Consolidated Statement of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash Flows from Operating Activities
Net income including noncontrolling interest	$ 1,294	$ 893
Adjustments to reconcile net income including noncontrolling interest to net cash provided by operating activities
Depreciation and amortization	440	375
Company pension and postretirement contributions	(39)	(47)
Company pension and postretirement expense	98	70
Stock-based compensation expense	120	130
Gain on sale of businesses	(2)	(5)
Deferred income taxes	29	(56)
Changes in assets and liabilities
Accounts receivable	(143)	(78)
Inventories	(207)	(178)
Accounts payable	12	(3)
Accrued income taxes (current and long-term)	68
Other - net	(457)	(53)
Net cash provided by (used in) operating activities	1,213	1,048
Cash Flows from Investing Activities
Purchases of property, plant and equipment (PP&E)	(332)	(391)
Proceeds from sale of PP&E and other assets	7	1
Acquisitions, net of cash acquired	(25)	(704)
Purchases of marketable securities and investments	(318)	(511)
Proceeds from maturities and sale of marketable securities and investments	207	369
Proceeds from sale of businesses, net of cash sold	86	6
Other - net		5
Net cash provided by (used in) investing activities	(375)	(1,225)
Cash Flows from Financing Activities
Change in short-term debt - net	462	(428)
Repayment of debt (maturities greater than 90 days)		(246)
Proceeds from debt (maturities greater than 90 days)	1,745	2,265
Purchases of treasury stock	(365)	(701)
Proceeds from issuance of treasury stock pursuant to stock option and benefit plans	149	215
Dividends paid to shareholders	(847)	(830)
Other - net	(36)	(17)
Net cash provided by (used in) financing activities	1,108	258
Effect of exchange rate changes on cash and cash equivalents	(46)	4
Net increase (decrease) in cash and cash equivalents	1,900	85
Cash and cash equivalents at beginning of year	2,353	2,853
Cash and cash equivalents at end of period	$ 4,253	$ 2,938