Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer
Revenue from Contract with Customer [Text Block]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Prospective Adoption of New Accounting Pronouncements [Table]
Prospective Adoption of New Accounting Pronouncements [Table]
Initial Application Period Cumulative Effect Transition [Axis]
Initial Application Period Cumulative Effect Transition [Axis]
Initial Application Period Cumulative Effect Transition [Domain]
Initial Application Period Cumulative Effect Transition [Domain]
Calculated under Revenue Guidance in Effect before Topic 606 [Member]
Calculated under Revenue Guidance in Effect before Topic 606 [Member]
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Scenario [Axis]
Scenario [Axis]
Scenario, Unspecified [Domain]
Scenario, Unspecified [Domain]
Scenario, Previously Reported [Member]
Scenario, Previously Reported [Member]
Restatement Adjustment [Member]
Restatement Adjustment [Member]
Adjustments for New Accounting Pronouncements [Axis]
Adjustments for New Accounting Pronouncements [Axis]
Type of Adoption [Domain]
Type of Adoption [Domain]
Accounting Standards Update 2016-15 [Member]
Accounting Standards Update 2016-15 [Member]
Accounting Standards Update 2014-09 [Member]
Accounting Standards Update 2014-09 [Member]
Item Effected [Line Items]
Item Effected [Line Items]
Distributions of earnings from investments in non-controlled entities
Proceeds from Equity Method Investment, Distribution
Net Cash Provided by (Used in) Operating Activities
Net Cash Provided by (Used in) Operating Activities
Distributions in excess of earnings of non-controlled entities
Proceeds from Equity Method Investment, Distribution, Return of Capital
Net Cash Provided by (Used in) Investing Activities
Net Cash Provided by (Used in) Investing Activities
Property, Plant and Equipment, Gross
Property, Plant and Equipment, Gross
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Property, Plant and Equipment, Net
Property, Plant and Equipment, Net
Investments in non-controlled entities
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures
Deferred revenue
Deferred Revenue, Current
Other noncurrent liabilities
Other Liabilities, Noncurrent
Limited partner unitholders
Limited Partners' Capital Account
Subsequent Events [Abstract]
Subsequent Event [Table]
Subsequent Event [Table]
Scenario, Forecast
Scenario, Forecast [Member]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Cash distribution per unit (in dollars per share)
Partners' Capital Account, Distribution Per Unit of Limited Partner Interest
Total cash distributions
Limited Partners' Capital Account, Distribution Amount
Statement of Financial Position [Abstract]
ASSETS
Assets [Abstract]
Current assets:
Assets, Current [Abstract]
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Trade accounts receivable
Accounts Receivable, Net, Current
Other accounts receivable
Accounts and Other Receivables, Net, Current
Inventory
Energy Related Inventory
Energy commodity derivatives deposits
Good Faith and Margin Deposits with Broker-Dealers
Other current assets
Other Assets, Current
Total current assets
Assets, Current
Property, plant and equipment
Less: accumulated depreciation
Net property, plant and equipment
Long-term receivables
Long-term Investments and Receivables, Net
Goodwill
Goodwill
Other intangibles (less accumulated amortization of $1,389 and $2,035 at December 31, 2017 and June 30, 2018, respectively)
Intangible Assets, Net (Excluding Goodwill)
Restricted cash
Restricted Cash and Cash Equivalents, Noncurrent
Other noncurrent assets
Other Assets, Noncurrent
Total assets
Assets
LIABILITIES AND PARTNERS’ CAPITAL
Liabilities and Equity [Abstract]
Current liabilities:
Liabilities, Current [Abstract]
Accounts payable
Accounts Payable, Current
Accrued payroll and benefits
Employee-related Liabilities, Current
Accrued interest payable
Interest Payable
Accrued taxes other than income
Accrual for Taxes Other than Income Taxes, Current
Environmental liabilities
Accrued Environmental Loss Contingencies, Current
Accrued product liabilities
Other Accrued Liabilities, Current
Energy commodity derivatives contracts, net
Energy Marketing Contract Liabilities, Current
Current portion of long-term debt, net
Long-term Debt, Current Maturities
Other current liabilities
Other Liabilities, Current
Total current liabilities
Liabilities, Current
Long-term debt, net
Long-term Debt, Excluding Current Maturities
Long-term pension and benefits
Liability, Defined Benefit Plan, Noncurrent
Environmental liabilities
Accrued Environmental Loss Contingencies, Noncurrent
Commitments and contingencies
Commitments and Contingencies
Partners’ capital:
Partners' Capital [Abstract]
Limited partner unitholders (228,025 units and 228,195 units outstanding at December 31, 2017 and June 30, 2018, respectively)
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Total partners’ capital
Partners' Capital
Total liabilities and partners’ capital
Liabilities and Equity
Debt Disclosure [Abstract]
Debt
Debt Disclosure [Text Block]
Amount Authorized Under Equity Distribution Agreement
Amount Authorized Under Equity Distribution Agreement
Amount Authorized Under Equity Distribution Agreement
Inventory Disclosure [Abstract]
Refined products
Energy Related Inventory, Petroleum
Liquefied petroleum gases
Energy Related Inventory, Natural Gas Liquids
Transmix
Energy Related Inventory, Transmix
Energy Related Inventory, Transmix
Crude oil
Energy Related Inventory, Crude Oil, Products and Merchandise
Additives
Energy Related Inventory, Chemicals
Total inventory
Schedule of New Accounting Pronouncements and Changes in Accounting Principles
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]
Retirement Benefits [Abstract]
Schedule of Consolidated Net Periodic Benefit Costs
Schedule of Net Benefit Costs [Table Text Block]
Schedule of Amounts Recognized in Other Comprehensive Loss
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Long-Term Incentive Plan
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Timing of Transfer of Good or Service [Axis]
Timing of Transfer of Good or Service [Axis]
Timing of Transfer of Good or Service [Domain]
Timing of Transfer of Good or Service [Domain]
Transferred over Time [Member]
Transferred over Time [Member]
Transferred at Point in Time [Member]
Transferred at Point in Time [Member]
Consolidation Items [Axis]
Consolidation Items [Axis]
Consolidation Items [Domain]
Consolidation Items [Domain]
Operating Segments [Member]
Operating Segments [Member]
Intersegment Eliminations [Member]
Intersegment Eliminations [Member]
Products and Services [Axis]
Products and Services [Axis]
Products and Services [Domain]
Products and Services [Domain]
Transportation [Member]
Transportation [Member]
Transportation [Member]
Terminalling [Member]
Terminalling [Member]
Terminalling [Member]
Storage [Member]
Storage [Member]
Storage [Member]
Ancillary Services [Member]
Ancillary Services [Member]
Ancillary Services [Member]
Lease Revenue [Member]
Lease Revenue [Member]
Lease Revenue [Member]
Segments [Axis]
Segments [Axis]
Segments [Domain]
Segments [Domain]
Refined Products Segment [Member]
Refined Products Segment [Member]
Refined Products Segment [Member]
Crude Oil Pipeline and Terminals Segment [Member]
Crude Oil Pipeline and Terminals Segment [Member]
Crude Oil Pipeline and Terminals Segment [Member]
Marine Storage Segment [Member]
Marine Storage Segment [Member]
Marine Storage Segment [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Transportation and terminals revenue
Revenue, Oil and Gas Services
Product sales revenue
Sales Revenue, Goods, Net
Affiliate management fee revenue
Revenue from Related Parties
Total revenue
Revenues
Revenue from Contract with Customer, Including Assessed Tax
Revenue from Contract with Customer, Excluding Assessed Tax
Operating Leases, Income Statement, Lease Revenue
Operating Leases, Income Statement, Lease Revenue
Unrealized Gain (Loss) on Derivatives
Unrealized Gain (Loss) on Derivatives
Income Statement [Abstract]
Affiliate management fee revenue
Costs and expenses:
Cost of Services [Abstract]
Operating
Direct Operating Costs
Cost of product sales
Cost of Goods Sold
Depreciation and amortization
Depreciation, Depletion and Amortization
General and administrative
General and Administrative Expense
Total costs and expenses
Costs and Expenses
Earnings of non-controlled entities
Income (Loss) from Equity Method Investments
Operating profit
Operating Income (Loss)
Interest expense
Interest Expense, Debt
Interest capitalized
Interest Costs Capitalized Adjustment
Interest income
Investment Income, Interest and Dividend
Other (income) expense
