XML 134 R115.htm IDEA: XBRL DOCUMENT
v3.22.4

Commitments and Contingencies - Legal, Environmental or Regulatory (Details) |  |  |  |  | 1 Months Ended | 9 Months Ended | 12 Months Ended | 92 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2022 USD ($) lawsuit | Nov. 01, 2022 USD ($) | Oct. 27, 2022 USD ($) | Oct. 14, 2020 USD ($) | May 31, 2015 bbl | Sep. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) lawsuit | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2022 USD ($) lawsuit | Apr. 25, 2019 USD ($) | Sep. 07, 2018 count
Line 901 Incident |  |  |  |  |  |  |  |  |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |  |  |  |  |  |  |  |  |
Estimated size of release (in bbl) | bbl |  |  |  |  | 2,934 |  |  |  |  |  |  |
Estimated size of release to reach Pacific Ocean (in bbl) | bbl |  |  |  |  | 598 |  |  |  |  |  |  |
Aggregate total estimated costs | $ 740,000,000 |  |  |  |  |  | $ 740,000,000 |  |  | $ 740,000,000 |  |
Exceeded coverage limit under insurance program | 240,000,000 |  |  |  |  |  | 240,000,000 |  |  | 240,000,000 |  |
Coverage limit under insurance program | 500,000,000 |  |  |  |  |  | 500,000,000 |  |  | 500,000,000 |  |
Recoveries from insurance carriers |  |  |  |  |  |  |  |  |  | 280,000,000 |  |
Total release costs probable of recovery | $ 505,000,000 |  |  |  |  |  | 505,000,000 |  |  | $ 505,000,000 |  |
Significant Costs Related To Legal And Environmental Remediation Matters |  |  |  |  |  |  | 95,000,000 | $ 15,000,000 | $ 0 |  |  |
Line 901 Incident | Civil Penalties | Judicial Ruling |  |  |  |  |  |  |  |  |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |  |  |  |  |  |  |  |  |
Penalties or compensation paid |  |  |  | $ 24,000,000 |  |  |  |  |  |  |  |
Line 901 Incident | Compensation for Injuries to, Destruction of, Loss of Use of, Natural Resources | Judicial Ruling |  |  |  |  |  |  |  |  |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |  |  |  |  |  |  |  |  |
Penalties or compensation paid |  |  |  | $ 22,325,000 |  |  |  |  |  |  |  |
Line 901 Incident | May 2016 Indictment |  |  |  |  |  |  |  |  |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |  |  |  |  |  |  |  |  |
Number of felony charges found guilty | count |  |  |  |  |  |  |  |  |  |  |  | 1
Number of misdemeanor charges found guilty | count |  |  |  |  |  |  |  |  |  |  |  | 8
Number of misdemeanor charges found guilty, reporting | count |  |  |  |  |  |  |  |  |  |  |  | 1
Number of misdemeanor charges found guilty, strict liability discharge | count |  |  |  |  |  |  |  |  |  |  |  | 1
Number of misdemeanor charges found guilty, strict liability animal takings | count |  |  |  |  |  |  |  |  |  |  |  | 6
Number of misdemeanor charges not guilty, strict liability animal takings | count |  |  |  |  |  |  |  |  |  |  |  | 1
Line 901 Incident | May 2016 Indictment | Judicial Ruling |  |  |  |  |  |  |  |  |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |  |  |  |  |  |  |  |  |
Fines or penalties assessed |  |  |  |  |  |  |  |  |  |  | $ 3,350,000 |
Line 901 Incident | May 2016 Indictment | Maximum | Judicial Ruling |  |  |  |  |  |  |  |  |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |  |  |  |  |  |  |  |  |
Amount awarded to claimants by Court |  |  |  |  |  |  | $ 150,000 |  |  |  |  |
Line 901 Incident | Class Action Lawsuits |  |  |  |  |  |  |  |  |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |  |  |  |  |  |  |  |  |
Number of cases filed during the period | lawsuit |  |  |  |  |  |  |  |  |  | 9 |  |
Recoveries from insurance carriers |  |  |  |  |  |  |  |  |  | $ 275,000,000 |  |
Line 901 Incident | Class Action Lawsuits | Pending Litigation |  |  |  |  |  |  |  |  |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |  |  |  |  |  |  |  |  |
Number of proceedings pending | lawsuit | 2 |  |  |  |  |  | 2 |  |  | 2 |  |
Line 901 Incident | Class Action Lawsuit Claim of Damages | Settled Litigation |  |  |  |  |  |  |  |  |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement agreement amount, subject to approval |  |  |  |  |  | $ 230,000,000 |  |  |  |  |  |
Payments for legal settlements |  |  | $ 230,000,000 |  |  |  |  |  |  |  |  |
Line 901 Incident | Unitholder Derivative Lawsuits | Settled Litigation |  |  |  |  |  |  |  |  |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |  |  |  |  |  |  |  |  |
