Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Jan. 03, 2021	Dec. 29, 2019	Dec. 30, 2018
Cash flows from operating activities
Net earnings	$ 14,714	$ 15,119	$ 15,297
Adjustments to reconcile net earnings to cash flows from operating activities:
Depreciation and amortization of property and intangibles	7,231	7,009	6,929
Stock based compensation	1,005	977	978
Asset write-downs	233	1,096	1,258
Contingent consideration reversal	(1,148)	0	0
Net gain on sale of assets/businesses	(111)	(2,154)	(1,217)
Deferred tax provision	(1,141)	(2,476)	(1,016)
Credit losses and accounts receivable allowances	63	(20)	(31)
Changes in assets and liabilities, net of effects from acquisitions and divestitures:
Decrease/(Increase) in accounts receivable	774	(289)	(1,185)
Increase in inventories	(265)	(277)	(644)
Increase in accounts payable and accrued liabilities	5,141	4,060	3,951
Increase in other current and non-current assets	(3,704)	(1,054)	(275)
Increase/(Decrease) in other current and non-current liabilities	744	1,425	(1,844)
Net cash flows from operating activities	23,536	23,416	22,201
Cash flows from investing activities
Additions to property, plant and equipment	(3,347)	(3,498)	(3,670)
Proceeds from the disposal of assets/businesses, net	305	3,265	3,203
Acquisitions, net of cash acquired (Note 18)	(7,323)	(5,810)	(899)
Purchases of investments	(21,089)	(3,920)	(5,626)
Sales of investments	12,137	3,387	4,289
Credit support agreements activity, net	(987)	338	0
Other (primarily licenses and milestones)	(521)	44	(464)
Net cash used by investing activities	(20,825)	(6,194)	(3,167)
Cash flows from financing activities
Dividends to shareholders	(10,481)	(9,917)	(9,494)
Repurchase of common stock	(3,221)	(6,746)	(5,868)
Proceeds from short-term debt	3,391	39	80
Repayment of short-term debt	(2,663)	(100)	(2,479)
Proceeds from long-term debt, net of issuance costs	7,431	3	5
Repayment of long-term debt	(1,064)	(2,823)	(1,555)
Proceeds from the exercise of stock options/employee withholding tax on stock awards, net	1,114	954	949
Credit support agreements activity, net	(333)	100	25
Other	(294)	475	(173)
Net cash used by financing activities	(6,120)	(18,015)	(18,510)
Effect of exchange rate changes on cash and cash equivalents	89	(9)	(241)
(Decrease)/Increase in cash and cash equivalents	(3,320)	(802)	283
Cash and cash equivalents, beginning of year (Note 1)	17,305	18,107	17,824
Cash and cash equivalents, end of year (Note 1)	13,985	17,305	18,107
Cash paid during the year for:
Interest	904	995	1,049
Interest, net of amount capitalized	841	925	963
Income taxes	4,619	4,191	4,570
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	1,937	1,736	2,095
Conversion of debt	27	1	6
Acquisitions
Fair value of assets acquired	7,755	7,228	1,047
Fair value of liabilities assumed and noncontrolling interests	(432)	(1,418)	(148)
Net cash paid for acquisitions (Note 18)	$ 7,323	$ 5,810	$ 899