Other Nonoperating Income (Expense)
Provision for income taxes
Income Tax Expense (Benefit)
Net income
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Basic net income per limited partner unit (in dollars per share)
Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic, Net of Tax
Diluted net income per limited partner unit (in dollars per share)
Net Income (Loss), Net of Tax, Per Outstanding Limited Partnership Unit, Diluted
Weighted average number of limited partner units outstanding used for basic net income per unit calculation (in dollars per share)
Weighted Average Limited Partnership Units Outstanding, Basic
Weighted average number of limited partner units outstanding used for diluted net income per unit calculation (in dollars per share)
Weighted Average Limited Partnership Units Outstanding, Diluted
Segment Reporting [Abstract]
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Total revenue
Operating expenses
Earnings of non-controlled entities
Operating margin
Operating margin (loss)
Operating margin (loss)
G&A expense
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative [Table]
Derivative [Table]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Other Current Liabilities [Member]
Other Current Liabilities [Member]
Other Noncurrent Liabilities [Member]
Other Noncurrent Liabilities [Member]
Transaction Type [Axis]
Transaction Type [Axis]
Transaction [Domain]
Transaction [Domain]
Exchange Traded [Member]
Exchange Traded [Member]
Derivative [Line Items]
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability
Derivative Liability, Fair Value, Gross Liability
Derivative Asset, Fair Value, Gross Asset
Derivative Asset, Fair Value, Gross Asset
Derivative Liability, Fair Value, Amount Not Offset Against Collateral
Derivative Liability, Fair Value, Amount Not Offset Against Collateral
Derivative, Collateral, Right to Reclaim Cash
Derivative, Collateral, Right to Reclaim Cash
Amount After Offset
Amount After Offset
Amount After Offset
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Minimum [Member]
Minimum [Member]
Maximum [Member]
Maximum [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period
Revenue, Remaining Performance Obligation
Revenue, Remaining Performance Obligation
Other intangibles, accumulated amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Limited partner unitholders, units outstanding (in shares)
Limited Partners' Capital Account, Units Outstanding
Distributions Made to Members or Limited Partners [Abstract]
Schedule of Distributions Made to Member or Limited Partner [Table]
Distributions Made to Limited Partner [Table]
Distribution Made to Limited Partner [Line Items]
Distribution Made to Limited Partner [Line Items]
Cash distribution per unit (in dollars per share)
Total Cash Distribution to Limited Partners
Fair Value Disclosures [Abstract]
Fair Value
Fair Value Disclosures [Text Block]
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Hedging Relationship [Axis]
Hedging Relationship [Axis]
Hedging Relationship [Domain]
Hedging Relationship [Domain]
Economic Hedges [Member]
Economic Hedges [Member]
Economic Hedges [Member]
Economic Hedges Futures [Member]
Economic Hedges Futures [Member]
Economic Hedges Futures [Member]
Derivative, Nonmonetary Notional Amount
Derivative, Nonmonetary Notional Amount
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Hedging Designation [Axis]
Hedging Designation [Axis]
Hedging Designation [Domain]
Hedging Designation [Domain]
Designated as Hedging Instrument [Member]
Designated as Hedging Instrument [Member]
Not Designated as Hedging Instrument [Member]
Not Designated as Hedging Instrument [Member]
Derivative Instrument [Axis]
Derivative Instrument [Axis]
Derivative Contract [Domain]
Derivative Contract [Domain]
Commodity Contract [Member]
Commodity Contract [Member]
Interest Rate Contract [Member]
Interest Rate Contract [Member]
Other Current Assets [Member]
Other Current Assets [Member]
Other Noncurrent Assets [Member]
Other Noncurrent Assets [Member]
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset
Organization, Description of Business and Basis of Presentation
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Related Party Transactions [Abstract]
Related Party Transactions
Related Party Transactions Disclosure [Text Block]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Award Type [Axis]
