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Price Risk Management Counterparties Representing 10% or More (Details)	Sep. 30, 2014	Dec. 31, 2013
Assets from price risk management activities:
Counterparty A	37.00%	53.00%
Counterparty B	20.00%	5.00%
Counterparty C	11.00%	0.00%
Total	68.00%	58.00%
Liabilities from price risk management activities:
Counterparty D	39.00%	43.00%
Counterparty E	15.00%	11.00%
Total	54.00%	54.00%

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- Definition

Represents aggregate of individually significant counterparties of total assets arising from derivative instruments from price risk management activities.

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- Definition

Represents aggregate of individually significant counterparties of total liabilities arising from derivative instruments from price risk management activities.

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Individually significant counterparty of total assets arising from derivative instruments from price risk management activities.

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No definition available.

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- Definition

Individually significant counterparty of total assets arising from derivative instruments from price risk management activities.

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No definition available.

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Individually significant counterparty of total assets arising from derivative instruments from price risk management activities.

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Counterparty D for PRM Liab

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Counterparty E For PRM Liab

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