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Derivatives and Risk Management Activities (Details) | Sep. 30, 2013
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Commodity Price Risk Hedging: |
Derivative hedges to manage the risk of not utilizing storage capacity (in barrels per month) | 2,200,000
Net long position associated with crude oil purchases |
Commodity Price Risk Hedging: |
Net derivative positions per day (in barrels) | 316,500
Inventory hedged (in barrels, Mcf or megawatt hours) | 9,800,000
Net short spread position hedging anticipated crude oil lease gathering purchases |
Commodity Price Risk Hedging: |
Net derivative positions per day (in barrels) | 32,800
Inventory hedged (in barrels, Mcf or megawatt hours) | 13,000,000
Crude oil grade spread positions related to anticipated purchases and sales of crude oil |
Commodity Price Risk Hedging: |
Net derivative positions per day (in barrels) | 13,700
Inventory hedged (in barrels, Mcf or megawatt hours) | 1,700,000
Butane/WTI spread positions |
Commodity Price Risk Hedging: |
Net derivative positions per day (in barrels) | 2,500
Inventory hedged (in barrels, Mcf or megawatt hours) | 1,400,000
Long natural gas position for anticipated base gas requirements |
Commodity Price Risk Hedging: |
Inventory hedged (in barrels, Mcf or megawatt hours) | 1,300,000
Short position related to anticipated sales of crude oil, NGL and refined products inventory |
Commodity Price Risk Hedging: |
Inventory hedged (in barrels, Mcf or megawatt hours) | 10,700,000
Short natural gas position related to anticipated natural gas sales |
Commodity Price Risk Hedging: |
Inventory hedged (in barrels, Mcf or megawatt hours) | 29,400,000
PLA crude oil net short position |
Commodity Price Risk Hedging: |
Net derivative positions per day (in barrels) | 1,700
Inventory hedged (in barrels, Mcf or megawatt hours) | 1,400,000
PLA Crude oil long call option position |
Commodity Price Risk Hedging: |
Inventory hedged (in barrels, Mcf or megawatt hours) | 600,000
Long natural gas position for natural gas purchases |
Commodity Price Risk Hedging: |
Inventory hedged (in barrels, Mcf or megawatt hours) | 16,300,000
Short propane position related to subsequent sale of products |
Commodity Price Risk Hedging: |
Inventory hedged (in barrels, Mcf or megawatt hours) | 2,900,000
Short Butane position related to subsequent sale of products |
Commodity Price Risk Hedging: |
Inventory hedged (in barrels, Mcf or megawatt hours) | 900,000
Short WTI position related to subsequent sale of products |
Commodity Price Risk Hedging: |
Inventory hedged (in barrels, Mcf or megawatt hours) | 300,000
Long power position for power supply requirements |
Commodity Price Risk Hedging: |
Inventory hedged (in barrels, Mcf or megawatt hours) | 500,000

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- Definition Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. + 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 Aggregate notional volume of commodity price risk derivatives to hedge the risk of not utilizing storage capacity, represented in barrels per month. + References No definition available. + Details
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