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Derivative Financial Instruments (Schedule Of Open NGL Derivative Positions) (Details) | 6 Months Ended
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Jun. 30, 2019 $ / bbl bbl
OPIS Mont Belvieu Texas Ethane Price Swaps NGL Q3-Q4 2019 [Member] |
Derivative [Line Items] |
Volume Per Day (Bbls/d) | bbl | 1,000
Weighted Average Price Swap | $ / bbl | 11.55
OPIS Mont Belvieu Texas Natural Gasoline Price Swaps NGL Q3-Q4 2019 [Member] |
Derivative [Line Items] |
Volume Per Day (Bbls/d) | bbl | 4,500
Weighted Average Price Swap | $ / bbl | 55.93
OPIS Mont Belvieu Texas Normal Butane Price Swaps NGL Q3-Q4 2019 [Member] |
Derivative [Line Items] |
Volume Per Day (Bbls/d) | bbl | 4,000
Weighted Average Price Swap | $ / bbl | 33.69
OPIS Mont Belvieu Texas Propane Price Swaps NGL Q3-Q4 2019 [Member] |
Derivative [Line Items] |
Volume Per Day (Bbls/d) | bbl | 8,500
Weighted Average Price Swap | $ / bbl | 30.01
OPIS Mont Belvieu Texas Propane Price Swaps NGL Q1-Q4 2020 [Member] |
Derivative [Line Items] |
Volume Per Day (Bbls/d) | bbl | 2,500
Weighted Average Price Swap | $ / bbl | 27.29

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- Definition 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. + References No definition available. + Details
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- Definition Nominal volume used to calculate payments on a derivative instrument. + References No definition available. + Details
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- Definition Average fixed price related to the group of price risk swap derivatives. + References No definition available. + Details
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