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COMMITMENTS AND CONTINGENCIES - LESSOR INFORMATION (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Lessor, Lease, Description [Line Items] |  |  |
Property, plant and equipment, gross | $ 80,397 | $ 72,495 |
Accumulated depreciation | (18,960) | (17,535) |
Operating leases |  |  |
2025 | 318 |  |
2026 | 272 |  |
2027 | 269 |  |
2028 | 268 |  |
2029 | 246 |  |
Thereafter | 2,324 |  |
Total undiscounted cash flows | 3,697 |  |
Fixed lease payments | 340 | 321 | $ 290
Variable lease payments | 38 | 34 | 10
Total revenues from operating leases | $ 378 | 355 | 300
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] | Unregulated Operating Revenue |  |
Depreciation expense | $ 2,409 | 2,202 | 1,995
Sales-type leases |  |  |
2025 | 17 |  |
2026 | 9 |  |
2027 | 0 |  |
2028 | 0 |  |
2029 | 0 |  |
Thereafter | 0 |  |
Total undiscounted cash flows | 26 |  |
Less: present value of lease payments (recognized as lease receivable) | (23) |  |
Difference between undiscounted cash flows and discounted cash flows | 3 |  |
Interest income | 5 | 6 | 8
Total revenues from sales-type lease | 5 | 6 | 8
Other Current Assets |  |  |
Sales-type leases |  |  |
Less: present value of lease payments (recognized as lease receivable) | (15) |  |
Other long-term assets |  |  |
Sales-type leases |  |  |
Less: present value of lease payments (recognized as lease receivable) | (8) |  |
Pipelines and storage |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Property, plant and equipment, gross | 1,313 | 1,304 |
Refined products terminals |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Property, plant and equipment, gross | 623 | 621 |
Other |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Property, plant and equipment, gross | 77 | 77 |
Lease assets |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Property, plant and equipment, gross | 2,013 | 2,002 |
Accumulated depreciation | (605) | (539) |
Property, plant and equipment, net | 1,408 | 1,463 |
Operating leases |  |  |
Depreciation expense | $ 73 | $ 62 | $ 54

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