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Impairments (Tables) | 9 Months Ended
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Sep. 30, 2012
Impairments [Abstract] |
Impairment Charges by Segment Before Tax |
Note 8—Impairments
During the three- and nine-month periods of 2012 and 2011, we recognized before-tax impairment charges within the following segments:
|  | Millions of Dollars
|  | Three Months Ended |  | Nine Months Ended
September 30 | September 30
|  |  | 2012 |  | 2011 |  | 2012 |  | 2011
Canada |  | $ | - |  | - |  | 213 |  | -
Europe |  |  | - |  | - |  | 79 |  | -
Asia Pacific and Middle East |  |  | - |  | - |  | 4 |  | -
|  | $ | - |  | - |  | 296 |  | -

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- Definition Impairment charges by segment before tax. + References No definition available. + Details
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- Details
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