Condensed Consolidated Cash Flow Statement (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Operating Activities
Net income	$ 1,542	$ 1,262
Depreciation and amortization	642	821
Stock-based compensation	57	37
Increase in operating working capital	(335)	(155)
Deferred income taxes	320	200
Net losses on asset dispositions	15	1
Equity companies' earnings in excess of dividends paid	(53)	(46)
Postretirement benefits	(11)	(331)
Other	(8)	(18)
Cash Provided by Operations	2,169	1,771
Investing Activities
Capital spending	(763)	(656)
Proceeds from Collection of Notes Receivable	0	220
Proceeds from sales of investments	14	21
Proceeds from dispositions of property	6	23
Investments in time deposits	(61)	(122)
Maturities of time deposits	78	115
Other	(3)	4
Cash Used for Investing	(729)	(395)
Financing Activities
Cash dividends paid	(859)	(824)
Net increase (decrease) in short-term debt	464	14
Proceeds from issuance of long-term debt	315	799
Repayments of long-term debt	(471)	(20)
Cash paid on redeemable preferred securities of subsidiary	(21)	(40)
Proceeds from exercise of stock options	523	294
Acquisitions of common stock for the treasury	(962)	(1,246)
Other	25	(8)
Cash Used for Financing	(986)	(1,031)
Effect of exchange rate changes on Cash and Cash Equivalents	31	11
Increase (decrease) in Cash and Cash Equivalents	485	356
Cash and Cash Equivalents, beginning of year	764	876
Cash and Cash Equivalents, end of period	$ 1,249	$ 1,232