v3.4.0.3

DERIVATIVES AND RISK MANAGEMENT ACTIVITIES Narrative (Details) bbl in Millions |  |  | 3 Months Ended
--- | --- | --- | ---
Mar. 31, 2016 USD ($) bbl | Dec. 31, 2015 USD ($) bbl | Mar. 31, 2016 USD ($)
Derivative [Line Items] |  |  |
Margin Deposit | $ 2,000,000 | $ 0 | $ 2,000,000
Interest rate swaps | Cash Flow Hedges |  |  |
Derivative [Line Items] |  |  |
Interest Rate Swaps Interest Rate Received |  |  | receive a rate based on three month USD LIBOR
Notional amount of forward-starting interest rate swaps | $ 600,000,000 | $ 600,000,000.0 | $ 600,000,000
Commodity contracts |  |  |
Derivative [Line Items] |  |  |
Notional amount of commodity contracts, volume (in barrels) | bbl | 4.8 | 8.0 |

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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 Interest rate received under the terms of the interest rate swap agreements. + References No definition available. + Details
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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 The amount of cash or securities placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8,17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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