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OTHER LONG-TERM LIABILITIES (Tables) | 12 Months Ended
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Dec. 31, 2012
Particulars of Other long-term liabilities | Other long-term liabilities consist of:
|  | 2012 |  |  | 2011 |
Long-term portion of income taxes payable |  | $ | 94 |  |  | $ | 119 |
Asset retirement obligation |  |  | 39 |  |  |  | 36 |
Long-term portion of fair value of hedges [note 20] |  |  | 10 |  |  |  | 41 |
Deferred revenue |  |  | 11 |  |  |  | 11 |
|  | $ | 154 |  |  | $ | 207 |

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- Definition Schedule of other liabilities noncurrent. + References No definition available. + Details
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Namespace Prefix: | mga_
Data Type: | nonnum:textBlockItemType
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