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Supplemental Cash Flow Information (Tables) | 9 Months Ended
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Sep. 30, 2025
Supplemental Cash Flow Information [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures | The following table provides supplemental disclosure of substantive cash flow information (in millions):
| Nine Months Ended September 30, |  |
| 2025 |  | 2024 |  |
Cash paid during the period for interest on debt, net of amounts capitalized | $ | 575 |  |  | $ | 671 |  |  |
Non-cash investing activities: |  |  |  |  |
Unpaid purchases of property, plant and equipment (1) | 10 |  |  | 20 |  |  |
Right-of-use assets obtained in exchange for lease liabilities: |  |  |  |  |
Operating lease liabilities (2) | 2 |  |  | 3 |  |  |
Finance lease liabilities (3) | — |  |  | 59 |  |  |
(1)Reflects unpaid portion, as of the end of each period, of assets and liabilities recognized during the respective periods. (2)Net of $33 million reclassified from operating leases to finance leases during the nine months ended September 30, 2024, as a result of modifications of the underlying tug vessel leases. (3)Net of $15 million reclassified from finance leases to operating leases during the nine months ended September 30, 2024, as a result of modifications of the underlying tug vessel leases.

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