Partners' Capital and Distributions Partners' Capital Notes Disclosure [Text Block] Partner Type of Partners' Capital Account, Name [Domain] Partner Type of Partners' Capital Account, Name [Domain] Other Other Comprehensive Income, Other, Net of Tax Inventory [Axis] Inventory [Axis] Interest Rate Swaps Terminated Interest Rate Swaps Terminated [Member] Interest Rate Swaps Terminated NET INCOME/(LOSS) Net income/(loss) Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Number of proceedings pending Loss Contingency, Pending Claims, Number Related Party Transactions [Abstract] Related Party Transactions [Abstract] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Schedule of activity for preferred units and common units Schedule of Stockholders Equity [Table Text Block] Debt Instrument [Axis] Debt Instrument [Axis] Natural gas purchases for processing and operational needs Natural Gas Contracts [Member] Represents derivative instruments consisting of long natural gas position related to purchase of natural gas. Debt instrument fair value Debt Instrument, Fair Value Disclosure Amount awarded to claimants by court Loss Contingency, Damages Awarded, Value Units outstanding (units) Outstanding, beginning of period (units) Outstanding, end of period (units) Limited Partners' Capital Account, Units Outstanding Net broker payable Effect of Collateral Netting (Asset) Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset CASH FLOWS FROM INVESTING ACTIVITIES Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Other investing activities Payments for (Proceeds from) Other Investing Activities Statistical Measurement [Domain] Statistical Measurement [Domain] Trade accounts payable and Other current liabilities Trade accounts payable and Other current liabilities [Member] Primary financial statement captions encompassing Trade accounts payable and Other current liabilities. Recoveries from insurance carriers Loss Contingency, Receivable, Proceeds Total borrowings Proceeds from Issuance of Debt Short-term Debt, Type [Axis] Short-Term Debt, Type [Axis] Stated percentage Debt Instrument, Interest Rate, Stated Percentage Impact of derivatives recognized in earnings Derivative Instruments, Gain (Loss) [Table Text Block] Other current assets Other Current Assets [Member] Total repayments Repayments of Debt Other Other Noncash Income (Expense) Derivative liability [Extensible Enumeration] Derivative Liability, Statement of Financial Position [Extensible Enumeration] Property and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Preferred unit distribution amount Dividends, Preferred Stock Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] NET INCOME/(LOSS) ATTRIBUTABLE TO PAA Net income/(loss) attributable to PAA Net Income (Loss) Attributable to Parent Antidilutive securities excluded from computation of net income per common unit (units) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Distributions (Note 7) Distributions paid Partners' Capital Account, Distributions Subsequent Event Type [Axis] Subsequent Event Type [Axis] Cash received from sales of linefill Cash Received Related to Sales of Linefill The cash inflow associated with the sale of linefill. Diluted weighted average common units outstanding (units) Weighted Average Limited Partnership Units Outstanding, Diluted Number of misdemeanor charges found guilty, strict liability animal takings Indictment, Number of Misdemeanor Charges, Guilty Verdict, Strict Liability Animal Takings Count Indictment, Number of Misdemeanor Charges, Guilty Verdict, Strict Liability Animal Takings Count Share Repurchase Program [Domain] Share Repurchase Program [Domain] Maintenance capital expenditures Maintenance Capital Expenditures Capital expenditures for the replacement of partially or fully depreciated assets in order to maintain the operating and/or earnings capacity of the company's existing assets. 4 forward starting interest rate swaps (30-year), 0.74% Four Forward Starting Thirty Year Interest Rate Swaps 0.74 Percent [Member] Four Forward Starting Thirty Year Interest Rate Swaps 0.74 Percent Equity Component [Domain] Equity Component [Domain] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Environmental Remediation Contingency [Axis] Environmental Remediation Contingency [Axis] Scenario [Axis] Scenario [Axis] Ownership [Axis] Ownership [Axis] Aggregate total estimated costs Loss Contingency, Estimate of Possible Loss Number of interest rate derivatives Number of Interest Rate Derivatives Held Additions Contract with Customer, Liability, Additions Amount of additions to obligation to transfer good or service to customer for which consideration from customer has been received or is due. Total debt Debt and Lease Obligation Limited Partners' Capital Account, Class [Domain] Limited Partners' Capital Account, Class [Domain] Permian JV Plains Oryx Permian Basin LLC [Member] Plains Oryx Permian Basin LLC Hedging Designation [Domain] Hedging Designation [Domain] Impact due to contractual rights of offset with counterparties Contract With Customer, Contractual Rights Of Offset With Counterparties Amount of contractual rights of offset with counterparties that reduces the entity's right to consideration in exchange for good or service transferred to customer. Transportation Transportation [Member] Transportation Cash paid for: Supplemental Cash Flow Information [Abstract] Red River LLC Red River Pipeline Company LLC [Member] Red River Pipeline Company LLC [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Revenues: Segment Reporting Information, Revenue for Reportable Segment [Abstract] Operating segments number Number of Operating Segments Net broker receivable Effect of Collateral Netting (Liability) Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset Gain on investment in unconsolidated entities Gain on (Impairment of) Investments In Unconsolidated Entities, Net Amount of gain (loss) (i) from remeasurement to fair value of retained investment in former subsidiary and group of assets constituting business activity deconsolidated and derecognized and/or (ii) on sale or disposal of an equity method investment and/or (iii) impairment of investment in an unconsolidated entity. Estimated undiscounted reserve for environmental liabilities, long-term Accrued Environmental Loss Contingencies, Noncurrent Beginning Balance Ending Balance Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs Partners' capital Limited Partners' Capital Account Total long-term liabilities Liabilities, Noncurrent Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Entity