The changes in non-cash balances related to operations consist of the following: | | | | | | | | | | | | | | | | | | | Year ended December 31 (millions of dollars) | | | 2025 | 2024 | Accounts receivable | | | (169) | | (81) | | | Due from related parties | | | (84) | | (12) | | | Materials and supplies | | | (1) | | 6 | | Prepaid expenses and other assets (Note 8) | | | 2 | | (26) | | | Other long-term assets | | | (5) | | (34) | | Accounts payable (Note 13) | | | 23 | | 7 | | | Accrued liabilities | | | 95 | | 136 | | Unearned revenue (Note 13) | | | (23) | | 125 | | | Due to related parties | | | 137 | | 40 | | Accrued interest (Note 13) | | | 23 | | 31 | | | Long-term accounts payable and other long-term liabilities | | | (9) | | 8 | | | Post-retirement and post-employment benefit liability | | | 64 | | 49 | | | | | 53 | | 249 | |
The following tables reconcile investments in property, plant and equipment and intangible assets and the amounts presented in the consolidated statements of cash flows for the years ended December 31, 2025 and 2024. The reconciling items include net change in accruals, transfers, and capitalized depreciation. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Year ended December 31, 2025 (millions of dollars) | | | | | Property, Plant and Equipment | Intangible Assets |
Total | | Capital investments | | | | | (3,289) | | (77) | | (3,366) | | | Reconciling items | | | | | 319 | | (3) | | 316 | | | Cash outflow for capital expenditures | | | | | (2,970) | | (80) | | (3,050) | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Year ended December 31, 2024 (millions of dollars) | | | | | Property, Plant and Equipment | Intangible Assets |
Total | | Capital investments | | | | | (2,968) | | (95) | | (3,063) | | | Reconciling items | | | | | 248 | | 7 | | 255 | | | Cash outflow for capital expenditures | | | | | (2,720) | | (88) | | (2,808) | |
Supplementary Information | | | | | | | | | | | | | | | | | | | Year ended December 31 (millions of dollars) | | | 2025 | 2024 | | Net interest paid | | | 724 | | 643 | | | Income taxes paid | | | 45 | | 35 | |
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