Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Statement of Comprehensive Income [Abstract]
Net earnings	$ 16,540	$ 15,409	$ 16,323
Other Comprehensive Income (Loss), net of tax
Foreign currency translation	(612)	(3,632)	(4,601)
Securities
Unrealized holding gain (loss) arising during period	(52)	471	156
Reclassifications to earnings	(141)	(124)	(5)
Net change	(193)	347	151
Employee benefit plans
Prior service credit (cost), net of amortization	21	(60)	193
Gain (loss), net of amortization	(862)	931	(3,698)
Effect of exchange rates	159	148	197
Net change	(682)	1,019	(3,308)
Derivatives & hedges
Unrealized gain (loss) arising during period	(359)	(115)	92
Reclassifications to earnings	110	(62)	(196)
Net change	(249)	(177)	(104)
Other comprehensive income (loss)	(1,736)	(2,443)	(7,862)
Total comprehensive income	$ 14,804	$ 12,966	$ 8,461