Consolidated Statement of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash Flows from Operating Activities
Net income including noncontrolling interest	$ 893	$ 606
Adjustments to reconcile net income including noncontrolling interest to net cash provided by operating activities
Depreciation and amortization	375	382
Company pension and postretirement contributions	(47)	(232)
Company pension and postretirement expense	70	102
Stock-based compensation expense	130	159
Gain on sale of businesses	(5)	(24)
Deferred income taxes	(56)	(103)
Changes in assets and liabilities
Accounts receivable	(78)	(260)
Inventories	(178)	(209)
Accounts payable	(3)	(88)
Accrued income taxes (current and long-term)		212
Other - net	(53)	(402)
Net cash provided by (used in) operating activities	1,048	143
Cash Flows from Investing Activities
Purchases of property, plant and equipment (PP&E)	(391)	(304)
Proceeds from sale of PP&E and other assets	1	83
Acquisitions, net of cash acquired	(704)
Purchases of marketable securities and investments	(511)	(517)
Proceeds from maturities and sale of marketable securities and investments	369	990
Proceeds from sale of businesses, net of cash sold	6	40
Other - net	5	(11)
Net cash provided by (used in) investing activities	(1,225)	281
Cash Flows from Financing Activities
Change in short-term debt - net	(428)	1,581
Repayment of debt (maturities greater than 90 days)	(246)	(6)
Proceeds from debt (maturities greater than 90 days)	2,265	6
Purchases of treasury stock	(701)	(937)
Proceeds from issuance of treasury stock pursuant to stock option and benefit plans	215	219
Dividends paid to shareholders	(830)	(810)
Other - net	(17)	(7)
Net cash provided by (used in) financing activities	258	46
Effect of exchange rate changes on cash and cash equivalents	4	(32)
Net increase (decrease) in cash and cash equivalents	85	438
Cash and cash equivalents at beginning of year	2,853	3,053
Cash and cash equivalents at end of period	$ 2,938	$ 3,491