2014		Mar. 31, 2013
Income Tax Disclosure [Abstract]
Foreign currency translation adjustments(a)	$ (7)	[1]	$ 71	[1]
Unrealized holding losses on derivative financial instruments	(17)		(155)
Reclassification adjustments for realized (gains)/losses	(1)		167
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax, Total	(18)		12
Unrealized holding gains on available-for-sale securities	27		11
Reclassification adjustments for realized gains	(29)		(25)
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax, Total	(2)		(14)
Benefit plans: actuarial gains, net	1		6
Reclassification adjustments related to amortization	16		54
Reclassification adjustments related to settlements, net	8		20
Foreign currency translation adjustments and other	(12)		37
Other Comprehensive Income Defined Benefit Plans Actuarial Gain Loss Tax Effect Period Decrease Increase	13		117
Benefit plans: prior service costs and other	0		(1)
Reclassification adjustments related to amortization	(7)		(6)
Reclassification adjustments related to curtailments, net	(1)		(3)
Other	5		0
Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Tax Effect Period Decrease Increase	(3)		(10)
Tax provision/(benefit) on other comprehensive loss	$ (17)	[2]	$ 176	[2]

[1] Taxes are not provided for foreign currency translation adjustments relating to investments in international subsidiaries that will be held indefinitely.

[2] See Note 5C. Tax Matters: Taxes on Items of Other Comprehensive Loss.