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Goodwill and Intangible Assets, net
 12 Months Ended
Dec. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets, net Goodwill and Intangible Assets, net
Goodwill
Goodwill balances and activity for the years ended December 31, 2025 and 2024 consisted of the following:
Segment
Fuel DistributionPipeline SystemsTerminalsRefineryConsolidated
(in millions)
Balance at December 31, 2023$1,362 $— $237 $— $1,599 
West Texas Sale(138)— — — (138)
NuStar Acquisition16 — — — 16 
Balance at December 31, 20241,240 — 237 — 1,477 
Parkland Acquisition1,070 38 — 420 1,528 
Other15 — — 6 21 
Balance at December 31, 2025$2,325 $38 $237 $426 $3,026 
The Partnership determines the fair value of our reporting units using the discounted cash flow method, the guideline company method, or a weighted combination of the discounted cash flow method and the guideline company method. Determining the fair value of a reporting unit requires judgment and the use of significant estimates and assumptions. Such estimates and assumptions include revenue growth rates, operating margins, weighted average costs of capital and future market conditions, among others. The Partnership believes the estimates and assumptions used in our impairment assessments are reasonable and based on available market information, but variations in any of the assumptions could result in materially different calculations of fair value and determinations of whether or not an impairment is indicated. Under the discounted cash flow method, the Partnership determines fair value based on estimated future cash flows of each reporting unit including estimates for capital expenditures, discounted to present value using the risk-adjusted industry rate, which reflect the overall level of inherent risk of the reporting unit. Cash flow projections are derived from one year budgeted amounts and five year operating forecasts plus an estimate of later period cash flows, all of which are evaluated by management. Subsequent period cash flows are developed for each reporting unit using growth rates that management believes are reasonably likely to occur. Under the guideline company method, the Partnership determines the estimated fair value of each of our reporting units by applying valuation multiples of comparable publicly-traded companies to each reporting unit’s projected EBITDA and then averaging that estimate with similar historical calculations using a three year average. In addition, the Partnership estimates a reasonable control premium representing the incremental value that accrues to the majority owner from the opportunity to dictate the strategic and operational actions of the business. The fair value estimates used in the long-lived asset and goodwill tests were primarily based on Level 3 inputs of the fair value hierarchy.
During the fourth quarters of 2025, 2024 and 2023, we performed our annual impairment testing. No goodwill impairment was identified for the reporting units as a result of these tests.
Intangible Assets, net
Gross carrying amounts and accumulated amortization for each major class of intangible assets, excluding goodwill, consisted of the following:
 December 31, 2025December 31, 2024
 Gross
Carrying
Amount		Accumulated
Amortization		Net
Book Value		Gross
Carrying
Amount		Accumulated
Amortization		Net
Book Value
Indefinite-lived      
Tradenames$606 $— $606 $302 $— $302 
Finite-lived
Customer relations including supply agreements2,241 520 1,721 721 477 244 
Other intangibles93 9 84 8 7 1 
Intangible assets, net$2,940 $529 $2,411 $1,031 $484 $547 
During the fourth quarters of 2025, 2024 and 2023, we performed the annual impairment tests on Sunoco’s indefinite-lived intangible assets. No impairments were recorded in 2025, 2024 and 2023.
Total amortization expense on finite-lived intangibles included in depreciation, amortization and accretion was $45 million, $37 million and $44 million for the years ended December 31, 2025, 2024 and 2023, respectively.
Customer relations and supply agreements have a remaining weighted average life of approximately 18 years.
As of December 31, 2025, the Partnership’s estimate of amortization for each of the five succeeding fiscal years and thereafter for finite-lived intangibles was as follows:
 Amortization
2026$124 
2027124 
2028124 
2029120 
2030118 
Thereafter1,195 
Total$1,805