Address, State or Province Entity Address, State or Province Level 1 Fair Value, Inputs, Level 1 [Member] Summary of open derivative positions Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Partner Capital Components [Domain] Partner Capital Components [Domain] Award Type [Axis] Award Type [Axis] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Net Carrying Value Presented on the Balance Sheet Derivative Asset Diluted net income/(loss) per common unit (usd per unit) Net Income (Loss), Net of Tax, Per Outstanding Limited Partnership Unit, Diluted COSTS AND EXPENSES Costs and Expenses [Abstract] Transaction [Domain] Transaction [Domain] Linefill, Volumes (in barrels) Inventory, Volumes Linefill The volume of linefill inventory as of the balance sheet date. Noncontrolling interests Partners' Capital Attributable to Noncontrolling Interest Legal Entity [Axis] Legal Entity [Axis] PAA Plains All American Pipeline, L.P. [Member] Plains All American Pipeline, L.P. Derivative position notional amount (in Terawatt hours) Derivative, Nonmonetary Notional Amount, Energy Measure Proceeds from sales of assets Proceeds from Sale of Productive Assets Total partners’ capital excluding noncontrolling interests Partners' Capital Position [Axis] Position [Axis] Entity Common Stock, Shares Outstanding (units) Entity Common Stock, Shares Outstanding Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Document Type Document Type Civil Penalties Consent Decree, Civil Penalties [Member] Consent Decree, Civil Penalties Contract With Customer, Asset And Liability [Table] Contract With Customer, Asset And Liability [Table] Contract With Customer, Asset And Liability [Table] Net fair value of interest rate hedges Interest Rate Cash Flow Hedge Derivative at Fair Value, Net Segments [Axis] Segments [Axis] Debt Debt Disclosure [Text Block] Product and Service [Domain] Product and Service [Domain] CASH FLOWS FROM OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Derivative Instruments AOCI cash flow hedge Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] Entity Shell Company Entity Shell Company Net gains/(losses) for the period included in earnings Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings Deferred income tax (expense)/benefit Deferred income tax expense/(benefit) Deferred Income Tax Expense (Benefit) Counterparty deficiencies Counterparty Deficiencies Amount associated with deficiencies by counterparties of their contractual minimum commitments. Estimated size of release (in bbl) Estimated Size of Release Represents the estimated size of the pipeline release. PAGP Plains G P Holdings L P [Member] Represents information pertaining to Plains GP Holdings, L.P. ("PAGP"), which owns a limited partner interest in Plains AAP, L.P. Subsequent Event Subsequent Event [Member] Consolidation Items [Domain] Consolidation Items [Domain] Contracts with customers, change in asset and liability balance Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Document Period End Date Document Period End Date Other Other Debt [Member] Other types of debt not specifically identified. Basic weighted average common units outstanding (units) Weighted Average Limited Partnership Units Outstanding, Basic Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Total assets Assets Gains/(losses) from derivative activities and inventory valuation adjustments Gains (Losses) From Derivative Activities and Inventory Valuation Adjustments Gains (losses) related to derivative instruments for which the underlying transaction does not occur in the current period and on derivatives that are related to (i) investing activities, such as the purchase of linefill, and (ii) purchases of long-term inventory. Also includes the impact of corresponding inventory valuation adjustments, as applicable. Debt Disclosure [Abstract] Debt Disclosure [Abstract] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Gains on sales of linefill Gain on Sales of Linefill Gain on Sales of Linefill Income Statement Location [Axis] Income Statement Location [Axis] Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Accounting Policies [Abstract] Accounting Policies [Abstract] LONG-TERM DEBT Long-Term Debt, Unclassified [Abstract] Derivative position notional amount (in barrels or Bcf) Derivative, Nonmonetary Notional Amount, Volume INCOME/(LOSS) BEFORE TAX Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Segments [Domain] Segments [Domain] Butane contracts related to subsequent sale of products Butane Contracts Related To Subsequent Sale Of Product [Member] Represents the derivative instruments in a short position for butane that hedges the subsequent sale of products derived from our natural gas processing and NGL fractionation activities. Net Income/(Loss) Per Common Unit Earnings Per Share [Text Block] Average rate locked (percent) Derivative, Average Fixed Interest Rate Translation Adjustments Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] Other long-term liabilities and deferred credits Other Noncurrent Liabilities [Member] Net repayments under senior secured hedged inventory facility (Note 6) Net Proceeds from (Repayments of) Hedged Inventory Facility The net cash inflow (outflow) due to borrowings (repayments) on the hedged inventory facility. Comprehensive income/(loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Summary of derivative assets and liabilities on condensed consolidated balance sheets on a gross basis Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Award Type [Domain] Award Type [Domain] Derivative Contract [Domain] Derivative Contract [Domain] CASH FLOWS FROM FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Entity Registrant Name Entity Registrant Name Adjustments: Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Entity Address, City or Town Entity Address, City or Town Field operating costs Field Operating Costs [Member] Costs related to site and field operations during the period. Intersegment revenue elimination Intersegment Revenues Elimination Intersegment Eliminations [Member] Litigation settlement agreement amount, subject to approval Litigation Settlement Amount Agreed Upon Subject to Approval 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. Other items in revenues Revenue Not from Contract with Customer Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Emerging Growth Company Entity Emerging Growth Company Organization Consolidation and Presentation of Financial Statements [Table] Organization Consolidation and Presentation of Financial Statements [Table] Schedule detailing information related to organization, basis of accounting, or basis of presentation, used to prepare the financial reports of the entity. Unrealized gain on hedges Net unrealized gain/(loss) recognized in AOCI Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Cash paid for purchases of linefill Cash Paid Related to Purchases of Linefill The cash outflow associated with the purchase of linefill. Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Excluding Line 901 Incident Excluding Line 901 Incident [Member] Excluding Line 901 Incident Changes in Accumulated Other Comprehensive Income/(Loss) AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Trading Symbol Trading Symbol Entity File Number Entity File Number Statement of Partners' Capital [Abstract] Statement of Partners' Capital [Abstract] Trade accounts payable Accounts Payable, Trade, Current Transaction Type [Axis] Transaction Type [Axis] Comprehensive income attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Other Partners' Capital, Other Trade accounts receivable and other receivables, net from related parties Due from Related Parties, Current Basic net income/(loss) per common unit (usd per unit) Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic, Net of Tax Depreciation and amortization of unconsolidated entities Depreciation And Amortization Of Unconsolidated Entities The reporting entity’s proportionate share of depreciation and amortization expense and gains or losses on significant asset sales of unconsolidated entities. Total revenues Total revenues Revenues Revenues Organization Organization and Basis of Presentation [Line Items] 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. Revenues from related parties Revenue from Related Parties Inventory by category Energy Related Inventory [Abstract] Contributions from noncontrolling interests (Note 7) Proceeds from Partnership Contribution Credit Facility [Domain] Credit Facility [Domain] Interest, net of amounts capitalized Interest Paid, Excluding Capitalized Interest, Operating Activities Field operating costs Operating Costs and Expenses Unitholder Derivative Lawsuits Unitholder Derivative Lawsuits [Member] Represents information related to unitholder derivative lawsuits filed against the company. Net repayments under commercial paper program (Note 6) Proceeds from (Repayments of) Commercial Paper Linefill (Price/Unit of measure) (in dollars per units) Inventory, Weighted Average Price Per Unit, Linefill Inventory, Weighted Average Price Per Unit, Linefill Distributions paid to noncontrolling interests (Note 7) Payments to Noncontrolling Interests Counterparty Name [Domain] Counterparty Name [Domain] Remaining performance obligations Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Derivatives and Risk Management Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Estimated undiscounted reserve for environmental liabilities, long-term [Extensible Enumeration] Environmental Loss Contingency, Noncurrent, Statement of Financial Position [Extensible Enumeration] Estimated size of release to reach Pacific Ocean (in bbl) Estimated Size Of Release To Reach Body Of Water Estimated Size Of Release To Reach Body Of Water Ownership [Domain] Ownership [Domain] Number of misdemeanor charges found not guilty, strict liability animal takings Indictment, Number of Misdemeanor Charges, Not Guilty Verdict, Strict Liability Animal Takings Count Indictment, Number of Misdemeanor Charges, Not Guilty Verdict, Strict Liability Animal Takings Count Impact of derivative activities recognized in earnings Derivative Instruments, Gain (Loss) [Line Items] Entity Interactive Data Current Entity Interactive Data Current Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Segment Reporting, Disclosure of Other Information about Entity's Reportable Segments Segment Reporting, Disclosure of Other Information about Entity's Reportable Segments [Abstract] Preferred Distribution Rate Reset Option Preferred Distribution Rate Reset Option Embedded Derivative Financial Instruments [Member] Number of misdemeanor charges found guilty, reporting Indictment, Number of Misdemeanor Charges, Guilty Verdict, Reporting Count Indictment, Number of Misdemeanor Charges, Guilty Verdict, Reporting Count Segment Reporting Information Segment Reporting Information [Line Items] Other expense, net Other Nonoperating Income (Expense) [Member] Schedule of distributions Distributions Made to Limited Partner, by Distribution [Table Text Block] Litigation Status [Domain] Litigation Status [Domain] Senior notes, net Senior Notes, Noncurrent Repurchase of common units (Note 7) Payments for Repurchase of Common Stock Changes in assets and liabilities, net of acquisitions Increase (Decrease) in Operating Capital Ownership interest (units) Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest, Units Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest, Units Statement [Table] Statement [Table] Other Other Long Term Debt [Member] Other types of long-term debt not specifically identified. Senior secured hedged inventory facility Senior Secured Hedged Inventory Facility [Member] Senior Secured Hedged Inventory Facility Trade accounts receivable and other receivables, net Trade accounts receivable and other receivables, net Receivables, Net, Current Document Quarterly Report Document Quarterly Report Number of felony discharges found guilty Indictment, Number of Felony Discharges, Guilty Verdict Indictment, Number of Felony Discharges, Guilty Verdict CURRENT ASSETS Assets, Current [Abstract] Long-term operating lease liabilities Operating Lease, Liability, Noncurrent Cash Distribution Cash Distribution [Member] Statistical Measurement [Axis] Statistical Measurement [Axis] Rollforward of Level 3 Net Asset/(Liability) Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Linefill Linefill Crude oil or NGL linefill in pipelines, tanks and caverns. Linefill is intended for long-term use. Total AOCI Including Portion Attributable to Noncontrolling Interest [Member] Equity Components [Axis] Equity Components [Axis] Scenario [Domain] Scenario [Domain] Recurring Fair Value Measures Fair Value, Recurring [Member] Litigation Case [Domain] Litigation Case [Domain] Related Party Transactions Related Party Transactions Disclosure [Text Block] Series A Preferred Units Series A Preferred Units [Member] Series A preferred units representing limited partner interests in the entity that rank pari passu with Series B preferred units, and senior to our common units and to each other classes or series of our equity securities with respect to distribution rights and rights upon liquidation and are convertible into common units by the holder or the entity under certain conditions. Document Fiscal Year Focus Document Fiscal Year Focus Crude oil basis spread position Crude Oil Grade Basis Position [Member] Represents the derivative instruments that hedge crude oil purchases based on grade basis differentials. Statement [Line Items] Statement [Line Items] Number of years maturity date was extended Debt Maturity Extension Length Of Extension Number of years by which the maturity date was extended. (Gains)/losses on asset sales and asset impairments, net Gains/(losses) on asset sales and asset impairments, net Gain (Loss) on Sale of Assets and Asset Impairment Charges Class Action Lawsuits Class Action Lawsuits [Member] Represents information related to class action lawsuits filed against the company. NGL Natural Gas Liquids [Member] Dilutive equity-indexed compensation plan awards (units) Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Loss Contingencies [Table] Loss Contingencies [Table] Current income tax expense Current Income Tax Expense (Benefit) Product sales revenues Sales Product [Member] Long-term operating lease right-of-use assets, net Operating Lease, Right-of-Use Asset Repurchase of common units (Note 7) Stock Repurchased During Period, Value Adjusted EBITDA attributable to noncontrolling interests Adjusted EBITDA Attributable To Noncontrolling Interests Adjusted EBITDA Attributable To Noncontrolling Interests NET INCOME/(LOSS) PER COMMON UNIT (NOTE 4): Earnings Per Unit [Abstract] Schedule of Debt Instruments [Table] Schedule of Debt Instruments [Table] A table or schedule providing information pertaining to short-term and long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. Document Transition Report Document Transition Report Local Phone Number Local Phone Number OPERATING INCOME/(LOSS) Operating Income (Loss) Total net derivative asset/(liability) Derivative, Fair Value, Net Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Litigation Status [Axis] Litigation Status [Axis] Position [Domain] Position [Domain] Services revenues Service [Member] Other current liabilities Other Current Liabilities [Member] Net income/(loss) allocated to common unitholders - Diluted Net income/(loss) allocated to common unitholders - Diluted Net Income (Loss) Allocated to Common Unitholders, Diluted This element represents the net income (loss) allocated to common unitholders in the calculation of diluted net income per common unit after deducting amounts allocated to preferred unitholders and participating securities, as applicable, under the two class method. Public Public Unit Holders [Member] Public Unit Holders [Member] Reconciliation of net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Income tax (expense)/benefit Income Tax Expense (Benefit) Increase (Decrease) in Partners' Capital Activity for preferred units and common units Increase (Decrease) in Partners' Capital [Roll Forward] Income Statement [Abstract] Income Statement [Abstract] Hedging Relationship [Axis] Hedging Relationship [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Document Fiscal Period Focus Document Fiscal Period Focus Other Other Inventory [Member] Category of inventory not separately disclosed. Receivable for remaining portion of release costs probable of recovery from insurance Loss Contingency, Receivable Cash paid in connection with acquisitions, net of cash acquired Payments to Acquire Businesses and Interest in Affiliates Purchases and related costs Cost of Goods and Services Sold Derivatives and Risk Management Activities Derivative [Line Items] Net Carrying Value Presented on the Balance Sheet Derivative liability Derivative Liability Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Net Carrying Value Presented on the Balance Sheet, Total Derivative Assets (Liabilities), at Fair Value, Net Schedule of inventory Schedule of Inventory, Current [Table Text Block] Distributions per common unit, paid (usd per unit) Distribution Made to Limited Partner, Distributions Paid, Per Unit Gross Position - Liability Derivative Liability, Subject to Master Netting Arrangement, before Offset Legal, Environmental or Regulatory Matters Loss Contingencies [Line Items] Common Units Common Units [Member] Common units representing limited partner interests in the entity. Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Schedule of Limited Partners' Capital Account by Class [Table] Schedule of Limited Partners' Capital Account by Class [Table] Trade accounts receivable and other receivables, net Accounts Receivable [Member] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Substantially all trade accounts receivable, net, maximum age of balances past their invoice date Trade Accounts Receivable Net Disclosure of Maximum Age of Balances Past Invoice Date The maximum number of days past their invoice date for substantially all of the trade accounts receivable. Senior notes Senior Notes [Member] Inventory, Volumes (in barrels) Inventory, Volumes Current The volume of current inventory as of the balance sheet date. Net unrealized gain/(loss) recognized in AOCI for derivatives Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of derivative financial assets and liabilities accounted for at fair value on a recurring basis, by level within the fair value hierarchy Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Operating Segments Operating Segments [Member] AAP AAP Plains AAP L P [Member] Represents information pertaining to Plains, AAP L.P (AAP). Limited Partners Limited Partner [Member] Fuel gas requirements Fuel Gas Requirements Contracts [Member] Fuel Gas Requirements Contracts Cash and cash equivalents and restricted cash, beginning of period Cash and cash equivalents and restricted cash, end of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Line 901 Incident Line 901 Incident [Member] Represents information pertaining to the crude oil release from the Las Flores to Gaviota Pipeline in Santa Barbara County, California. Currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Net income attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Distribution Type [Domain] Distribution Type [Domain] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] CURRENT LIABILITIES Liabilities, Current [Abstract] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] PARTNERS’ CAPITAL Partners' Capital, Including Portion Attributable to Noncontrolling Interest [Abstract] Investments in unconsolidated entities Equity Method Investments Partner Type [Axis] Partner Type [Axis] Partners’ Capital Excluding Noncontrolling Interests Parent [Member] Loss on foreign currency revaluation Foreign Currency Transaction Gain (Loss), before Tax Income Statement Location [Domain] Income Statement Location [Domain] Cash flow hedge Cash Flow Hedging [Member] Recurring Fair Value Measurements Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Derivative Liabilities Offsetting Derivative Liabilities [Abstract] Amendment Flag Amendment Flag Number of misdemeanor charges found guilty, strict liability discharge Indictment, Number of Misdemeanor Charges, Guilty Verdict, Strict Liability Discharge Count Indictment, Number of Misdemeanor Charges, Guilty Verdict, Strict Liability Discharge Count Exchange traded Exchange Traded [Member] Net cash (used in)/provided by investing activities Net Cash Provided by (Used in) Investing Activities Reconciliation of changes in fair value of derivatives classified as Level 3 Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Environmental Remediation Contingency [Domain] Environmental Remediation Contingency [Domain] Debt instrument face value Debt Instrument, Face Amount Net income/(loss) allocated to common unitholders - Basic Net income/(loss) allocated to common unitholders - Basic Net Income (Loss) Allocated to Common Unitholders, Basic This element represents the net income (loss) allocated to common unitholders in the calculation of basic net income per common unit after deducting amounts allocated to preferred unitholders and participating securities, as applicable, under the two class method. Number of cases filed Loss Contingency, New Claims Filed, Number Other comprehensive income/(loss) Total period activity Other comprehensive income/(loss) Other Comprehensive Income (Loss), Net of Tax Terminalling, storage and other agreement revenues Terminalling, Long-Term Storage And Other Agreements Revenues [Member] Terminalling , Long-Term Storage And Other Agreements Revenues [Member] Comprehensive income/(loss) attributable to PAA Comprehensive Income (Loss), Net of Tax, Attributable to Parent Net Income/(Loss) Per Common Unit Basic and Diluted Net Income Per Common Unit [Line Items] 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. Litigation Case [Axis] Litigation Case [Axis] Preferred distributions per unit (usd per unit) Preferred Stock, Dividends, Per Share, Cash Paid NGL Natural Gas Liquids Segment [Member] Natural Gas Liquids Segment Segment financial data Schedule of Segment Reporting Information, by Segment [Table Text Block] Interest Rate Risk Hedging Interest Rate Derivatives [Abstract] Entity Current Reporting Status Entity Current Reporting Status Distributions to preferred unitholders Preferred Stock Dividends, Income Statement Impact Other current liabilities Other Liabilities, Current Other long-term assets, net Other Assets, Noncurrent Credit facilities and commercial paper program Line Of Credit And Commercial Paper [Member] Represents information pertaining to the line of credit and commercial paper agreement entered into by the entity. Commodity Price Risk Hedging: Price Risk Derivatives [Abstract] Estimated undiscounted reserve for environmental liabilities Accrual for Environmental Loss Contingencies, Gross Purchases and related costs from related parties Related Party Transaction, Purchases from Related Party Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Commodity Derivatives Commodity derivatives Commodity Contract [Member] Counterparty Name [Axis] Counterparty Name [Axis] Schedule of related party transactions Schedule of Related Party Transactions [Table Text Block] Derivative [Table] Derivative [Table] Crude oil purchases Crude Oil Derivative Contracts [Member] Represents the derivative instruments utilized to hedge risk associated with crude oil purchases. Minimum Volume Commitments Minimum Volume Commitment Agreements [Member] Agreements that require counterparties to deliver, transport or throughput a minimum volume over an agreed upon period, some of which include make-up rights. Unamortized discounts and debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Propane contracts related to subsequent sale of products Propane Contracts Related To Subsequent Sale Of Product [Member] Represents the derivative instruments in a short position for propane that hedges the subsequent sale of products derived from our natural gas processing and NGL fractionation activities. Long-term inventory, Volumes (in barrels) Inventory, Volumes, Noncurrent The volume of noncurrent inventory as of the balance sheet date. Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Effect of translation adjustment Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Change in unrealized gains/(losses) included in earnings relating to Level 3 derivatives still held at the end of the period Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss) Settlement of terminated interest rate hedging instruments Proceeds received from early termination of interest rate hedging instruments Net Cash (Paid) Received for Terminated Hedging Instruments The net cash (paid) received for terminated hedging instruments. Other income/(expense), net Other Nonoperating Income (Expense) Balance Sheet Location [Axis] Balance Sheet Location [Axis] Crude Oil Crude Oil Segment [Member] Crude Oil Segment Deficiencies under minimum volume commitments, net Deficiencies Under Minimum Volume Commitments, Net Includes the impact of amounts billed to counterparties for their deficiency obligation, net of applicable amounts subsequently recognized into revenue. Certain agreements require counterparties to deliver, transport or throughput a minimum volume over an agreed upon period. Substantially all of such agreements were entered into with counterparties to economically support the return on the reporting entity's capital expenditure necessary to construct the related asset. Some of these agreements include make-up rights if the minimum volume is not met. A receivable from the counterparty is recorded in the period that services are provided or when the transaction occurs, including amounts for deficiency obligations from counterparties associated with minimum volume commitments. If a counterparty has a make-up right associated with a deficiency, the revenue attributable to the counterparty’s make-up right is deferred and is subsequently recognized at the earlier of when the deficiency volume is delivered or shipped, when the make-up right expires or when it is determined that the counterparty’s ability to utilize the make-up right is remote. Change in