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Leases
 6 Months Ended
Jun. 30, 2025
Leases [Abstract]  
Leases
(5) Leases
Balance Sheet Summary as of June 30, 2025 and December 31, 2024
The following table summarizes the right-of-use (“ROU”) asset and lease liability balances for the Company’s operating and finance leases at June 30, 2025 and December 31, 2024:
June 30, 2025December 31, 2024
(in millions)Operating LeasesFinance LeasesOperating LeasesFinance Leases
ROU assets, net
Equipment, real estate and other$31 $38 $33 $36 
Pipelines and storage23 24 25 14 
Railcars15 — 17 — 
Lease liability
Equipment, real estate and other$28 $36 $30 $33 
Pipelines and storage23 33 25 25 
Railcars15 — 16 — 
Lease Expense Summary for the Three and Six Months Ended June 30, 2025 and 2024
We recognize short-term and operating lease expense within Direct operating expenses (exclusive of depreciation and amortization) and Cost of materials and other, and finance lease expense within Depreciation and amortization, on a straight-
line basis over the lease term. For the three and six months ended June 30, 2025 and 2024, we recognized lease expense comprised of the following components:
Three Months Ended
June 30,		Six Months Ended
June 30,
(in millions)2025202420252024
Operating lease expense$5 $5 $11 $9 
Finance lease expense:
Amortization of ROU asset2 2 4 3 
Interest expense on lease liability1 1 3 2 
Short-term lease expense3 3 6 6 
Leases
(5) Leases
Balance Sheet Summary as of June 30, 2025 and December 31, 2024
The following table summarizes the right-of-use (“ROU”) asset and lease liability balances for the Company’s operating and finance leases at June 30, 2025 and December 31, 2024:
June 30, 2025December 31, 2024
(in millions)Operating LeasesFinance LeasesOperating LeasesFinance Leases
ROU assets, net
Equipment, real estate and other$31 $38 $33 $36 
Pipelines and storage23 24 25 14 
Railcars15 — 17 — 
Lease liability
Equipment, real estate and other$28 $36 $30 $33 
Pipelines and storage23 33 25 25 
Railcars15 — 16 — 
Lease Expense Summary for the Three and Six Months Ended June 30, 2025 and 2024
We recognize short-term and operating lease expense within Direct operating expenses (exclusive of depreciation and amortization) and Cost of materials and other, and finance lease expense within Depreciation and amortization, on a straight-
line basis over the lease term. For the three and six months ended June 30, 2025 and 2024, we recognized lease expense comprised of the following components:
Three Months Ended
June 30,		Six Months Ended
June 30,
(in millions)2025202420252024
Operating lease expense$5 $5 $11 $9 
Finance lease expense:
Amortization of ROU asset2 2 4 3 
Interest expense on lease liability1 1 3 2 
Short-term lease expense3 3 6 6