Award Type [Axis]
Equity Award [Domain]
Equity Award [Domain]
Performance Based Awards [Member]
Performance Shares [Member]
Time-Based Awards [Member]
Phantom Share Units (PSUs) [Member]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
G&A Expense [Member]
General and Administrative Expense [Member]
Operating Expenses [Member]
Operating Expense [Member]
Share-based Compensation Arrangements by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocation of LTIP expense on consolidated statements of income
Allocated Share-based Compensation Expense
Partners' Capital Notes [Abstract]
Schedule of Capital Units
Schedule of Capital Units [Table Text Block]
Schedule of Distributions
Distributions Made to Limited Partner, by Distribution [Table Text Block]
Inventory
Inventory Disclosure [Text Block]
Schedule Of NYMEX Contracts And Butane Price Swap Purchase Agreements
Schedule Of NYMEX Contracts And Butane Price Swap Purchase Agreements [Table Text Block]
Schedule Of NYMEX Contracts And Butane Price Swap Purchase Agreements [Table Text Block]
Derivatives and Offset Amounts
Derivatives and Offset Amounts [Table Text Block]
Derivatives and Offset Amounts [Table Text Block]
Derivative Gains Included in Accumulated Other Comprehensive Loss (AOCL)
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
Derivatives and Hedging-Cash Flow Hedges
Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location
Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]
Derivatives and Hedging-Overall-Subsequent Measurement
Schedule of Derivatives and Hedging-Overall-Subsequent Measurement [Table Text block]
Tabular disclosure for other derivative instruments not designated as hedging instruments of the location and amount of gains and losses reported in the statement of financial performance.
Derivatives and Hedging-Designated
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Consolidated Debt
Schedule of Debt [Table Text Block]
Statement of Cash Flows [Abstract]
Operating Activities:
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Net income
Adjustments to reconcile net income to net cash provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization expense
Loss on sale and retirement of assets
Gain (Loss) on Disposition of Assets
Earnings of non-controlled entities
Equity-based incentive compensation expense
Share-based Compensation
Settlement cost, amortization of prior service credit and actuarial loss
Pension and Other Postretirement Benefits Cost (Reversal of Cost)
Changes in operating assets and liabilities:
Increase (Decrease) in Operating Capital [Abstract]
Trade accounts receivable and other accounts receivable
Increase (Decrease) in Accounts and Other Receivables
Inventory
Increase (Decrease) in Inventories
Energy commodity derivatives contracts, net of derivatives deposits
Increase (Decrease) in Commodity Contract Assets and Liabilities
Accounts payable
Increase (Decrease) in Accounts Payable
Accrued payroll and benefits
Increase (Decrease) in Employee Related Liabilities
Accrued interest payable
Increase (Decrease) in Interest Payable, Net
Accrued taxes other than income
Increase (Decrease) in Property and Other Taxes Payable
Accrued product liabilities
Increase (Decrease) in Other Accrued Liabilities
Deferred revenue
Increase (Decrease) in Deferred Air Traffic Revenue
Current and noncurrent environmental liabilities
Environmental Expense and Liabilities
Other current and noncurrent assets and liabilities
Increase (Decrease) in Other Operating Assets and Liabilities, Net
Net cash provided by operating activities
Investing Activities:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Additions to property, plant and equipment, net
Payments to Acquire Property, Plant, and Equipment
Proceeds from sale and disposition of assets
Proceeds from Sale of Productive Assets
Investments in non-controlled entities
Payments to Acquire Interest in Joint Venture
Deposits received from undivided joint interest partner
Increase (Decrease) in Deferred Revenue and Customer Advances and Deposits
Net cash used by investing activities
Financing Activities:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Distributions paid
Payments of Ordinary Dividends
Net commercial paper borrowings
Proceeds from (Repayments of) Commercial Paper
Debt placement costs