fair value of Preferred Distribution Rate Reset Option (Note 8) Gain (loss) recognized Embedded Derivative, Gain (Loss) on Embedded Derivative, Net Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Maximum Maximum [Member] Net loss deferred in AOCI Accumulated Other Comprehensive Income (Loss), Net of Tax Power supply requirements Power Supply Requirements Contracts [Member] Represents the derivative instruments consisting of long power positions which hedge a portion of power supply requirements. Partners' Capital and Distributions [Table] Partners' Capital and Distributions [Table] Disclosure reflecting information pertaining to Partners' Capital and related distributions. Short Short [Member] Inventory [Domain] Inventory [Domain] Common equity repurchase program, repurchased amount Stock Repurchased and Retired During Period, Value Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Total current assets Assets, Current Income taxes, net of amounts refunded Income Taxes Paid, Net Payments for legal settlements Payments for Legal Settlements Settled Litigation Settled Litigation [Member] Contract with customer, counterparty deficiencies Contract with Customer, Counterparty Deficiencies [Table Text Block] Contract with Customer, Counterparty Deficiencies Amounts recognized as revenue Contract with Customer, Liability, Revenue Recognized Small Business Entity Entity Small Business Measurement Frequency [Domain] Measurement Frequency [Domain] REVENUES Revenues [Abstract] Minimum Volume Commitments Contract With Customer, Asset And Liability [Line Items] [Line Items] for Contract With Customer, Asset And Liability [Table] Intangible assets, net Finite-Lived Intangible Assets, Net Remaining performance obligations, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Partner Capital Components [Axis] Partner Capital Components [Axis] Repurchase and cancellation of common units under the Common Equity Repurchase Program (units) Repurchase and cancellation of common units under the Common Equity Repurchase Program (units) Stock Repurchased and Retired During Period, Shares Long Long [Member] Other long-term debt, net Other Long-Term Debt, Noncurrent Consent Decree, Compensation for Injuries to, Destruction of, Loss of Use of, Natural Resources Consent Decree, Compensation for Injuries to, Destruction of, Loss of Use of, Natural Resources [Member] Consent Decree, Compensation for Injuries to, Destruction of, Loss of Use of, Natural Resources Title of 12(b) Security Title of 12(b) Security Organization and Basis of Consolidation and Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Noncontrolling interests in subsidiaries (percent) Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Estimated undiscounted reserve for environmental liabilities, short-term [Extensible Enumeration] Environmental Loss Contingency, Current, Statement of Financial Position [Extensible Enumeration] Distributions on earnings from unconsolidated entities Proceeds from Equity Method Investment, Distribution Line 901 incident Significant Costs Related To Legal And Environmental Remediation Matters Significant Costs Related To Legal And Environmental Remediation Matters Total costs and expenses Costs and Expenses Schedule of Calculation of Basic and Diluted Net Income/(Loss) Per Common Unit [Table] Schedule of Calculation of Basic and Diluted Net Income Per Common Unit [Table] Schedule reflecting the calculation of basic and diluted net income per common unit. Debt Debt Instrument [Line Items] Equity-indexed Compensation Plan Award Equity-indexed Compensation Plan Award [Member] Equity-indexed Compensation Plan Award Change In Contract With Customer, Liability Change In Contract With Customer, Liability [Roll Forward] Change In Contract With Customer, Liability [Roll Forward] Segment Information Segment Reporting Disclosure [Text Block] Long-term inventory (Price/Unit of measure) (in dollars per units) Inventory, Weighted Average Price Per Unit, Noncurrent Inventory, Weighted Average Price Per Unit, Noncurrent Coverage limit under insurance program Insurance Coverage Limit Insurance Coverage Limit Net gain/(loss) from commodity derivative activity Derivative, Gain (Loss) on Derivative, Net Noncontrolling Interest [Table] Noncontrolling Interest [Table] LIABILITIES AND PARTNERS’ CAPITAL Liabilities and Equity [Abstract] Inventory (Price/Unit of measure) (in dollars per units) Inventory, Weighted Average Price Per Unit, Current Inventory, Weighted Average Price Per Unit, Current Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Basic and Diluted Net Income/(Loss) per Common Unit Net Income (Loss), Per Outstanding Limited Partnership and General Partnership Unit, Basic and Diluted, Net of Tax [Abstract] Litigation settlement agreement, payment of plaintiff's attorneys' fees by our insurers Litigation Settlement, Amount Awarded to Other Party Counterparty deficiencies unbilled Counterparty Deficiencies Unbilled And Uncollected Amount that has yet to be billed or collected as of the balance sheet date associated with deficiencies by counterparties of their contractual minimum commitments. Pipeline revenues supported by minimum volume commitments and capacity agreements Pipeline Revenues Supported By Minimum Volume Commitments And Long-Term Capacity Agreements [Member] Pipeline revenues supported by minimum volume commitments and long-term capacity agreements Inventory Inventory, Net Fines or penalties assessed Loss Contingency Penalty or Fine Assessed Represents penalty or fine assessed on the entity in connection with an environmental matter. Total release costs probable of recovery Loss Contingency, Received and Receivable Total estimated recoveries from third parties associated with a loss contingency, including amounts received to date and estimated amounts recoverable. Hedging Relationship [Domain] Hedging Relationship [Domain] Accumulated depreciation Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Hedging Designation [Axis] Hedging Designation [Axis] Contributions from noncontrolling interests (Note 7) Contributions received Partners' Capital Account, Contributions Entity Filer Category Entity Filer Category Gross Position - Liability Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Common Equity Repurchase Program Common Equity Repurchase Program [Member] Common Equity Repurchase Program Remaining undiscounted liability Loss Contingency Accrual Net gain (loss) on foreign currency revaluation Net Gain (Loss) On Foreign Currency Revaluation Includes gains and losses from the revaluation of foreign currency transactions and monetary assets and liabilities. Condensate sales contracts related to subsequent sale of products Condensate Contracts Related To Subsequent Sale Of Product Member [Member] Represents the derivative instruments in a short position for condensate that hedges the subsequent sale of products derived from our natural gas processing and NGL fractionation activities. COMMITMENTS AND CONTINGENCIES (NOTE 10) Commitments and Contingencies Security Exchange Name Security Exchange Name Notional amount of derivatives Derivative, Notional Amount Reclassification adjustments Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Outstanding letters of credit Letters of credit Letters of Credit Outstanding, Amount Schedule of debt Schedule of Debt [Table Text Block] Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] Revenue from contracts with customers Revenue from Contract with Customer, Excluding Assessed Tax Amount paid to plaintiff Loss Contingency, Damages Paid, Value Short-term debt Total short-term debt Debt, Current LONG-TERM LIABILITIES Liabilities, Noncurrent [Abstract] Cover page. Cover [Abstract] Pending Litigation Pending Litigation [Member] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Interest expense, capitalized interest Interest Costs Capitalized Level 3 Fair Value, Inputs, Level 3 [Member] Revenues and Accounts Receivable Revenue from Contract with Customer [Text Block] Segment Reporting [Abstract] Segment Reporting [Abstract] Investments in unconsolidated entities Capital Contributions to Equity Method Investees Cash outflow for capital contributions subsequent to the initial purchase of interest in equity method investments. Noncontrolling Interests Noncontrolling Interest [Member] Forecast Forecast [Member] Partners Capital and Distribution Partners Capital and Distribution [Line Items] No definition available. Total liabilities and partners’ capital Liabilities and Equity Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Effect of Collateral Netting Offsetting [Abstract] Total Inventory, Current and Noncurrent This element represents the aggregate of current and non-current inventory, including linefill. Class Action Lawsuit Claim of Damages Class Action Lawsuit Claim of Damages [Member] Class action lawsuit in which the plaintiffs claim two different classes of claimants were damaged by the release. Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Common equity repurchase program, remaining amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Derivatives Not Designated as a Hedge Not Designated as Hedging Instrument [Member] Initial margin Initial Margin The amount of cash or securities required by a broker or counterparty as security for a trading or derivatives securities position. Level 2 Fair Value, Inputs, Level 2 [Member] Reconciliation of Segment Adjusted EBITDA to Net income attributable to PAA Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Current Fiscal Year End Date Current Fiscal Year End Date Time spread on hedging anticipated crude oil lease gathering purchases Time Spread On Hedge Anticipated Crude Oil Lease Gathering Purchase Contracts [Member] Represents the derivative instruments utilized to hedge anticipated crude oil lease gathering purchases. Inventory Inventory [Line Items] Terminalling, Storage and Other Terminalling, Storage and Other [Member] Terminalling, Storage and Other Senior unsecured revolving credit facility Senior Unsecured Revolving Credit Facility [Member] Senior Unsecured Revolving Credit Facility Consolidation Items [Axis] Consolidation Items [Axis] Total current liabilities Liabilities, Current Other current assets Other Assets, Current Inventory, Current [Table] Inventory, Current [Table] Long-term inventory costing adjustments Long-Term Inventory Costing Adjustments Includes the impact of changes (resulting from fluctuations in market prices) in the average cost of crude oil and NGL inventory that is comprised of minimum working inventory requirements in third-party assets and other working inventory that is needed for the entity’s commercial operations which is considered necessary to conduct the entity’s operations and which the entity intends to carry for the foreseeable future, as well as writedowns of such inventory that result from price declines. Share Repurchase Program [Axis] Share Repurchase Program [Axis] Total partners’ capital Beginning balance Ending balance Partners' Capital, Including Portion Attributable to Noncontrolling Interest Remaining performance obligation Revenue, Remaining Performance Obligation, Amount Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Crude oil Crude Oil [Member] Number of misdemeanor charges found guilty Indictment, Number of Misdemeanor Charges, Guilty Verdict Indictment, Number of Misdemeanor Charges, Guilty Verdict Amounts allocated to participating securities Participating Securities, Distributed and Undistributed Earnings (Loss), Basic Schedule of terms of outstanding interest rate derivatives Schedule of Derivative Instruments [Table Text Block] Limited Partners' Capital Account by Class [Axis] Limited Partners' Capital Account by Class [Axis] Gross Position - Asset Derivative Liability, Subject to Master Netting Arrangement, Asset Offset OTHER INCOME/(EXPENSE) Nonoperating Income (Expense) [Abstract] Offsetting Assets, Liabilities [Table] Offsetting Assets, Liabilities [Table] Disclosure of information about derivative and financial assets/ (liabilities) that are subject to offsetting, including enforceable master netting arrangements. Other trade accounts receivables and other receivables Accounts and Other Receivables, Net, Current Derivative Assets Offsetting Derivative Assets [Abstract] Gross Position - Asset Derivative Asset, Subject to Master Netting Arrangement, before Offset Entity Address, Address Line Two Entity Address, Address Line Two Entity Address, Address Line One Entity Address, Address Line One Significant transaction-related expenses Significant transaction-related expenses Significant expenses associated with joint venture transactions and acquisitions 8 forward starting interest rate swaps (30-year), 1.38% Eight Forward Starting Thirty Year Interest Rate Swaps 1.38 Percent [Member] Eight Forward Starting Thirty Year Interest Rate Swaps 1.38 Percent Other financing activities Proceeds from (Payments for) Other Financing Activities Contract liability, billed and collected Beginning balance Ending balance Contract with Customer, Liability Limited Partners' Capital Account Limited Partners' Capital Account [Line Items] OTHER ASSETS Other Assets, Noncurrent [Abstract] Distribution Type [Axis] Distribution Type [Axis] Product and Service [Axis] Product and Service [Axis] Interest expense (net of capitalized interest of $1, $4, $3 and $14, respectively) Interest expense, net Interest Expense Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Credit Facility [Axis] Credit Facility [Axis] Long-term inventory Inventory, Noncurrent Total long-term debt Long-Term Debt and Lease Obligation Inventory, Linefill and Long-term Inventory Inventory Disclosure [Text Block] Estimated undiscounted reserve for environmental liabilities, short-term Accrued Environmental Loss Contingencies, Current Ownership interest Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Inventory by category Inventory Disclosure [Abstract] Entity Tax Identification Number Entity Tax Identification Number Derivative assets and liabilities Derivatives, Fair Value [Line Items] Other AOCI, Other, Including Portion Attributable to Noncontrolling Interest [Member] AOCI, Other, Including Portion Attributable to Noncontrolling Interest [Member] May 2016 Indictment Indictment In California Superior Court Santa Barbara County [Member] Indictment filed in California Superior Court, Santa Barbara County, with alleged violations of California law. Other long-term assets, net Other long-term assets, net Other Noncurrent Assets [Member] Settlements Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements Offsetting Assets, Liabilities Derivative and financial assets and liabilities subject to collateral netting Offsetting Assets, Liabilities [Line Items] Disaggregation of revenue Disaggregation of Revenue [Table Text Block] Series B Preferred Units Series B Preferred Units [Member] Series B preferred units representing perpetual limited partner interests in the entity that rank pari passu with Series A preferred units and are not redeemable at the opiton of the holders under any circumstances. Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Trade accounts receivable arising from revenues from contracts with customers Contract with Customer, Asset, after Allowance for Credit Loss, Current 2.85% senior notes due January 2023 Senior Notes Due In January 2023 At 2.85 Percent [Member] Senior Notes Due In January 2023 At 2.85 Percent PROPERTY AND EQUIPMENT Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Amount accrued to distributions payable Dividends Payable, Current Net increase in cash and cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Schedule of net broker receivable/(payable) Schedule of Due to (from) Broker-Dealer and Clearing Organization [Table Text Block] Entity Central Index Key Entity Central Index Key Repayment of GO Zone term loans Repayments of Secured Debt Measurement Frequency [Axis] Measurement Frequency [Axis] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Entity [Domain] Entity [Domain] Segment Adjusted EBITDA Segment Adjusted EBITDA Revenues and equity earnings in unconsolidated entities less (a) purchases and related costs, (b) field operating costs and (c) segment general and administrative expenses, plus (d) our proportionate share of the depreciation and amortization expense of unconsolidated entities, further adjusted (e) for certain selected items including (i) gains and losses on derivative instruments that are related to underlying activities in another period (or the reversal of such adjustments from a prior period), gains and losses on derivatives that are either related to investing activities (such as the purchase of linefill) or purchases of long-term inventory, and inventory valuation adjustments, as applicable, (ii) long-term inventory costing adjustments, (iii) charges for obligations that are expected to be settled with the issuance of equity instruments, (iv) amounts related to deficiencies associated with minimum volume commitments, net of the applicable amounts subsequently recognized into revenue and (v) other items that our Chief Operating Decision Maker believes are integral to understanding our core segment operating performance and (f) to exclude the portion of all preceding items that is attributable to noncontrolling interests. Anticipated net sales of crude oil and NGL inventory Anticipated Net Sales Of Inventory [Member] Represents the derivative instruments in a net short position related to anticipated net sales of crude oil and NGL inventory. City Area Code City Area Code General and administrative expenses General and Administrative Expense ASSETS Assets [Abstract] Issuances of common units under equity-indexed compensation plans (units) Partners' Capital Account, Unit-Based Payment Arrangement, Number of Units Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Trade accounts payable to related parties Due to Related Parties, Current Amounts probable of recovery under insurance and from third parties under indemnification agreements Recorded Third-Party Environmental Recoveries Receivable Equity-indexed compensation expense Equity Indexed Compensation Expense Awards That Will Be Settled In Units Expense associated with equity-indexed compensation awards that will be settled in units. SHORT-TERM DEBT Short-Term Debt [Abstract] Judicial Ruling Judicial Ruling [Member] Schedule of linefill and long-term inventory Schedule of Inventory, Noncurrent [Table Text Block] Distributions paid to unitholders (Note 7) Distribution Made to Limited Partner, Cash Distributions Paid Repayments of senior notes (Note 6) Repayments of senior notes Repayments of Senior Debt Other long-term liabilities and deferred credits Other Liabilities, Noncurrent Interest rate derivatives Interest Rate Contract [Member] Equity earnings in unconsolidated entities Equity earnings in unconsolidated entities Income (Loss) from Equity Method Investments Variation margin posted/(returned) Variation Margin Posted (Returned) Cash posted by (returned to) the reporting entity to (from) a broker or counterparty to comply with initial margin requirements. Additions to property, equipment and other Payments to Acquire Property, Plant, and Equipment Term of derivative contract Derivative, Term of Contract Disaggregation of Revenue Disaggregation of Revenue [Line Items] Partners' Capital Notes [Abstract] Partners' Capital Notes [Abstract] Weighted average Weighted Average [Member] 3.65% senior notes due June 2022 Senior Notes Due In June 2022 At 3.65 Percent [Member] Represents the 3.65 percent senior note, due in June 2022. Computation of basic and diluted net income/(loss) per common unit Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]