Condensed Consolidated Cash Flow Statement (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Operating Activities
Net income	$ 1,005	$ 804
Depreciation and amortization	432	530
Stock-based compensation	43	31
Increase in operating working capital	(309)	(62)
Deferred income taxes	174	136
Net losses on asset dispositions	17	10
Equity companies' earnings in excess of dividends paid	(45)	(49)
Postretirement benefits	22	(361)
Other	(14)	(18)
Cash Provided by Operations	1,325	1,021
Investing Activities
Capital spending	(486)	(435)
Proceeds from sales of investments	7	9
Investments in time deposits	(37)	(78)
Maturities of time deposits	43	71
Other	1	1
Cash Used for Investing	(472)	(432)
Financing Activities
Cash dividends paid	(567)	(549)
Net increase (decrease) in short-term debt	268	287
Proceeds from issuance of long-term debt	309	700
Repayments of long-term debt	(421)	(13)
Cash paid on redeemable preferred securities of subsidiary	(14)	(27)
Proceeds from exercise of stock options	424	202
Acquisitions of common stock for the treasury	(651)	(1,206)
Other	14	13
Cash Used for Financing	(638)	(593)
Effect of exchange rate changes on Cash and Cash Equivalents	15	36
Increase (decrease) in Cash and Cash Equivalents	230	32
Cash and Cash Equivalents, beginning of year	764	876
Cash and Cash Equivalents, end of period	$ 994	$ 908