The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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-Publisher FASB

-Name Accounting Standards Codification

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-Name Accounting Standards Codification

-Glossary Asset Retirement Obligation

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- Definition

Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

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.

+ References

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-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

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-Topic 944

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-Section S99

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-Subparagraph (SX 210.7-04.12)

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-Number 210

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- Definition

Amount classified as accrued liabilities attributable to disposal group held for sale or disposed of.

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-Topic 205

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Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Liabilities and Expenses Related to the Aruba Refinery (Textual)
Asset retirement obligation charged to accretion expense				$ 63	$ 0
Aruba Refinery [Member]
Selected Results of Operations of the Aruba Refinery
Operating revenues	0		0	0	0
Income (loss) before income taxes	0		0	(64)	6
Liabilities and Expenses Related to the Aruba Refinery (Textual)
Asset retirement obligation recognized		59
Asset retirement obligation charged to accretion expense		59
Liabilities recognized for obligations under certain contracts		$ 4