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Represents the number of contracts designated as cash flow hedges.

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Represents the percentage of the entity's share in the expected natural gas purchase which was hedge by swap agreement.

No definition available.

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Represents the percentage of the entity's expected uncontracted gas requirements on the basis of which the contract price is fixed.

No definition available.

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Interest rate that will be received or paid upon the exercise of the interest rate swaption contract after the addition of applicable margin in the fixed rate of the swap.

No definition available.

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Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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Face (par) amount of debt instrument at time of issuance.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
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The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

No definition available.

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High end of the range of fixed interest rates when a range is presented for a group of interest rate derivatives.

No definition available.

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High end of the range of percentage points added to the reference rate to compute the variable rate on the group of interest rate derivatives.

No definition available.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Low end of the range of fixed interest rates when a range is presented for a group of interest rate derivatives.

No definition available.

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Low end of the range of percentage points added to the reference rate to compute the variable rate on the group of interest rate derivatives.

No definition available.

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Nominal energy measure used to calculate payments on a derivative instrument.

No definition available.

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Fixed interest rate that will be received or paid upon exercise of the interest rate swaption contract.

No definition available.

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The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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