Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Statement of Cash Flows [Abstract]
Net earnings	$ 16,540	$ 15,409	$ 16,323
Adjustments to reconcile net earnings to cash flows from operating activities:
Depreciation and amortization of property and intangibles	3,754	3,746	3,895
Stock based compensation	878	874	792
Venezuela adjustments	0	122	87
Asset write-downs	283	624	410
Net gain on sale of assets/businesses	(563)	(2,583)	(2,383)
Deferred tax provision	(341)	(270)	441
Accounts receivable allowances	(11)	18	(28)
Changes in assets and liabilities, net of effects from acquisitions and divestitures:
Increase in accounts receivable	(1,065)	(433)	(247)
Increase in inventories	(249)	(449)	(1,120)
Increase in accounts payable and accrued liabilities	656	287	1,194
Decrease in other current and non-current assets	18	65	442
(Decrease)/Increase in other current and non-current liabilities	(1,133)	2,159	(1,096)
Net cash flows from operating activities	18,767	19,569	18,710
Cash flows from investing activities
Additions to property, plant and equipment	(3,226)	(3,463)	(3,714)
Proceeds from the disposal of assets/businesses, net	1,267	3,464	4,631
Acquisitions, net of cash acquired (Note 20)	(4,509)	(954)	(2,129)
Purchases of investments	(33,950)	(40,828)	(34,913)
Sales of investments	35,780	34,149	24,119
Other (primarily intangibles)	(123)	(103)	(299)
Net cash used by investing activities	(4,761)	(7,735)	(12,305)
Cash flows from financing activities
Dividends to shareholders	(8,621)	(8,173)	(7,768)
Repurchase of common stock	(8,979)	(5,290)	(7,124)
Proceeds from short-term debt	111	2,416	1,863
Retirement of short-term debt	(2,017)	(1,044)	(1,267)
Proceeds from long-term debt	12,004	75	2,098
Retirement of long-term debt	(2,223)	(68)	(1,844)
Proceeds from the exercise of stock options/employee withholding tax on stock awards, net	1,189	1,005	1,543
Other	(15)	(57)	0
Net cash used by financing activities	(8,551)	(11,136)	(12,499)
Effect of exchange rate changes on cash and cash equivalents	(215)	(1,489)	(310)
Increase/(Decrease) in cash and cash equivalents	5,240	(791)	(6,404)
Cash and cash equivalents, beginning of year (Note 1)	13,732	14,523	20,927
Cash and cash equivalents, end of year (Note 1)	18,972	13,732	14,523
Supplemental cash flow data
Interest	730	617	603
Interest, net of amount capitalized	628	515	488
Income taxes	2,843	2,865	3,536
Supplemental schedule of non-cash investing and financing activities
Treasury stock issued for employee compensation and stock option plans, net of cash proceeds/ employee withholding tax on stock awards	2,043	1,486	1,409
Conversion of debt	35	16	17
Acquisitions
Fair value of assets acquired	4,586	1,174	2,167
Fair value of liabilities assumed and noncontrolling interests	(77)	(220)	(38)
Net cash paid for acquisitions	$ 4,509	$ 954	$ 2,129