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Organization and Basis of Consolidation and Presentation - Simplification Transactions (Details) | Nov. 15, 2016
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Simplification Transactions | PAA GP |
Related Party Transaction [Line Items] |
Economic general partner interest converted into non-economic interest | 2.00%

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- Definition Percentage of economic interest held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP), converted into a non-economic interest. + References No definition available. + Details
Name: | paa_LimitedLiabilityCompanyLlcOrLimitedPartnershipLpManagingMemberOrGeneralPartnerEconomicOwnershipInterestConvertedIntoNonEconomicInterest
Namespace Prefix: | paa_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_RelatedPartyTransactionAxis=paa_SimplificationAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=paa_PaaGPLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |