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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
OPERATING ACTIVITIES    
Net income $ 89 $ 235
Adjustments to reconcile net income to cash provided by (used for) operating activities:    
Foreign exchange loss (gain) on debt (15) (43)
Bad debt expense 16 (4)
Depreciation, depletion and amortization 120 104
Stock-based compensation expense 19 15
Deferred income taxes (34) (11)
Changes in operating assets and liabilities, excluding the effects of acquisitions:    
Trade accounts receivable (439) (212)
Inventories (549) 40
Prepayments and advances to suppliers (57) (98)
Trade accounts payable and accrued liabilities 653 342
Net unrealized gain/loss on derivative contracts (3) 84
Margin deposits (95) 330
Other, net (7) (48)
Cash provided by (used for) operating activities (302) 734
INVESTING ACTIVITIES    
Payments made for capital expenditures (224) (207)
Acquisitions of businesses (net of cash acquired) (98) (62)
Proceeds from investments 18 16
Payments for investments (9) (12)
Investments in affiliates, net (49) (8)
Other, net 41 (9)
Cash provided by (used for) investing activities (321) (282)
FINANCING ACTIVITIES    
Net change in short-term debt with maturities of 90 days or less 69 (70)
Proceeds from short-term debt with maturities greater than 90 days 194 76
Repayments of short-term debt with maturities greater than 90 days (225) (732)
Proceeds from long-term debt 1,488 731
Repayments of long-term debt (457) (221)
Proceeds from sale of common shares 8 12
Dividends paid (47) (48)
Other, net 3 22
Cash provided by (used for) financing activities 1,033 (230)
Effect of exchange rate changes on cash and cash equivalents 5 12
Net increase (decrease) in cash and cash equivalents 415 234
Cash and cash equivalents, beginning of period 835 578
Cash and cash equivalents, end of period $ 1,250 $ 812