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Derivatives and Risk Management Activities (Details 3) In Millions, unless otherwise specified | Dec. 31, 2013 Foreign exchange contracts CAD | Dec. 31, 2013 Foreign exchange forward contracts maturing in 2014 CAD | Dec. 31, 2013 Foreign exchange forward contracts that exchange CAD for USD at the rate USD 1.00 to CAD 1.06 maturing in 2014 USD ($) | Dec. 31, 2013 Foreign exchange forward contracts that exchange CAD for USD at the rate USD 1.00 to CAD 1.06 maturing in 2014 CAD | Dec. 31, 2013 Foreign exchange forward contracts that exchange CAD for USD at the rate USD 1.00 to CAD 1.07 maturing in 2015 USD ($) | Dec. 31, 2013 Foreign exchange forward contracts that exchange CAD for USD at the rate USD 1.00 to CAD 1.07 maturing in 2015 CAD | Dec. 31, 2013 Foreign exchange forward contracts that exchange CAD for USD at the rate USD 1.00 to CAD 1.06 USD ($) | Dec. 31, 2013 Foreign exchange forward contracts that exchange CAD for USD at the rate USD 1.00 to CAD 1.06 CAD | Dec. 31, 2013 Foreign exchange forward contract that exchange USD for CAD at the rate USD 1.00 to CAD 1.05 maturing in 2014 USD ($) | Dec. 31, 2013 Foreign exchange forward contract that exchange USD for CAD at the rate USD 1.00 to CAD 1.05 maturing in 2014 CAD | Dec. 31, 2013 Foreign exchange forward contract that exchange USD for CAD at the rate USD 1.00 to CAD 1.06 maturing in 2015 USD ($) | Dec. 31, 2013 Foreign exchange forward contract that exchange USD for CAD at the rate USD 1.00 to CAD 1.06 maturing in 2015 CAD | Dec. 31, 2013 Foreign exchange forward contract that exchange USD for CAD at the rate USD 1.00 to CAD 1.05 USD ($) | Dec. 31, 2013 Foreign exchange forward contract that exchange USD for CAD at the rate USD 1.00 to CAD 1.05 CAD
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Currency Exchange Rate Risk Hedging: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount of derivatives | 4 | 4 | $ 336 | 358 | $ 9 | 9 | $ 345 | 367 | $ 336 | 354 | $ 9 | 9 | $ 345 | 363
Average exchange rate for outstanding foreign currency forward exchange contracts |  |  |  | 1.06 |  | 1.07 |  | 1.06 |  | 1.05 |  | 1.06 |  | 1.05

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Average contractual rate at which a foreign currency can be purchased or sold. + References No definition available. + Details
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- Details
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