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Basis of Presentation and Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified | 6 Months Ended
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Jun. 30, 2013 | Jun. 30, 2012
Basis of Presentation and Summary of Significant Accounting Policies (Textual) |  |
Proceeds from collection of notes receivable | $ 0 | $ 160
Scenario, Previously Reported [Member] | Paulsboro Refinery [Member] |  |
Basis of Presentation and Summary of Significant Accounting Policies (Textual) |  |
Proceeds from collection of notes receivable |  | $ 160

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- Definition The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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