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Asset Impairments (Tables) | 12 Months Ended
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Dec. 31, 2014
Asset Impairments [Abstract] |
Schedule Of Asset Impairments |
| Year Ended December 31, 2014 |  | Year Ended December 31, 2013 |  | Year Ended December 31, 2012
| Gross |  | Net of Taxes |  | Gross |  | Net of Taxes |  | Gross |  | Net of Taxes
| (In millions)
Goodwill | $ | 1,941 |  | $ | 1,941 |  | $ | - |  | $ | - |  | $ | - |  | $ | -
U.S. oil and gas assets |  | - |  |  | - |  |  | 1,110 |  |  | 707 |  |  | 1,793 |  |  | 1,142
Canada oil and gas assets |  | - |  |  | - |  |  | 843 |  |  | 632 |  |  | 163 |  |  | 122
Midstream assets |  | 12 |  |  | 7 |  |  | 23 |  |  | 14 |  |  | 68 |  |  | 44
Asset impairments | $ | 1,953 |  | $ | 1,948 |  | $ | 1,976 |  | $ | 1,353 |  | $ | 2,024 |  | $ | 1,308

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- Definition Tabular disclosure for impairment of long-lived assets held and used by an entity which includes a description of the impaired long-lived asset and facts and circumstances leading to the impairment, aggregate amount of the impairment loss and where the loss is located in the income statement, method(s) for determining fair value, and the segment in which the impaired long-lived asset is reported. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section CC -Subsection 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 + Details
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