Number of proceedings pending | lawsuit | 1 |  |  |  |  |  | 1 |  |  | 1 |  |
Total amount collected from all insurers |  | $ 1,000,000 |  |  |  |  |  |  |  |  |  |
Claim for Reimbursement From Insurance [Member] |  |  |  |  |  |  |  |  |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |  |  |  |  |  |  |  |  |
Recoveries from insurance carriers | $ 3,600,000 |  |  |  |  |  |  |  |  |  |  |
Receivable for remaining portion of release costs probable of recovery from insurance | 225,000,000 |  |  |  |  |  | $ 225,000,000 |  |  | $ 225,000,000 |  |
Denial of Insurance Coverage [Member] |  |  |  |  |  |  |  |  |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |  |  |  |  |  |  |  |  |
Receivable for remaining portion of release costs probable of recovery from insurance | 185,000,000 |  |  |  |  |  | 185,000,000 |  |  | 185,000,000 |  |
Response to Request for Reimbursement Not Received [Member] |  |  |  |  |  |  |  |  |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |  |  |  |  |  |  |  |  |
Receivable for remaining portion of release costs probable of recovery from insurance | 40,000,000 |  |  |  |  |  | 40,000,000 |  |  | 40,000,000 |  |
Other long-term assets, net | Line 901 Incident |  |  |  |  |  |  |  |  |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |  |  |  |  |  |  |  |  |
Receivable for remaining portion of release costs probable of recovery from insurance | 225,000,000 |  |  |  |  |  | 225,000,000 |  |  | 225,000,000 |  |
Trade accounts payable and Other current liabilities | Line 901 Incident |  |  |  |  |  |  |  |  |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |  |  |  |  |  |  |  |  |
Remaining undiscounted liability | 105,000,000 |  |  |  |  |  | 105,000,000 |  |  | 105,000,000 |  |
Excluding Line 901 Incident |  |  |  |  |  |  |  |  |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |  |  |  |  |  |  |  |  |
Estimated undiscounted reserve for environmental liabilities | 55,000,000 |  |  |  |  |  | 55,000,000 | 57,000,000 |  | 55,000,000 |  |
Estimated undiscounted reserve for environmental liabilities, short-term | $ 10,000,000 |  |  |  |  |  | $ 10,000,000 | $ 11,000,000 |  | $ 10,000,000 |  |
Estimated undiscounted reserve for environmental liabilities, short-term [Extensible Enumeration] | Other current liabilities |  |  |  |  |  | Other current liabilities | Other current liabilities |  | Other current liabilities |  |
Estimated undiscounted reserve for environmental liabilities, long-term | $ 45,000,000 |  |  |  |  |  | $ 45,000,000 | $ 46,000,000 |  | $ 45,000,000 |  |
Estimated undiscounted reserve for environmental liabilities, long-term [Extensible Enumeration] | Other long-term liabilities and deferred credits |  |  |  |  |  | Other long-term liabilities and deferred credits | Other long-term liabilities and deferred credits |  | Other long-term liabilities and deferred credits |  |
Amounts probable of recovery under insurance and from third parties under indemnification agreements | $ 4,000,000 |  |  |  |  |  | $ 4,000,000 | $ 11,000,000 |  | $ 4,000,000 |  |
Excluding Line 901 Incident | Other long-term assets, net |  |  |  |  |  |  |  |  |  |  |  |
Legal, Environmental or Regulatory Matters |  |  |  |  |  |  |  |  |  |  |  |
Amounts probable of recovery under insurance and from third parties under indemnification agreements | $ 1,000,000 |  |  |  |  |  | $ 1,000,000 |  |  | $ 1,000,000 |  |

X
- Definition Represents the estimated size of the pipeline release. + References No definition available. + Details
Name: | paa_EstimatedSizeOfRelease
Namespace Prefix: | paa_
Data Type: | dtr-types:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Estimated Size Of Release To Reach Body Of Water + References No definition available. + Details
Name: | paa_EstimatedSizeOfReleaseToReachBodyOfWater
Namespace Prefix: | paa_
Data Type: | dtr-types:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Indictment, Number of Felony Charges, Guilty Verdict + References No definition available. + Details
Name: | paa_IndictmentNumberofFelonyChargesGuiltyVerdict
Namespace Prefix: | paa_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Indictment, Number of Misdemeanor Charges, Guilty Verdict + References No definition available. + Details
Name: | paa_IndictmentNumberofMisdemeanorChargesGuiltyVerdict