Payments of Debt Issuance Costs
Payments associated with settlement of equity-based incentive compensation
Payments Related to Tax Withholding for Share-based Compensation
Net cash used by financing activities
Net Cash Provided by (Used in) Financing Activities
Change in cash, cash equivalents and restricted cash
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect
Cash, cash equivalents and restricted cash at beginning of period
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Cash, cash equivalents and restricted cash at end of period
Supplemental non-cash investing and financing activities:
Noncash Investing and Financing Items [Abstract]
Issuance of limited partner units in settlement of equity-based incentive plan awards
Stock Issued
Additions to property, plant and equipment
Property, Plant and Equipment, Additions
Changes in accounts payable and other current liabilities related to capital expenditures
Increase (Decrease) in Other Accounts Payable
Additions to property, plant and equipment, net
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Credit Facility [Axis]
Credit Facility [Axis]
Credit Facility [Domain]
Credit Facility [Domain]
Commercial Paper [Member]
Commercial Paper [Member]
Debt Instrument [Axis]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
6.40% Notes Due 2018 [Member]
Six Point Four Zero Percentage Notes Due Two Thousand Eighteen [Member]
Six Point Four Zero Percentage Notes due Two Thousand Eighteen [Member]
6.55% Notes Due 2019 [Member]
Six Point Five Five Percentage Notes Due Two Thousand Ninteen [Member]
Six Point Five Five Percentage Notes due Two Thousand Ninteen [Member]
4.25% Notes Due 2021 [Member]
Four Point Two Five Percentage Notes Due Two Thousand Twenty One [Member]
Four Point Two Five Percentage Notes due Two Thousand Twenty One [Member]
3.20% Notes Due 2025 [Member]
Three Point Two Percentage Notes Due Two Thousand Twenty Five [Member]
Three Point Two Percentage Notes Due Two Thousand Twenty Five [Member]
5.00% Notes Due 2026 [Member]
Five Point Zero Percentage Notes Due Two Thousand Twenty Six [Member]
Five Point Zero Percentage Notes Due Two Thousand Twenty Six [Member]
6.40% Notes Due 2037 [Member]
Six Point Four Zero Percentage Notes Due Two Thousand Thirty Seven [Member]
Six Point Four Zero Percentage Notes due Two Thousand Thirty Seven [Member]
4.20% Notes Due 2042 [Member]
Four Point Two Zero Percentage Notes Due Two Thousand Fourty Two [Member]
Four Point Two Zero Percentage Notes Due Two Thousand Fourty Two [Member]
5.15% Notes Due 2043 [Member]
Five Point One Five Percentage Notes Due Two Thousand Forty Three [Member]
Five Point One Five Percentage Notes Due Two Thousand Forty Three
[Member]
4.20% Notes Due 2045 [Member]
Four Point Two Percentage Notes Due Two Thousand Forty Five [Member]
Four Point Two Percentage Notes Due Two Thousand Forty Five [Member]
4.25% Notes Due 2046 [Member]
Four Point Two Five Percentage Notes Due Two Thousand Forty Six [Member]
Four Point Two Five Percentage Notes Due Two Thousand Forty Six [Member]
4.20% Notes Due 2047 [Member]
Four Point Two Zero Percentage Notes Due Two Thousand Forty Seven [Member]
Four Point Two Zero Percentage Notes Due Two Thousand Forty Seven [Member]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Debt Instrument, Face Amount
Debt Instrument, Face Amount
Debt Instrument, Interest Rate, Stated Percentage
Debt Instrument, Interest Rate, Stated Percentage
Unamortized debt issuance costs
Debt Issuance Costs, Net
Net unamortized premium (discount)
Debt Instrument, Unamortized Discount (Premium), Net
Net unamortized amount of gains from historical fair value hedges
Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge
Long-term Debt
Long-term Debt
Segment Disclosures
Segment Reporting Disclosure [Text Block]
Organization and Description of Business [Table]
Organization and Description of Business [Table]
Organization and Description of Business [Table]
Adjustments for Error Corrections [Axis]
Adjustments for Error Corrections [Axis]
Adjustments for Error Correction [Domain]
Adjustments for Error Correction [Domain]
Error in Actuarial Assumptions [Member]
Error in Actuarial Assumptions [Member]
Error in Actuarial Assumptions [Member]
Refined Products Transportation Services [Member]
Refined Products Transportation Services [Member]
