Financial Instruments and Risk Management (WTI Open Contracts) (Details) (October to December 2014 [Member])	Sep. 30, 2014
October to December 2014 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Volumes (barrels per day)	22,000
Swap Prices	93.26

The delivery price committed to in the contract.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Industry Guide

-Number 2

-Paragraph 8

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