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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2014
Income Taxes [Abstract] |
Schedule Of Income Tax Expense (Benefit) |
|  | Year Ended December 31,
|  | 2014 |  | 2013 |  | 2012
|  | (In millions)
Current income tax expense (benefit): |  |  |  |  |  |  |  |  |
U.S. federal |  | $ | 152 |  | $ | 73 |  | $ | 60
Various states |  |  | 18 |  |  | (5) |  |  | (3)
Canada and various provinces |  |  | 307 |  |  | 4 |  |  | (5)
Total current tax expense (benefit) |  |  | 477 |  |  | 72 |  |  | 52
Deferred income tax expense (benefit): |  |  |  |  |  |  |  |  |
U.S. federal |  |  | 1,610 |  |  | 198 |  |  | (188)
Various states |  |  | 93 |  |  | 59 |  |  | 34
Canada and various provinces |  |  | 188 |  |  | (160) |  |  | (30)
Total deferred tax expense (benefit) |  |  | 1,891 |  |  | 97 |  |  | (184)
Total income tax expense (benefit) |  | $ | 2,368 |  | $ | 169 |  | $ | (132)
Schedule Of Effective Income Tax Reconciliation |
|  | Year Ended December 31,
|  | 2014 |  | 2013 |  | 2012
Total income tax expense (benefit) (in millions) |  | $ | 2,368 |  | $ | 169 |  | $ | (132)
U.S. statutory income tax rate |  |  | 35% |  |  | 35% |  |  | (35%)
Non-deductible goodwill transactions |  |  | 23% |  |  | 0% |  |  | 0%
Taxation on Canadian operations |  |  | (4%) |  |  | 9% |  |  | (6%)
State income taxes |  |  | 2% |  |  | 23% |  |  | 6%
Repatriations |  |  | 2% |  |  | 65% |  |  | 0%
Taxes on EnLink formation |  |  | 1% |  |  | 0% |  |  | 0%
Other |  |  | (1%) |  |  | (19%) |  |  | (7%)
Effective income tax rate |  |  | 58% |  |  | 113% |  |  | (42%)
Schedule Of Deferred Tax Assets And Liabilities |
|  | December 31,
|  | 2014 |  | 2013
Deferred tax assets: |  | (In millions)
Asset retirement obligations |  | $ | 458 |  | $ | 673
Foreign tax credits |  |  | - |  |  | 248
Net operating loss carryforwards |  |  | 200 |  |  | 183
Alternative minimum tax credits |  |  | 57 |  |  | 105
Pension benefit obligations |  |  | 113 |  |  | 104
Other |  |  | 273 |  |  | 163
Total deferred tax assets |  |  | 1,101 |  |  | 1,476
Deferred tax liabilities: |  |  |  |  |  |
Property and equipment |  |  | (6,940) |  |  | (5,895)
Long-term debt |  |  | (115) |  |  | (161)
Taxes on unremitted foreign earnings |  |  | (6) |  |  | (157)
Fair value of financial instruments |  |  | (699) |  |  | (7)
Other |  |  | (154) |  |  | (52)
Total deferred tax liabilities |  |  | (7,914) |  |  | (6,272)
Net deferred tax liability |  | $ | (6,813) |  | $ | (4,796)
Schedule Of Changes In Unrecognized Tax Benefits |
|  | December 31,
|  | 2014 |  | 2013
|  | (In millions)
Balance at beginning of year |  | $ | 243 |  | $ | 216
Tax positions taken in prior periods |  |  | - |  |  | (17)
Tax positions taken in current year |  |  | - |  |  | 42
Accrual of interest related to tax positions taken |  |  | 2 |  |  | 5
Foreign currency translation |  |  | (4) |  |  | (3)
Balance at end of year |  | $ | 241 |  | $ | 243
Summary Of The Tax Years By Jurisdiction That Remain Subject To Examination By Taxing Authorities |
Jurisdiction |  | Tax Years Open
U.S. Federal |  | 2008-2014
Various U.S. states |  | 2008-2014
Canada Federal |  | 2004-2014
Various Canadian provinces |  | 2004-2014

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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- Definition Tabular disclosure of tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities (i.e., uncertain tax positions) and other types of income tax contingencies, including: (1) the policy on classification of interest and penalties; (2) a tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period; the total amount(s) of: (3) unrecognized tax benefits that, if recognized, would affect the effective tax rate, and (4) interest and penalties recognized in each of the income statement and balance sheet; (5) for positions for which it is reasonably possible that the total amounts unrecognized will significantly change within 12 months of the reporting date the: (i) nature of the uncertainty, (ii) nature of the event that could occur that would cause the change, and (iii) an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made; and (6) a description of tax years that remain subject to examination by major tax jurisdictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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- Definition Tabular disclosure of income tax examinations that an enterprise is currently subject to or that have been completed in the current period typically including a description of the examination, the jurisdiction conducting the examination, the tax year(s) under examination, the likelihood of an unfavorable settlement, the range of possible losses, the liability recorded, the increase or decrease in the liability from the prior period, and any penalties and interest that have been recorded. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 55 -Paragraph 217 -URI http://asc.fasb.org/extlink&oid=32707879&loc=d3e36027-109320 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c),(d)(2)-(3) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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