Namespace Prefix: | paa_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Indictment, Number of Misdemeanor Charges, Guilty Verdict, Reporting Count + References No definition available. + Details
Name: | paa_IndictmentNumberofMisdemeanorChargesGuiltyVerdictReportingCount
Namespace Prefix: | paa_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Indictment, Number of Misdemeanor Charges, Guilty Verdict, Strict Liability Animal Takings Count + References No definition available. + Details
Name: | paa_IndictmentNumberofMisdemeanorChargesGuiltyVerdictStrictLiabilityAnimalTakingsCount
Namespace Prefix: | paa_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Indictment, Number of Misdemeanor Charges, Guilty Verdict, Strict Liability Discharge Count + References No definition available. + Details
Name: | paa_IndictmentNumberofMisdemeanorChargesGuiltyVerdictStrictLiabilityDischargeCount
Namespace Prefix: | paa_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Indictment, Number of Misdemeanor Charges, Not Guilty Verdict, Strict Liability Animal Takings Count + References No definition available. + Details
Name: | paa_IndictmentNumberofMisdemeanorChargesNotGuiltyVerdictStrictLiabilityAnimalTakingsCount
Namespace Prefix: | paa_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Insurance Coverage Limit + References No definition available. + Details
Name: | paa_InsuranceCoverageLimit
Namespace Prefix: | paa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount to be awarded to other party in a settlement agreement entered into during the period that is subject to approval by the court and other conditions. + References No definition available. + Details
Name: | paa_LitigationSettlementAmountAgreedUponSubjectToApproval
Namespace Prefix: | paa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Loss Contingency, Exceeded Insurance Coverage Limit + References No definition available. + Details
Name: | paa_LossContingencyExceededInsuranceCoverageLimit
Namespace Prefix: | paa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents penalty or fine assessed on the entity in connection with an environmental matter. + References No definition available. + Details
Name: | paa_LossContingencyPenaltyOrFineAssessed
Namespace Prefix: | paa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Total estimated recoveries from third parties associated with a loss contingency, including amounts received to date and estimated amounts recoverable. + References No definition available. + Details
Name: | paa_LossContingencyReceivedAndReceivable
Namespace Prefix: | paa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Significant Costs Related To Legal And Environmental Remediation Matters + References No definition available. + Details
Name: | paa_SignificantCostsRelatedToLegalAndEnvironmentalRemediationMatters
Namespace Prefix: | paa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Undiscounted amount of the accrual for environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.Y.Q1) -URI https://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + Details
Name: | us-gaap_AccrualForEnvironmentalLossContingenciesGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 55 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=6571209&loc=d3e13644-110860 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 10 -Subparagraph (d)(1) -URI https://asc.fasb.org/extlink&oid=6393242&loc=d3e13237-110859 + Details
Name: | us-gaap_AccruedEnvironmentalLossContingenciesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 10 -Subparagraph (d)(1) -URI https://asc.fasb.org/extlink&oid=6393242&loc=d3e13237-110859 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 + Details
Name: | us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Indicates line item in statement of financial position that includes accrual for environmental loss contingency classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.Y.Q4) -URI https://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + Details
Name: | us-gaap_EnvironmentalLossContingencyCurrentStatementOfFinancialPositionExtensibleEnumeration
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | instant

X
- Definition Indicates line item in statement of financial position that includes accrual for environmental loss contingency classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.Y.Q4) -URI https://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + Details
