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Other (Income) Expenses, Net | 12 Months Ended
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Dec. 31, 2012
Other (Income) Expenses, Net | O. Other (Income) Expenses, Net
|  | 2012 |  |  | 2011 |  |  | 2010 |
Equity loss (income) |  | $ | 28 |  |  | $ | (15 | ) |  | $ | (14 | )
Interest income |  |  | (31 | ) |  |  | (20 | ) |  |  | (19 | )
Foreign currency (gains) losses, net |  |  | (5 | ) |  |  | 16 |  |  |  | 13 |
Net gain from asset sales |  |  | (321 | ) |  |  | (41 | ) |  |  | (9 | )
Net (gain) loss on mark-to-market derivative contracts (X) |  |  | (13 | ) |  |  | (52 | ) |  |  | 37 |
Other, net |  |  | 1 |  |  |  | 25 |  |  |  | (3 | )
|  | $ | (341 | ) |  | $ | (87 | ) |  | $ | 5 |
In 2012, Net gain from asset sales included a $320 gain related to the sale of the Tapoco Hydroelectric Project (see Note F). In 2011, Equity income included higher earnings from an investment in a natural gas pipeline in Australia due to the recognition of a discrete income tax benefit by the consortium (Alcoa World Alumina and Chemicals’ share of the benefit was $24). Also in 2011, Net gain from asset sales included a $43 gain related to the sale of land in Australia.

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- Definition The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3,6,7,9) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 3, 6, 7, 9 -Article 5 + Details
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