v2.4.0.8

Derivative Financial Instruments (Commodity Contracts) (Details) (Commodity Contracts [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Commodity Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion of Cash Flow Hedges Recognized in Other Comprehensive Income (Loss)	$ 32,035	$ (25,891)	$ (191,267)	$ (47,030)

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- Details

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- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959

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