Consolidated Cash Flow Statement - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Operating Activities
Net income	$ 1,004	$ 1,367
Depreciation and amortization	378	414
Asset impairments	3	0
Stock-based compensation	42	54
Deferred income taxes	(74)	12
Net (gains) losses on asset dispositions	15	13
Equity companies' earnings (in excess of) less than dividends paid	(32)	(47)
Operating working capital	(495)	490
Postretirement benefits	36	(15)
Other	9	(5)
Cash Provided by Operations	886	2,283
Investing Activities
Capital spending	(499)	(636)
Proceeds from dispositions of property	30	5
Investments in time deposits	(451)	(323)
Maturities of time deposits	433	254
Other	0	10
Cash Used for Investing	(487)	(690)
Financing Activities
Cash dividends paid	(748)	(722)
Change in short-term debt	960	(667)
Debt proceeds	5	1,241
Debt repayments	(253)	(252)
Proceeds from exercise of stock options	27	135
Acquisitions of common stock for the treasury	(331)	(263)
Other	(54)	(39)
Cash Used for Financing	(394)	(567)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(2)	(20)
Change in Cash and Cash Equivalents	3	1,006
Cash and Cash Equivalents - Beginning of Period	303	442
Cash and Cash Equivalents - End of Period	$ 306	$ 1,448