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Basis of Presentation and Summary of Significant Accounting Policies (Details) (Aruba Refinery [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Aruba Refinery [Member]
Reclass of Aruba Refinery (Textual)
Operating revenues	$ 0
Loss before income taxes	$ (1)

Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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