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

X

- 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

X

- 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

X

- 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: