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Organization and Basis of Presentation (Details) | 0 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 02, 2012 | Dec. 31, 2012 segment owner
Organization and Basis of Presentation |  |
Operating segments number |  | 3
General partner ownership interest (as a percent) |  | 2.00%
Number of principal owners of Plains AAP, L.P., and Plains All American GP LLC |  | 19
Unit split conversion ratio | 2 |
Partner Income Allocation |  |
Ownership interest (as a percent) |  | 1.00%
Maximum |  |
Partner Income Allocation |  |
Ownership interest (as a percent) |  | 35.00%

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- Definition The number of units or percentage investment held by the managing member or general partner of the LLC or LP. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 + Details
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- Definition This item represents the conversion ratio used in the calculation of a stock split. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Stock Split -URI http://asc.fasb.org/extlink&oid=6525746 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187143-122770 + Details
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