Refined Products Transportation Services [Member]
Ammonia Transportation Services [Member]
Ammonia Transportation Services [Member]
Ammonia Transportation Services [Member]
Organization and Description of Business [Line Items]
Organization and Description of Business [Line Items]
[Line Items] for Organization and Description of Business [Table]
Pipeline Length
Pipeline, Length
Pipeline, length
Number of Pipeline Terminals
Number of Pipeline Terminals
Number of PipelineTerminals
Number of Independent Terminals
Number of Independent Terminals
Number of Independent Terminals
Storage Capacity
Storage Capacity
Storage Capacity
Contracted Storage
Contracted Storage
Contracted Storage
Net periodic benefit cost (credit)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Accumulated other comprehensive loss
Billed Contracts Receivable
Billed Contracts Receivable
Contract with Customer, Asset, Net
Contract with Customer, Asset, Net
Deferred Revenue
Deferred Revenue
Fair Value, by Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
Measurement Basis [Axis]
Measurement Basis [Axis]
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Portion at Fair Value Measurement [Member]
Portion at Fair Value Measurement [Member]
Reported Value Measurement [Member]
Reported Value Measurement [Member]
Estimate of Fair Value Measurement [Member]
Estimate of Fair Value Measurement [Member]
Fair Value, Hierarchy [Axis]
Fair Value, Hierarchy [Axis]
Fair Value Hierarchy [Domain]
Fair Value Hierarchy [Domain]
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 1 [Member]
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Inputs, Level 2 [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability
Derivative Liability
Derivative Asset
Derivative Asset
Long-term receivables
Receivables, Fair Value Disclosure
Debt
Long-term Debt, Fair Value
Average Delivery Point of Barrels in Pipeline System
Average Delivery Point of Barrels in Pipeline System
Average Delivery Point of Barrels in Pipeline System
Deferred Revenue, Revenue Recognized
Deferred Revenue, Revenue Recognized
Equity-Based Incentive Compensation Expense
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]
Derivative Instruments, Gain (Loss) [Table]
Derivative Instruments, Gain (Loss) [Table]
Sales [Member]
Sales [Member]
Cost of Sales [Member]
Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net
Schedule of Inventory
Schedule of Inventory, Current [Table Text Block]
Schedule of Prospective Adoption of New Accounting Pronouncements
Schedule of Prospective Adoption of New Accounting Pronouncements [Table Text Block]
Revenue from External Customers by Products and Services
Revenue from External Customers by Products and Services [Table Text Block]
Contract with Customer, Asset and Liability
Contract with Customer, Asset and Liability [Table Text Block]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]
Schedule of Related Party Transactions, by Related Party [Table]
Schedule of Related Party Transactions, by Related Party [Table]
Related Party [Axis]
Related Party [Axis]
Related Party [Domain]
Related Party [Domain]
Director [Member]
Director [Member]
Related Party Transaction [Axis]
Related Party Transaction [Axis]
Related Party Transaction [Domain]
Related Party Transaction [Domain]
Methvin Company [Member]
Methvin Company [Member]
Methvin Company [Member]
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Related Party Transaction, Other Revenues from Transactions with Related Party
Related Party Transaction, Other Revenues from Transactions with Related Party
Accounts Receivable, Related Parties, Current
Accounts Receivable, Related Parties, Current
Schedule of Defined Benefit Plans Disclosures [Table]
Schedule of Defined Benefit Plans Disclosures [Table]
Retirement Plan Type [Axis]
Retirement Plan Type [Axis]
Retirement Plan Type [Domain]
Retirement Plan Type [Domain]
Pension Plan [Member]
Pension Plan [Member]
Other Postretirement Benefits Plan [Member]
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Changes in AOCL [Roll Forward]
Changes in AOCL [Roll Forward]
Changes in AOCL [Roll Forward]
Accumulated other comprehensive loss (Beginning Bal)
Net actuarial loss
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax
Amortization of prior service credit
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax
Amortization of actuarial loss
