XML 23 R4.htm IDEA: XBRL DOCUMENT
v3.22.4

CONSOLIDATED BALANCE SHEETS (Parenthetical) - shares | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | --- | ---
Series A Preferred Units |  |  |  |
Units outstanding (in units) | 71,090,468 | 71,090,468 | 71,090,468 | 71,090,468
Series B Preferred Units |  |  |  |
Units outstanding (in units) | 800,000 | 800,000 | 800,000 | 800,000
Common Units |  |  |  |
Units outstanding (in units) | 698,354,498 | 704,991,540 | 722,380,416 | 728,028,576

X
- Definition The number of limited partner units outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770 + Details
Name: | us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_LimitedPartnersCapitalAccountByClassAxis=paa_SeriesAPreferredUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LimitedPartnersCapitalAccountByClassAxis=paa_SeriesBPreferredUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LimitedPartnersCapitalAccountByClassAxis=paa_CommonUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |