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Revenue (Notes)
 9 Months Ended
Sep. 30, 2025
Revenue from Contract with Customer [Abstract]  
Revenue from Contract with Customer [Text Block] Revenue
Disaggregation of Revenue
Revenues from our Fuel Distribution segment are derived from the sale of fuel, non-fuel and lease income. Fuel sales consist primarily of the sale of motor fuel under supply agreements with third-party customers and affiliates. Fuel supply contracts with our customers generally provide that we distribute motor fuel at a price based on a formula which includes published rates, volume-based profit margin and other terms specific to the agreement. The customer is invoiced the agreed-upon price with most payment terms ranging less than 30 days. If the consideration promised in a contract includes a variable amount, the Partnership estimates the variable consideration amount and factors in such estimate to determine the transaction price under the expected value method. Revenue is recognized under the motor fuel contracts at the point in time the customer takes control of the fuel. At the time control is transferred to the customer the sale is considered final, because the agreements do not grant customers the right to return motor fuel. To determine when control transfers to the customer, the shipping terms of the contract are assessed as a primary indicator of the transfer of control. For free on board shipping point terms, revenue is recognized at the time of shipment. The performance obligation with respect to the sale of goods is satisfied at the time of shipment since the customer gains control at this time under the terms. Shipping and/or handling costs that occur before the customer obtains control of the goods are deemed to be fulfillment activities and are accounted for as fulfillment costs. Once the goods are shipped, the Partnership is precluded from redirecting the shipment to another customer and revenue is recognized. Non-fuel revenue includes merchandise revenue that comprises the in-store merchandise and food service sales at company-operated retail stores and other revenue such as credit card processing, car washes, lottery and other services. Lease revenue is derived from the leasing or subleasing of real estate used in the retail distribution of motor fuels.
Revenues from our Pipeline Systems segment are derived from interstate and intrastate pipeline transportation of refined products, crude oil and anhydrous ammonia and the applicable pipeline tariff on a per barrel basis for crude oil or refined products and on a per ton basis for ammonia.
Revenues from our Terminals segment include fees for tank storage agreements, under which a customer agrees to pay for a certain amount of storage in a tank over a period of time (storage terminal revenues) and throughput agreements, under which a customer pays a fee per barrel for volumes moving through our terminals (throughput terminal revenues). Our terminals also provide blending, additive injections, handling and filtering services for which we charge additional fees. Additionally, we lease certain of our storage tanks in exchange for a fixed fee, subject to an annual consumer price index adjustment. We recognized lease revenues from these leases of $11 million and $35 million for the three and nine months ended September 30, 2025, respectively, which are included in “Service revenue” in our consolidated statement of operations.
The following table depicts the disaggregation of revenue:
Three Months Ended September 30,Nine Months Ended September 30,
2025202420252024
Fuel$5,638 $5,365 $15,436 $16,516 
Non-fuel73 79 215 225 
Lease income31 29 90 97 
Pipeline throughput165 134 486 272 
Terminal throughput29 38 87 74 
Other96 106 287 240 
Total revenues$6,032 $5,751 $16,601 $17,424 
Contract Balances with Customers
The balances of the Partnership’s contract assets and contract liabilities as of September 30, 2025 and December 31, 2024 were as follows:
September 30, 2025December 31, 2024
Contract assets$344 $288 
Accounts receivable from contracts with customers1,246 1,084 
Contract liabilities37 39 
The following tables summarize the consolidated activity of our contract liabilities:
Contract Liabilities
Balance, December 31, 2024$39 
Additions17 
Revenue recognized(19)
Balance, September 30, 2025$37 
Contract Liabilities
Balance, December 31, 2023$— 
NuStar Acquisition78 
Zenith European terminals acquisition3 
ET-S Permian formation(29)
Additions25 
Revenue recognized(33)
Balance, September 30, 2024$44 
Remaining Performance Obligations
The following table presents our estimated revenues from contracts with customers for remaining performance obligations that have not yet been recognized, representing our contractually committed revenue as of September 30, 2025.
Remaining Performance Obligations
2025(remaining)$103 
2026321 
2027200 
2028154 
2029108 
Thereafter275 
Total$1,161 
Our contractually committed revenue, for purposes of the tabular presentation above, is generally limited to customer contracts that have fixed pricing and fixed volume terms and conditions, including contracts with payment obligations for minimum volume commitments.
Costs to Obtain or Fulfill a Contract
The Partnership recognized amortization on capitalized costs incurred to obtain contracts of $9 million for the three months ended September 30, 2025 and 2024, and $28 million and $26 million for the nine months ended September 30, 2025 and 2024, respectively.