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CONTINGENCIES (Details) In Millions, unless otherwise specified | 6 Months Ended |  | 3 Months Ended | 6 Months Ended |  | 3 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2014 USD ($) | Jun. 30, 2014 EEP | Jun. 30, 2014 Line 6B Crude Oil Release USD ($) | Jun. 30, 2014 Line 6B Crude Oil Release CAD | Jun. 30, 2014 Line 6B Crude Oil Release USD ($) | Jun. 30, 2014 Line 6B Crude Oil Release CAD | Mar. 31, 2013 Line 6B Crude Oil Release item | Jun. 30, 2014 Line 6B Crude Oil Release EEP USD ($) item | Apr. 30, 2011 Line 6B Crude Oil Release EEP USD ($)
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |
Ownership interest (as a percent) |  | 20.50% |  |  |  |  |  |  |
Estimated cost |  |  | $ 1,157 |  | $ 1,157 |  |  |  |
Estimated cost, net of tax |  |  |  | 186 |  | 186 |  |  |
Estimated increase in cost |  |  | 35 |  | 35 |  |  |  |
Estimated increase in cost, net of tax |  |  |  | 5 |  | 5 |  |  |
Estimated fine or penalty amount |  |  |  |  |  |  |  | 30 |
Increase in estimated cost |  |  |  |  |  |  |  | 30 |
Aggregate limited amount for pollution liability under insurance program | 700 |  |  |  |  |  |  |  | 650
Amount of to date insurance claim recorded |  |  | 547 |  | 547 |  |  |  |
Amount of to date insurance claim recorded, net of tax |  |  |  | 80 |  | 80 |  |  |
Expected insurance recovery |  |  |  |  |  |  |  | 650 |
Number of actions or claims filed |  |  |  |  |  |  | 1 | 17 |
Increased amount of deductible applicable to oil pollution events (per event) | 30 |  |  |  |  |  |  |  |
Previous amount of deductible applicable to oil pollution events (per event) | $ 10 |  |  |  |  |  |  |  |

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