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Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2014

Asset Retirement Obligations [Abstract]

Summary Of Changes In Asset Retirement Obligations

		Year Ended December 31,
		2014			2013
		(In millions)
Asset retirement obligations as of beginning of period		$	2,228		$	2,095
Liabilities incurred			97			112
Liabilities settled			(56)			(83)
Revision of estimated obligation			70			104
Liabilities assumed by others			(953)			(28)
Accretion expense on discounted obligation			89			115
Foreign currency translation adjustment			(76)			(87)
Asset retirement obligations as of end of period			1,399			2,228
Less current portion			60			88
Asset retirement obligations, long-term		$	1,339		$	2,140

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- Definition

Tabular disclosure of the carrying amount of a liability for asset retirement obligations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

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