Consolidated Statement of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash Flows from Operating Activities
Net income including noncontrolling interest	$ 3,152	$ 2,613
Adjustments to reconcile net income including noncontrolling interest to net cash provided by operating activities
Depreciation and amortization	932	932
Company pension and postretirement contributions	(85)	(77)
Company pension and postretirement expense	92	155
Stock-based compensation expense	184	172
Gain on sale of businesses		(389)
Deferred income taxes	91	41
Changes in assets and liabilities
Accounts receivable	(337)	241
Inventories	(644)	(198)
Accounts payable	411	(269)
Accrued income taxes (current and long-term)	(141)	273
Other - net	(80)	(376)
Net cash provided by (used in) operating activities	3,575	3,118
Cash Flows from Investing Activities
Purchases of property, plant and equipment (PP&E)	(704)	(711)
Proceeds from sale of PP&E and other assets	43	16
Acquisitions, net of cash acquired		(25)
Purchases of marketable securities and investments	(1,188)	(634)
Proceeds from maturities and sale of marketable securities and investments	786	976
Proceeds from sale of businesses, net of cash sold		573
Other - net	20	7
Net cash provided by (used in) investing activities	(1,043)	202
Cash Flows from Financing Activities
Change in short-term debt - net	4	(132)
Repayment of debt (maturities greater than 90 days)	(450)	(1,146)
Proceeds from debt (maturities greater than 90 days)	1	1,745
Purchases of treasury stock	(734)	(366)
Proceeds from issuance of treasury stock pursuant to stock option and benefit plans	480	236
Dividends paid to shareholders	(1,716)	(1,693)
Other - net	(19)	(45)
Net cash provided by (used in) financing activities	(2,434)	(1,401)
Effect of exchange rate changes on cash and cash equivalents	(37)	(53)
Net increase (decrease) in cash and cash equivalents	61	1,866
Cash and cash equivalents at beginning of year	4,634	2,353
Cash and cash equivalents at end of period	$ 4,695	$ 4,219