Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2017	Oct. 02, 2016	Oct. 01, 2017	Oct. 02, 2016
Statement of Comprehensive Income [Abstract]
Net earnings	$ 3,764	$ 4,272	$ 12,013	$ 12,726
Other comprehensive income (loss), net of tax
Foreign currency translation	359	(94)	1,597	490
Securities:
Unrealized holding gain (loss) arising during period	14	29	150	129
Reclassifications to earnings	(99)	(42)	(292)	(136)
Net change	(85)	(13)	(142)	(7)
Employee benefit plans:
Prior service cost amortization during period	(4)	(5)	(13)	(15)
Gain (loss) amortization during period	124	103	370	310
Net change	120	98	357	295
Derivatives & hedges:
Unrealized gain (loss) arising during period	62	4	(8)	(437)
Reclassifications to earnings	31	(3)	350	109
Net change	93	1	342	(328)
Other comprehensive income (loss)	487	(8)	2,154	450
Comprehensive income	$ 4,251	$ 4,264	$ 14,167	$ 13,176