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LONG-TERM INVESTMENTS (Tables) | 12 Months Ended
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Dec. 31, 2012
Long-term investments |
11. | LONG-TERM INVESTMENTS
|  | December 31, 2012 |  |  | December 31, 2011 |
Equity-method investments |  |  | 106 |  |  |  | 94 |
Cost-method investments |  |  | 13 |  |  |  | 27 |
Total |  |  | 119 |  |  |  | 121 |
Equity investments | Equity-method investments as at December 31, 2012 and December 31, 2011 were as follows:
In millions of U.S. dollars, except percentages |  | December 31, 2012 |  |  | December 31, 2011 |
|  | Carrying value |  |  | Ownership percentage |  |  | Carrying value |  |  | Ownership percentage |
ST-Ericsson AT SA |  |  | 9 |  |  |  | 49.0 | % |  |  | 16 |  |  |  | 49.0 | %
3Sun S.r.l. |  |  | 91 |  |  |  | 33.3 | % |  |  | 78 |  |  |  | 33.3 | %
MicroOLED SAS |  |  | 6 |  |  |  | 39.6 | % |  |  | — |  |  |  | — |
Total |  |  | 106 |  |  |  |  |  |  |  | 94 |  |  |  |  |

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- Definition Tabular disclosure of equity method investments in common stock. The disclosure may include: (a) the name of each investee or group of investments for which combined disclosure is appropriate, (2) the percentage ownership of common stock, (3) the difference, if any, between the carrying amount of an investment and the value of the underlying equity in the net assets and the accounting treatment of difference, if any, and (4) the aggregate value of each identified investment based on its quoted market price, if available. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 20 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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- Definition Tabular disclosure of the summary of investment holdings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-12C) -URI http://asc.fasb.org/extlink&oid=6955306&loc=d3e611225-123010 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12C -Article 12 + Details
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