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Lease Accounting (Tables) | 12 Months Ended
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Dec. 31, 2025
Assets Under Operating Leases [Abstract] |
Lease, Cost | The components of lease expense consisted of the following:
|  | Year Ended December 31,
Lease cost | Classification | 2025 |  | 2024
Operating lease costs: |  |  |  |
Operating lease cost | Lease expense | $ | 96 |  |  | $ | 50 |
Finance lease costs: |  |  |  |
Amortization of leased assets | Depreciation, amortization and accretion | 4 |  |  | 1 |
Interest on lease liabilities | Interest expense | 3 |  |  | 2 |
Short-term lease cost | Lease expense | 7 |  |  | 4 |
Variable lease cost | Lease expense | 11 |  |  | 18 |
Sublease income | Lease income | (35) |  |  | (45) |
Net lease cost |  | $ | 86 |  |  | $ | 30 |
Lease term and discount rate | December 31, 2025 |  | December 31, 2024
Weighted average remaining lease term (years) |  |  |
Operating leases | 16 |  | 19
Finance leases | 11 |  | 18
Weighted average discount rate (%) |  |  |
Operating leases | 6 | % |  | 6 | %
Finance leases | 5 | % |  | 6 | %
Schedule of additional lease information |
| Year Ended December 31,
Other information | 2025 |  | 2024
Cash paid for amount included in the measurement of lease liabilities: |  |  |
Operating cash flows from operating leases | $ | (92) |  |  | $ | (49) |
Operating cash flows from finance leases | (4) |  |  | (1) |
Financing cash flows from finance leases | (1) |  |  | (1) |
Leased assets obtained in exchange for new finance lease liabilities | 1 |  |  | — |
Leased assets obtained in exchange for new operating lease liabilities | 279 |  |  | 3 |
Operating Lease, Lease Income | Minimum future lease payments receivable as of December 31, 2025 were as follows:
2026 |  | $ | 154 |
2027 |  | 124 |
2028 |  | 98 |
2029 |  | 78 |
2030 |  | 68 |
Thereafter |  | 369 |
Total undiscounted cash flows |  | $ | 891 |
Schedule of Property Subject to or Available for Operating Lease | The balances of property, plant and equipment that are being leased to third parties were as follows:
| December 31, 2025 |  | December 31, 2024
Land and improvements | $ | 698 |  |  | $ | 513 |
Buildings, equipment and leasehold improvements | 1,045 |  |  | 556 |
Pipelines | 377 |  |  | 217 |
Product storage and related facilities | 410 |  |  | 283 |
Right of way | 105 |  |  | — |
Other | 81 |  |  | 39 |
Construction work-in-process | 54 |  |  | 64 |
Total property, plant and equipment | 2,770 |  |  | 1,672 |
Less: Accumulated depreciation | (829) |  |  | (449) |
Property, plant and equipment, net | $ | 1,941 |  |  | $ | 1,223 |
Lessee, Operating Lease, Liability, Maturity [Table Text Block] | Maturities of lease liabilities as of December 31, 2025 were as follows:
| Operating leases |  | Finance leases |  | Total
2026 | $ | 240 |  |  | $ | 16 |  |  | $ | 256 |
2027 | 196 |  |  | 15 |  |  | 211 |
2028 | 171 |  |  | 15 |  |  | 186 |
2029 | 149 |  |  | 12 |  |  | 161 |
2030 | 138 |  |  | 6 |  |  | 144 |
Thereafter | 1,445 |  |  | 53 |  |  | 1,498 |
Total lease payments | 2,339 |  |  | 117 |  |  | 2,456 |
Less: interest | 873 |  |  | 30 |  |  | 903 |
Present value of lease liabilities | $ | 1,466 |  |  | $ | 87 |  |  | $ | 1,553 |

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