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax
Settlement cost
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
Accumulated other comprehensive loss (Ending Bal)
Cash Flow Hedging [Member]
Cash Flow Hedging [Member]
Interest Expense [Member]
Interest Expense [Member]
Net gain (loss) on cash flow hedges
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net
Document And Entity Information [Abstract]
Document and Entity Information [Abstract]
Document Type
Document Type
Amendment Flag
Amendment Flag
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Accounting Policies [Abstract]
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Reclassifications
Reclassification, Policy [Policy Text Block]
Restricted Cash
Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]
New Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Revenue Recognition
Revenue Recognition, Policy [Policy Text Block]
Revenue Recognition, Deferred Revenue
Revenue Recognition, Deferred Revenue [Policy Text Block]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Components of net periodic benefit costs:
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost
Defined Benefit Plan, Service Cost
Interest cost
Defined Benefit Plan, Interest Cost
Expected return on plan assets
Defined Benefit Plan, Expected Return (Loss) on Plan Assets
Amortization of prior service credit
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Amortization of actuarial loss
Defined Benefit Plan, Amortization of Gain (Loss)
Settlement cost
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement
Net periodic benefit cost
Equity Method Investments and Joint Ventures [Abstract]
Investments in Non-Controlled Entities
Equity Method Investments and Joint Ventures Disclosure [Text Block]
Future Debt Issuance 2019 [Member]
Future Debt Issuance 2019 [Member]
Future Debt Issuance 2019 [Member]
Future Debt Issuance 2018 [Member]
Future Debt Issuance 2018 [Member]
Future Debt Issuance 2018 [Member]
Derivative, Notional Amount
Derivative, Notional Amount
Derivative, Fair Value, Net
Derivative, Fair Value, Net
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months
Gain (Loss) from Components Excluded from Assessment of Fair Value Hedge Effectiveness, Net
Gain (Loss) from Components Excluded from Assessment of Fair Value Hedge Effectiveness, Net
Equity Method Investments
Equity Method Investments [Table Text Block]
Defined Contribution Plan, Cost
Defined Contribution Plan, Cost
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year
Increase (Decrease) in Fair Value of Price Risk Fair Value Hedging Instruments
Increase (Decrease) in Fair Value of Price Risk Fair Value Hedging Instruments
Increase (Decrease) in Fair Value of Hedged Item in Price Risk Fair Value Hedge
Increase (Decrease) in Fair Value of Hedged Item in Price Risk Fair Value Hedge
Revolving Credit Facility [Member]
Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity
Line of Credit Facility, Maximum Borrowing Capacity
Debt Instrument, Basis Spread on Variable Rate
Debt Instrument, Basis Spread on Variable Rate
Unused commitment fee
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage
Long term debt
Obligation for letters of credit
Letters of Credit Outstanding, Amount
Debt Instrument, Term
Debt Instrument, Term
Long-term Debt, Weighted Average Interest Rate, over Time
Long-term Debt, Weighted Average Interest Rate, over Time
Derivative Gains Included in AOCI [Roll Forward]
Derivative Gains Included in Accumulated Other Comprehensive Loss [Roll Forward]
Derivative Gains Included in Accumulated Other Comprehensive Loss [Roll Forward]
Beginning balance
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax
Reclassification of net loss (gain) on cash flow hedges to income
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax
Ending balance
Loss Contingencies [Table]
Loss Contingencies [Table]
Accounts Receivable [Member]
Accounts Receivable [Member]
Loss Contingencies [Line Items]
Loss Contingencies [Line Items]
Liabilities recognized for estimated environmental costs
Accrual for Environmental Loss Contingencies
Environmental expenses
Environmental Remediation Expense
Receivables from insurance carriers related to environmental matters
Recorded Third-Party Environmental Recoveries Receivable
