Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Cash flows from operating activities
Net earnings	$ 15,119	$ 15,297	$ 1,300
Adjustments to reconcile net earnings to cash flows from operating activities:
Depreciation and amortization of property and intangibles	7,009	6,929	5,642
Stock based compensation	977	978	962
Asset write-downs	1,096	1,258	795
Gain on sale of assets/businesses	(2,154)	(1,217)	(1,307)
Deferred tax provision	(2,476)	(1,016)	2,406
Accounts receivable allowances	(20)	(31)	17
Changes in assets and liabilities, net of effects from acquisitions and divestitures:
Increase in accounts receivable	(289)	(1,185)	(633)
(Increase)/Decrease in inventories	(277)	(644)	581
Increase in accounts payable and accrued liabilities	4,060	3,951	2,725
Increase in other current and non-current assets	(1,054)	(275)	(411)
Increase/(Decrease) in other current and non-current liabilities	1,425	(1,844)	8,979
Net cash flows from operating activities	23,416	22,201	21,056
Cash flows from investing activities
Additions to property, plant and equipment	(3,498)	(3,670)	(3,279)
Proceeds from the disposal of assets/businesses, net	3,265	3,203	1,832
Acquisitions, net of cash acquired (Note 20)	(5,810)	(899)	(35,151)
Purchases of investments	(3,920)	(5,626)	(6,153)
Sales of investments	3,387	4,289	28,117
Proceeds from credit support agreements	338	0	0
Other	44	(464)	(234)
Net cash used by investing activities	(6,194)	(3,167)	(14,868)
Cash flows from financing activities
Dividends to shareholders	(9,917)	(9,494)	(8,943)
Repurchase of common stock	(6,746)	(5,868)	(6,358)
Proceeds from short-term debt	39	80	869
Repayment of short-term debt	(100)	(2,479)	(1,330)
Proceeds from long-term debt, net of issuance costs	3	5	8,992
Repayment of long-term debt	(2,823)	(1,555)	(1,777)
Proceeds from the exercise of stock options/employee withholding tax on stock awards, net	954	949	1,062
Other	575	(148)	(188)
Net cash used by financing activities	(18,015)	(18,510)	(7,673)
Effect of exchange rate changes on cash and cash equivalents	(9)	(241)	337
(Decrease)/Increase in cash and cash equivalents	(802)	283	(1,148)
Cash and cash equivalents, beginning of year (Note 1)	18,107	17,824	18,972
Cash and cash equivalents, end of year (Note 1)	17,305	18,107	17,824
Cash paid during the year for:
Interest	995	1,049	960
Interest, net of amount capitalized	925	963	866
Income taxes	4,191	4,570	3,312
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	1,736	2,095	2,062
Conversion of debt	1	6	16
Acquisitions
Fair value of assets acquired	7,228	1,047	36,937
Fair value of liabilities assumed and noncontrolling interests	(1,418)	(148)	(1,786)
Net cash paid for acquisitions (Note 20)	$ 5,810	$ 899	$ 35,151