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Supplemental Cash Flow Information (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Decrease (increase) in current assets: |  |
Receivables, net | $ 409 | $ 1,159
Inventories | (1,074) | (471)
Income taxes receivable | 79 | (14)
Prepaid expenses and other | (233) | 6
Increase (decrease) in current liabilities: |  |
Accounts payable | 561 | 410
Accrued expenses | 181 | (100)
Taxes other than income taxes | 318 | 9
Income taxes payable | 14 | (96)
Changes in current assets and current liabilities | 255 | 903
Cash Flows Related to Interest and Income Taxes |  |
Interest paid in excess of amount capitalized | 56 | 45
Income taxes paid, net | $ 48 | $ 142

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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 29 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 27 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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