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Derivative Financial Instruments (Schedule Of Open Natural Gas Derivative Positions) (Details) | 9 Months Ended
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Sep. 30, 2015 MMBTU $ / MMBTU
FERC Henry Hub Price Swaps Natural Gas Q4 2015 [Member] |
Derivatives, Fair Value [Line Items] |
Volume Per Day (MMBtu/d) | MMBTU | 250,000
Weighted Average Price Swap | 4.32
FERC Henry Hub Price Collars Natural Gas Q4 2015 [Member] |
Derivatives, Fair Value [Line Items] |
Volume Per Day (MMBtu/d) | MMBTU | 480,000
Weighted Average Floor Price | 3.52
Weighted Average Ceiling Price | 3.83
FERC Henry Hub Call Options Sold Natural Gas Q4 2015 [Member] |
Derivatives, Fair Value [Line Items] |
Volume Per Day (MMBtu/d) | MMBTU | 550,000
Weighted Average Call Option Sold Price | 5.09
FERC Henry Hub Price Swaps Natural Gas Q1-Q4 2016 [Member] |
Derivatives, Fair Value [Line Items] |
Volume Per Day (MMBtu/d) | MMBTU | 24,863
Weighted Average Price Swap | 3.17
FERC Henry Hub Price Collars Natural Gas Q1-Q4 2016 [Member] |
Derivatives, Fair Value [Line Items] |
Volume Per Day (MMBtu/d) | MMBTU |
Weighted Average Floor Price |
Weighted Average Ceiling Price |
FERC Henry Hub Call Options Sold Natural Gas Q1-Q4 2016 [Member] |
Derivatives, Fair Value [Line Items] |
Volume Per Day (MMBtu/d) | MMBTU | 400,000
Weighted Average Call Option Sold Price | 4.73
PEPL Basis Swaps Natural Gas Q4 2015 [Member] |
Derivatives, Fair Value [Line Items] |
Volume Per Day (MMBtu/d) | MMBTU | 100,000
Weighted Average Differential To Henry Hub | (0.28)
El Paso Natural Gas Basis Swaps Q4 2015 [Member] |
Derivatives, Fair Value [Line Items] |
Volume Per Day (MMBtu/d) | MMBTU | 70,000
Weighted Average Differential To Henry Hub | (0.11)
Houston Ship Channel Natural Gas Basis Swaps Q4 2015 [Member] |
Derivatives, Fair Value [Line Items] |
Volume Per Day (MMBtu/d) | MMBTU | 200,000
Weighted Average Differential To Henry Hub | 0.01
PEPL Basis Swaps Natural Gas Q1-Q4 2016 [Member] |
Derivatives, Fair Value [Line Items] |
Volume Per Day (MMBtu/d) | MMBTU | 175,000
Weighted Average Differential To Henry Hub | (0.34)
El Paso Natural Gas Basis Swaps Q1-Q4 2016 [Member |
Derivatives, Fair Value [Line Items] |
Volume Per Day (MMBtu/d) | MMBTU | 15,000
Weighted Average Differential To Henry Hub | (0.13)
Houston Ship Channel Natural Gas Basis Swaps Q1-Q4 2016 [Member] |
Derivatives, Fair Value [Line Items] |
Volume Per Day (MMBtu/d) | MMBTU | 30,000
Weighted Average Differential To Henry Hub | 0.11
Transco Zone 4 Natural Gas Basis Swaps Q1-Q4 2016 [Member] |
Derivatives, Fair Value [Line Items] |
Volume Per Day (MMBtu/d) | MMBTU | 60,000
Weighted Average Differential To Henry Hub | 0.01
PEPL Basis Swaps Natural Gas Q1-Q4 2017 [Member] |
Derivatives, Fair Value [Line Items] |
Volume Per Day (MMBtu/d) | MMBTU | 60,000
Weighted Average Differential To Henry Hub | (0.34)
El Paso Natural Gas Basis Swaps Q1-Q4 2017 [Member] |
Derivatives, Fair Value [Line Items] |
Volume Per Day (MMBtu/d) | MMBTU | 30,000
Weighted Average Differential To Henry Hub | (0.14)
Houston Ship Channel Natural Gas Basis Swaps Q1-Q4 2017 [Member] |
Derivatives, Fair Value [Line Items] |
Volume Per Day (MMBtu/d) | MMBTU | 35,000
Weighted Average Differential To Henry Hub | 0.06
Transco Zone 4 Natural Gas Basis Swaps Q1-Q4 2017 [Member] |
Derivatives, Fair Value [Line Items] |
Volume Per Day (MMBtu/d) | MMBTU | 85,000
Weighted Average Differential To Henry Hub | 0.04

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- Definition The average cap rate on a group of price risk derivatives such as caps or collars. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract. + References No definition available. + Details
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- Definition The average floor rate on a group of price risk derivatives such as floors or collars. A payment or receipt is triggered if the market rate falls below the floor rate on the contract. + References No definition available. + Details
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