Consolidated Statement of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash Flows from Operating Activities
Net income including noncontrolling interest	$ 4,582	$ 5,363	$ 4,869
Adjustments to reconcile net income including noncontrolling interest to net cash provided by operating activities
Depreciation and amortization	1,593	1,488	1,544
Company pension and postretirement contributions	(210)	(370)	(967)
Company pension and postretirement expense	357	410	334
Stock-based compensation expense	278	302	324
Gain on sale of businesses	(111)	(545)	(586)
Deferred income taxes	(273)	(57)	107
Loss on deconsolidation of Venezuelan subsidiary	162
Changes in assets and liabilities
Accounts receivable	345	(305)	(245)
Inventories	370	(509)	(387)
Accounts payable	(117)	408	24
Accrued income taxes (current and long-term)	205	134	967
Other - net	(111)	120	256
Net cash provided by (used in) operating activities	7,070	6,439	6,240
Cash Flows from Investing Activities
Purchases of property, plant and equipment (PP&E)	(1,699)	(1,577)	(1,373)
Proceeds from sale of PP&E and other assets	123	262	49
Acquisitions, net of cash acquired	(4,984)	13	(2,023)
Purchases of marketable securities and investments	(1,635)	(1,828)	(2,152)
Proceeds from maturities and sale of marketable securities and investments	1,443	2,497	1,354
Proceeds from sale of businesses, net of cash sold	236	846	1,065
Other - net	72	9	(6)
Net cash provided by (used in) investing activities	(6,444)	222	(3,086)
Cash Flows from Financing Activities
Change in short-term debt - net	(316)	(284)	578
Repayment of debt (maturities greater than 90 days)	(2,716)	(1,034)	(962)
Proceeds from debt (maturities greater than 90 days)	6,281	2,251	1,987
Purchases of treasury stock	(1,407)	(4,870)	(2,068)
Proceeds from issuance of treasury stock pursuant to stock option and benefit plans	547	485	734
Dividends paid to shareholders	(3,316)	(3,193)	(2,803)
Other - net	(197)	(56)	(121)
Net cash provided by (used in) financing activities	(1,124)	(6,701)	(2,655)
Effect of exchange rate changes on cash and cash equivalents	(2)	(160)	156
Net increase (decrease) in cash and cash equivalents	(500)	(200)	655
Cash and cash equivalents at beginning of year	2,853	3,053	2,398
Cash and cash equivalents at end of period	$ 2,353	$ 2,853	$ 3,053