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Basis of Presentation and Significant Accounting Policies (Details) - Aruba Refinery [Member] $ in Millions	9 Months Ended
	Sep. 30, 2014 USD ($)
Reclass of Aruba Refinery (Textual)
Operating revenues	$ 0
Loss from discontinued operations	$ (64)

Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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