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Income Taxes (Schedule Of Effective Income Tax Reconciliation) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Income Taxes [Abstract] |  |  |  |
Total income tax expense (benefit) | $ 613 | $ 210 | $ 1,698 | $ (99)
U.S. statutory income tax rate | 35.00% | 35.00% | 35.00% | (35.00%)
Repatriations |  |  | 7.00% |
State income taxes | 2.00% | 1.00% | 1.00% | (3.00%)
Taxation on Canadian operations |  | (5.00%) | 1.00% | 9.00%
Taxes on EnLink formation |  |  | 1.00% |
Other |  | 2.00% |  | (1.00%)
Effective income tax rate | 37.00% | 33.00% | 45.00% | (30.00%)

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