Tax Matters (Detail) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jul. 03, 2016	Jun. 28, 2015	Jul. 03, 2016	Jun. 28, 2015
Income Tax Disclosure [Abstract]
Foreign currency translation adjustments, net	[1]	$ (1)	$ 12	$ (15)	$ 97
Unrealized holding gains/(losses) on derivative financial instruments, net		(157)	120	(193)	(103)
Reclassification adjustments for realized (gains)/losses		122	(155)	49	28
Derivatives qualifying as hedges, tax, total		(35)	(34)	(144)	(75)
Unrealized holding gains/(losses) on available-for-sale securities, net		49	(37)	65	(69)
Reclassification adjustments for realized (gains)/losses		(28)	63	(2)	62
Available-for-sale securities, tax, total		21	25	63	(7)
Benefit plans: actuarial gains/(losses), net		(8)	(4)	(8)	8
Reclassification adjustments related to amortization		47	45	93	90
Reclassification adjustments related to settlements, net		8	8	17	23
Other		(9)	1	(9)	38
Defined benefit plans, actuarial gain (loss), tax, total		38	49	93	159
Benefit plans: prior service credits and other, net		31	192	31	191
Reclassification adjustments related to amortization		(15)	7	(30)	(6)
Reclassification adjustments related to curtailments, net		0	(22)	(2)	(26)
Other		(2)	(1)	(1)	(1)
Pension and other postretirement benefit plans, net prior service cost (credit), tax		14	176	(3)	159
Tax provision/(benefit) on other comprehensive income/(loss)	[2],[3]	$ 36	$ 228	$ (5)	$ 332

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

[2] Amounts may not add due to rounding.

[3] See Note 5C. Tax Matters: Tax Provision/(Benefit) on Other Comprehensive Income/(Loss).