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Inventories (Tables) | 9 Months Ended
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Sep. 30, 2014
Inventory Disclosure [Abstract] |
Schedule of Inventory Components |
|  | September 30, 2014 |  |  | December 31, 2013 |
Finished goods |  | $ | 725 |  |  | $ | 578 |
Work-in-process |  |  | 1,054 |  |  |  | 828 |
Bauxite and alumina |  |  | 601 |  |  |  | 581 |
Purchased raw materials |  |  | 541 |  |  |  | 474 |
Operating supplies |  |  | 217 |  |  |  | 244 |
|  | $ | 3,138 |  |  | $ | 2,705 |

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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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