Tax Matters (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Apr. 01, 2012
Tax Expense/(Benefit) on Other Comprehensive Income/(Loss)
Foreign currency translation adjustments	$ 71	[1]	$ 67	[1]
Unrealized holding gains/(losses) on derivative financial instruments	(157)		159
Reclassification adjustments for realized (gains)/losses	144		(115)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax, Total	(13)		44
Unrealized gains/(losses) on available-for-sale securities	13		14
Reclassification adjustments for realized (gains)/losses	(2)		7
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax, Total	11		21
Benefit plans: Actuarial gains/(losses)	6		20
Reclassification adjustments related to amortization	54		44
Reclassification adjustments related to curtailments and settlements, net	20		23
Other	37		(1)
Other Comprehensive Income Defined Benefit Plans Actuarial Gain Loss Tax Effect Period Decrease Increase	117		86
Benefit plan: Prior service (costs)/credits and other	(1)		0
Reclassification adjustments related to amortization	(6)		(8)
Reclassification adjustments related to curtailments and settlements, net	(3)		(4)
Other	0		(2)
Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Tax Effect Period Decrease Increase	(10)		(14)
Tax provision (benefit) on other comprehensive income/(loss)	$ 176	[2]	$ 204	[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 Income/(Loss).