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Limited partners' capital account, units authorized for issuance (in shares)
Deferred Compensation Arrangement with Individual, Shares Authorized for Issuance
Limited partner unitholders, units remaining available (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Employee Benefit Plans
Pension and Other Postretirement Benefits Disclosure [Text Block]
Statement of Comprehensive Income [Abstract]
Other comprehensive income:
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net gain (loss) on cash flow hedges
Reclassification of net loss on cash flow hedges to income
Amortization of prior service credit
Amortization of actuarial loss
Settlement cost
Total other comprehensive income
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Comprehensive income
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures
Schedule of Equity Method Investments [Table]
Schedule of Equity Method Investments [Table]
Investment, Name [Axis]
Investment, Name [Axis]
Investment, Name [Domain]
Investment, Name [Domain]
BridgeTex [Member]
BridgeTex [Member]
bridgetex [Member]
Double Eagle Pipeline Llc [Member]
Double Eagle Pipeline Llc [Member]
Double Eagle Pipeline LLC [Member]
HoustonLink Pipeline Company LLC [Member]
HoustonLink Pipeline Company LLC [Member]
HoustonLink Pipeline Company LLC [Member]
MVP Terminalling, LLC [Member]
MVP Terminalling, LLC [Member]
MVP Terminalling, LLC [Member]
Powder Springs Logistics, LLC [Member]
Powder Springs Logistics, LLC [Member]
Powder Springs Logistics, LLC [Member]
Saddlehorn Pipeline Company [Member]
Saddlehorn Pipeline Company [Member]
Saddlehorn Pipeline Company [Member]
Seabrook Logistics, LLC [Member]
Seabrook Logistics, LLC [Member]
Seabrook Logistics, LLC [Member]
Texas Frontera Llc [Member]
Texas Frontera Llc [Member]
Texas Frontera LLC [Member]
Equity Method Investee [Member]
Equity Method Investee [Member]
Guarantor Obligations, Nature [Axis]
Guarantor Obligations, Nature [Axis]
Guarantor Obligations, Nature [Domain]
Guarantor Obligations, Nature [Domain]
Guarantee of Indebtedness of Others [Member]
Guarantee of Indebtedness of Others [Member]
Schedule of Equity Method Investments [Line Items]
Schedule of Equity Method Investments [Line Items]
Interest in equity method investment
Equity Method Investment, Ownership Percentage
Accounts Payable, Other, Current
Accounts Payable, Other, Current
Guarantor Obligations, Maximum Exposure, Undiscounted
Guarantor Obligations, Maximum Exposure, Undiscounted
Guarantees, Fair Value Disclosure
Guarantees, Fair Value Disclosure
Change in Equity Method Investments [Roll Forward]
Change in Equity Method Investments [Roll Forward]
Change in Equity Method Investments [Roll Forward]
Investments at December 31, 2017
Additional investment
Additional Investment in NonControlled Entities
Additional Investment in NonControlled Entities
Other Adjustment to Equity Investment
Other Adjustment to Equity Investment
Other Adjustment to Equity Investment
Proportionate share of earnings
Proportionate Share of Equity Earnings
Proportionate Share of Equity Earnings
Amortization of excess investment and capitalized interest
Amortization of Excess Investment and Capitalized Interest
Amortization of Excess Investment and Capitalized Interest
Earnings of non-controlled entities
Distributions of earnings from investments in non-controlled entities
Investments at June 30, 2018
Schedule of Capital Units [Table]
Schedule of Capital Units [Table]
Title of Individual [Axis]
Title of Individual [Axis]
Relationship to Entity [Domain]
Relationship to Entity [Domain]
Management [Member]
Management [Member]
Capital Unit [Line Items]
Capital Unit [Line Items]
Increase (Decrease) in Partners' Capital [Roll Forward]
Increase (Decrease) in Partners' Capital [Roll Forward]
Limited partner units outstanding on January 1, 2018 (in shares)
During 2018–Other (in shares)
Partners' Capital Account, Units, Unit-based Compensation
Limited partner units outstanding on March 31, 2018 (in shares)
Derivative Financial Instruments
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Subsequent Events
Subsequent Events [Text Block]
Partners' Capital and Distributions
Partners' Capital Notes Disclosure [Text Block]
Schedule of Business Segment Reporting Information
Schedule of Segment Reporting Information, by Segment [Table Text Block]