Consolidated Cash Flow Statement (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Operating Activities
Net Income	$ 1,684	$ 1,943	$ 1,994
Depreciation and amortization	1,091	813	783
Asset Impairment Charges	58
Stock-based Compensation	48	52	86
Deferred income taxes	274	(12)	141
Net losses on asset dispositions	(6)	26	36
Equity companies' earnings in excess of dividends paid	(23)	(48)	(53)
(Increase) decrease in operating working capital	(262)	24	1,105	[1]
Postretirement benefits	(574)	(125)	(609)
Other	(2)	71	(2)
Cash Provided by Operations	2,288	2,744	3,481
Investing Activities
Capital spending	(968)	(964)	(848)
Proceeds from maturity of note receivable	220
Acquisitions of businesses, net of cash acquired			458
Proceeds from sales of investments	28	47	40
Investments in time deposits	(158)	(131)	(270)
Maturities of time deposits	141	248	223
Proceeds from disposition of property	51	9	25
Other	5	10	0
Cash Used for Investing	(681)	(781)	(1,288)
Financing Activities
Cash dividends paid	(1,099)	(1,066)	(986)
Net increase (decrease) in short-term debt	13	(28)	(312)
Proceeds from issuance of long-term debt	839	515	2
Repayments of long-term debt	(107)	(506)	(278)
Redemption of redeemable preferred securities of subsidiarry	(500)
Cash paid on redeemable preferred securities of subsidiary	(57)	(54)	(53)
Proceeds from exercise of stock options	435	131	165
Acquisitions of common stock for the treasury	(1,246)	(803)	(7)
Shares purchased from noncontrolling interests			(293)
Other	(19)	(48)	(26)
Cash Used for Financing	(1,741)	(1,859)	(1,788)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	22	(26)	29
(Decrease) increase in Cash and Cash Equivalents	(112)	78	434
Cash and Cash Equivalents, beginning of year	876	798	364
Cash and Cash Equivalents, end of year	$ 764	$ 876	$ 798

[1] Excludes the effects of acquisitions and dispositions.