Statement of Consolidated Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash from Operations
Net income	$ 162	$ 805	$ 392
Adjustments to reconcile net income to cash from operations:
Depreciation, depletion, and amortization	1,462	1,481	1,451
Deferred income taxes (T)	(99)	(181)	(287)
Equity loss (income), net of dividends	2	(26)	(22)
Restructuring and other charges (D)	87	281	207
Net gain from investing activities-asset sales (O)	(321)	(41)	(9)
Loss from discontinued operations (B)		3	8
Stock-based compensation (R)	67	83	84
Excess tax benefits from stock-based payment arrangements	(1)	(6)	(1)
Other	63	53	151
Changes in assets and liabilities, excluding effects of acquisitions, divestitures, and foreign currency translation adjustments:
Decrease (increase) in receivables	104	(115)	(102)
Decrease (increase) in inventories	96	(339)	(217)
Decrease in prepaid expenses and other current assets		74	27
(Decrease) increase in accounts payable, trade	(12)	394	328
(Decrease) in accrued expenses	(83)	(38)	(239)
(Decrease) increase in taxes, including income taxes	(47)	118	503
Pension contributions (W)	(561)	(336)	(113)
(Increase) in noncurrent assets	9	(154)	(83)
Increase in noncurrent liabilities	572	147	183
(Increase) in net assets held for sale (B)			(7)
Cash provided from continuing operations	1,500	2,203	2,254
Cash (used for) provided from discontinued operations	(3)	(10)	7
Cash provided from operations	1,497	2,193	2,261
Financing Activities
Net change in short-term borrowings (original maturities of three months or less) (K)	(10)	(31)	(44)
Net change in commercial paper (K)	(224)	224
Additions to debt (original maturities greater than three months) (K)	972	1,256	1,126
Debt issuance costs (K)	(5)	(17)	(6)
Payments on debt (original maturities greater than three months) (K)	(1,489)	(1,194)	(1,757)
Proceeds from exercise of employee stock options (R)	12	37	13
Excess tax benefits from stock-based payment arrangements	1	6	1
Dividends paid to shareholders	(131)	(131)	(125)
Distributions to noncontrolling interests	(95)	(257)	(256)
Contributions from noncontrolling interests (M)	171	169	162
Acquisitions of noncontrolling interests (P)			(66)
Cash (used for) provided from financing activities	(798)	62	(952)
Investing Activities
Capital expenditures	(1,261)	(1,287)	(1,015)
Acquisitions, net of cash acquired (F & P)		(240)	(72)
Proceeds from the sale of assets and businesses (F)	615	38	4
Additions to investments (I & N)	(300)	(374)	(352)
Sales of investments (I)	31	54	141
Net change in restricted cash (P)	87	(4)	7
Other	69	(39)	15
Cash used for investing activities	(759)	(1,852)	(1,272)
Effect of exchange rate changes on cash and cash equivalents	(18)	(7)	25
Net change in cash and cash equivalents	(78)	396	62
Cash and cash equivalents at beginning of year	1,939	1,543	1,481
Cash and cash equivalents at end of year	$ 1,861	$ 1,939	$ 1,543