Name: | us-gaap_EnvironmentalLossContingencyNoncurrentStatementOfFinancialPositionExtensibleEnumeration
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount awarded to other party in judgment or settlement of litigation. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementAmountAwardedToOtherParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14615-108349 + Details
Name: | us-gaap_LossContingencyAccrualAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of damages awarded to the plaintiff in the legal matter. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyDamagesAwardedValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of damages paid to the plaintiff in the legal matter. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 + Details
Name: | us-gaap_LossContingencyDamagesPaidValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124440162&loc=d3e12021-110248 + Details
Name: | us-gaap_LossContingencyEstimateOfPossibleLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The total number of new claims filed pertaining to a loss contingency during the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349 + Details
Name: | us-gaap_LossContingencyNewClaimsFiledNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of pending claims pertaining to a loss contingency. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349 + Details
Name: | us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=124440162&loc=d3e12053-110248 + Details
Name: | us-gaap_LossContingencyReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of cash inflow from the collection of receivables related to a loss contingency. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=124440162&loc=d3e12053-110248 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3367-108585 + Details
Name: | us-gaap_LossContingencyReceivableProceeds
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of cash paid for the settlement of litigation or for other legal issues during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3536-108585 + Details
Name: | us-gaap_PaymentsForLegalSettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Carrying amount as of the balance sheet date of known and reasonably estimable amounts of recoveries from third-parties pertaining to an entity's environmental remediation obligations. An entity's balance sheet may include several assets that relate to an environmental remediation obligation. Among them are the following: a. Receivables from other potentially responsible parties that are not providing initial funding; b. anticipated recoveries from insurers; and c. anticipated recoveries from prior owners as a result of indemnification agreements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=109237650&loc=d3e13022-110858 + Details
Name: | us-gaap_RecordedThirdPartyEnvironmentalRecoveriesReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=paa_Line901IncidentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=paa_ConsentDecreeCivilPenaltiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationStatusAxis=us-gaap_JudicialRulingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=paa_ConsentDecreeCompensationForInjuriesToDestructionOfLossOfUseOfNaturalResourcesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=paa_IndictmentInCaliforniaSuperiorCourtSantaBarbaraCountyMember
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: |

X
- Details
Name: | srt_LitigationCaseAxis=paa_ClassActionLawsuitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=paa_ClassActionLawsuitClaimOfDamagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationStatusAxis=us-gaap_SettledLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=paa_UnitholderDerivativeLawsuitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=paa_ClaimForReimbursementFromInsuranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=paa_DenialOfInsuranceCoverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=paa_ResponseToRequestForReimbursementNotReceivedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=paa_TradeAccountsPayableAndOtherCurrentLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EnvironmentalRemediationContingencyAxis=paa_ExcludingLine901IncidentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |