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Impairments (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended | 1 Months Ended | 3 Months Ended | 9 Months Ended |  | 1 Months Ended | 9 Months Ended | 1 Months Ended | 9 Months Ended
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Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2012 Aruba Refinery [Member] | Mar. 31, 2012 Aruba Refinery [Member] | Sep. 30, 2012 Aruba Refinery [Member] | Sep. 30, 2012 Aruba Refinery [Member] | Mar. 28, 2012 Aruba Refinery [Member] | Sep. 30, 2012 Refining Assets [Member] | Sep. 30, 2012 Inventory Related Assets [Member] | Mar. 31, 2012 Construction in Progress [Member] | Sep. 30, 2012 Construction in Progress [Member] | Sep. 30, 2012 Retail [Member] | Sep. 30, 2012 Retail [Member]
Impairments (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-binding purchase offer |  |  |  |  |  |  |  |  | $ 350 |  |  |  |  |  |
Asset impairment losses | 0 | 345 | 0 | 956 | 333 | 595 | 333 | 928 |  | 308 | 25 | 16 | 16 | 12 | 12
Long-lived assets, fair value |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5 | $ 5

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228 + Details
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- Details
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- Definition Fair value portion of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19190-110258 + Details
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- Definition Non-binding indication of a third party's interest to purchase an asset or group of assets. + References No definition available. + Details
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