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Partners' Capital and Distributions - Income Allocation and Distributions to Unitholders (Details) | 12 Months Ended
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Dec. 31, 2024
Partners' Capital Notes [Abstract] |
Net income allocation (as a percent) | 100.00%
Number of days after end of quarter within which distributions must be paid to unitholders (in days) | 45 days

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- Definition The number of days after the end of the relevant quarter within which distributions of available cash must be paid to unitholders. + References No definition available. + Details
Name: | paa_NumberOfDaysRequiredForDistributionToUnitholdersAfterEndOfQuarter
Namespace Prefix: | paa_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Partnership Agreement, Net Income Allocation Percent + References No definition available. + Details
Name: | paa_PartnershipAgreementNetIncomeAllocationPercent
Namespace Prefix: | paa_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_PartnersCapitalNotesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration