Consolidated Cash Flow Statement - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Operating Activities
Net income	$ 1,850	$ 1,641
Depreciation and amortization	606	700
Stock-based compensation	101	74
Deferred income taxes	(30)	8
Net (gains) losses on asset dispositions	67	(155)
Equity companies' earnings (in excess of) less than dividends paid	(53)	(31)
Operating working capital	292	(399)
Postretirement benefits	7	(16)
Other	2	(10)
Cash Provided by Operations	2,842	1,812
Investing Activities
Capital spending	(894)	(867)
Proceeds from dispositions of property	5	206
Investments in time deposits	(509)	(353)
Maturities of time deposits	404	287
Other	17	(40)
Cash Used for Investing	(977)	(767)
Financing Activities
Cash dividends paid	(1,087)	(1,054)
Change in short-term debt	(497)	324
Debt proceeds	1,842	700
Debt repayments	(753)	(705)
Proceeds from exercise of stock options	212	211
Acquisitions of common stock for the treasury	(449)	(544)
Other	(40)	(92)
Cash Used for Financing	(772)	(1,160)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(17)	(8)
Change in Cash and Cash Equivalents	1,076	(123)
Cash and Cash Equivalents - Beginning of Period	442	539
Cash and Cash Equivalents - End of Period	$ 1,518	$ 416