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v3.19.3

Leases - Narrative Information (Details) | 9 Months Ended
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Sep. 30, 2019
Minimum |
Lessee, Lease, Description [Line Items] |
Lessee, operating and finance leases term | 1 year
Lessee, operating and finance leases, optional renewal term | 1 year
Maximum |
Lessee, Lease, Description [Line Items] |
Lessee, operating and finance leases term | 60 years
Lessee, operating and finance leases, optional renewal term | 40 years

X
- Definition Lessee, Leases, Renewal Term + References No definition available. + Details
Name: | paa_LesseeLeasesRenewalTerm
Namespace Prefix: | paa_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lessee, Leases, Term Of Contract + References No definition available. + Details
Name: | paa_LesseeLeasesTermOfContract
Namespace Prefix: | paa_
Data Type: | xbrli:durationItemType
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_LesseeLeaseDescriptionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |