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Risk Management and Fair Values (Schedules Of Valuation Techniques) (Details) - Parent Company [Member] $ in Millions | Mar. 31, 2016 USD ($)
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Range From Average Percentage for Electricity Options | 30.00%
Range from Average Percentage for Fair Value of Electricity Swaps | 3.00%
Effect of Significant Unobservable Inputs on Fair Value of Electricity Swaps | $ 7
Effect of Significant Unobservable Inputs on Fair Value of Electricity Options | 10
Fair Value of Electricity Options | 34
Fair Value of Electricity Swaps | $ 149

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- Definition The effect of significant unobservable inputs on the fair value of electricity options. + References No definition available. + Details
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- Definition The effect of significant unobservable inputs on the fair value of electricity swaps. + References No definition available. + Details
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- Definition The fair value of electricity options classified as Level 3 in the fair value hierarchy. + References No definition available. + Details
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- Definition The fair value of electricity swaps classified as Level 3 in the fair value hierarchy + References No definition available. + Details
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- Definition The range from the average percentage used when calculating the fair value of electricity options classified as Level 3 in the fair value hierarchy + References No definition available. + Details
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- Definition The range from the average percentage used when calculating the fair value of electricity swaps classified as Level 3 in the fair value hierarchy + References No definition available. + Details
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- Details
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