Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Statement of Cash Flows [Abstract]
Net earnings	$ 15,409	$ 16,323	$ 13,831
Adjustments to reconcile net earnings to cash flows from operating activities:
Depreciation and amortization of property and intangibles	3,746	3,895	4,104
Stock based compensation	874	792	728
Venezuela adjustments	122	87	108
Asset write-downs	624	410	739
Net gain on sale of assets/businesses	(2,583)	(2,383)	(113)
Net gain on equity investment transactions	0	0	(417)
Deferred tax provision	(270)	441	(607)
Accounts receivable allowances	18	(28)	(131)
Changes in assets and liabilities, net of effects from acquisitions and divestitures:
Increase in accounts receivable	(433)	(247)	(632)
Increase in inventories	(449)	(1,120)	(622)
(Decrease)/Increase in accounts payable and accrued liabilities	(3)	955	1,821
Decrease/(Increase) in other current and non-current assets	65	442	(1,693)
Increase/(Decrease) in other current and non-current liabilities	2,159	(1,096)	298
Net cash flows from operating activities	19,279	18,471	17,414
Cash flows from investing activities
Additions to property, plant and equipment	(3,463)	(3,714)	(3,595)
Proceeds from the disposal of assets/businesses, net	3,464	4,631	458
Acquisitions, net of cash acquired (Note 20)	(954)	(2,129)	(835)
Purchases of investments	(40,828)	(34,913)	(18,923)
Sales of investments	34,149	24,119	18,058
Other (primarily intangibles)	(103)	(299)	(266)
Net cash used by investing activities	(7,735)	(12,305)	(5,103)
Cash flows from financing activities
Dividends to shareholders	(8,173)	(7,768)	(7,286)
Repurchase of common stock	(5,290)	(7,124)	(3,538)
Proceeds from short-term debt	2,416	1,863	1,411
Retirement of short-term debt	(1,044)	(1,267)	(1,397)
Proceeds from long-term debt	75	2,098	3,607
Retirement of long-term debt	(68)	(1,844)	(1,593)
Proceeds from the exercise of stock options/excess tax benefits	1,295	1,782	2,649
Other	(57)	0	56
Net cash used by financing activities	(10,846)	(12,260)	(6,091)
Effect of exchange rate changes on cash and cash equivalents	(1,489)	(310)	(204)
(Decrease)/Increase in cash and cash equivalents	(791)	(6,404)	6,016
Cash and cash equivalents, beginning of year (Note 1)	14,523	20,927	14,911
Cash and cash equivalents, end of year (Note 1)	13,732	14,523	20,927
Supplemental Cash Flow Data
Interest paid	617	603	596
Interest paid, net of amount capitalized	515	488	491
Income taxes paid	2,865	3,536	3,155
Supplemental schedule of non-cash investing and financing activities
Treasury Stock Issued For Employee Compensation And Stock Option Plans Net Of Cash Proceeds	1,196	1,170	743
Conversion of debt	16	17	22
Acquisitions
Fair value of assets acquired	1,174	2,167	1,028
Fair value of liabilities assumed and noncontrolling interests	(220)	(38)	(193)
Net cash paid for acquisitions	$ 954	$ 2,129	$ 835