Suspended Wells	9 Months Ended
Sep. 30, 2013
Suspended Wells [Abstract]
Suspended Wells	Note 8—Suspended Wells The capitalized cost of suspended wells at September 30, 2013, was $1,066 million, an increase of $28 million from $1,038 million at year-end 2012. No suspended wells were charged to dry hole expense during the first nine months of 2013 relating to exploratory well costs capitalized for a period greater than one year as of December 31, 2012.

The entire disclosure for parts or all of the information related to suspended well costs.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 235

-Section 50

-Paragraph 16

-URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61939-109447

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FAS19-1

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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