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EARNINGS PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2012
Computation of Earnings Per Share | Earnings per share are computed as follows:
|  | 2012 |  |  | 2011 |  |  | 2010 |
Basic earnings per Common or Class B Share: |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Magna International Inc. |  | $ | 1,433 |  |  | $ | 1,018 |  |  | $ | 1,003 |
Average number of Common and Class B Shares outstanding during the year |  |  | 232.4 |  |  |  | 239.3 |  |  |  | 230.0 |
Basic earnings per Common or Class B Share |  | $ | 6.17 |  |  | $ | 4.26 |  |  | $ | 4.36 |
Diluted earnings per Common or Class B Share: |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Magna International Inc. |  | $ | 1,433 |  |  | $ | 1,018 |  |  | $ | 1,003 |
Average number of Common and Class B Shares outstanding during the year |  |  | 232.4 |  |  |  | 239.3 |  |  |  | 230.0 |
Adjustments |  |  |  |  |  |  |  |  |  |  |  |
Stock options and restricted stock [a] |  |  | 2.8 |  |  |  | 3.5 |  |  |  | 3.0 |
|  |  | 235.2 |  |  |  | 242.8 |  |  |  | 233.0 |
Diluted earnings per Common or Class B Share |  | $ | 6.09 |  |  | $ | 4.20 |  |  | $ | 4.30 |
[a] | Diluted earnings per Common or Class B Share exclude 2.3 million [2011 – 2.1 million; 2010 – 3.9 million] Common Shares issuable under the Company’s Incentive Stock Option Plan because these options were not “in-the-money”.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
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