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Cash Flow Information | 12 Months Ended
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Dec. 31, 2024
Disclosure of cash flow statement [Abstract] |
Cash Flow Information | Cash Flow Information A. Change in Non-Cash Operating Working Capital
Year ended Dec. 31 | 2024 |  | 2023 | 2022
Source (use): |  |  |  |
Accounts receivable | 155 |  |  | 715 |  | (869) |
Prepaid expenses | 85 |  |  | — |  | — |
Income taxes receivable | 22 |  |  | 27 |  | (61) |
Inventory | 34 |  |  | (2) |  | 6 |
Accounts payable, accrued liabilities and provisions | (273) |  |  | (550) |  | 548 |
Income taxes payable | 15 |  |  | (66) |  | 60 |
Change in non-cash operating working capital | 38 |  |  | 124 |  | (316) |
B. Changes in Liabilities from Financing Activities
| Balance Dec. 31, 2023 | Debt assumed | Repayments and dividends paid(1) | New leases |  | Dividends declared | Foreign exchange impact | Other |  | Balance Dec. 31, 2024
Long-term debt and lease liabilities(2) | 3,469 |  | 232 |  | 6 |  | 5 |  |  | — |  | 86 |  | 11 |  |  | 3,809 |
Exchangeable securities | 744 |  | — |  | — |  | — |  |  | — |  | — |  | 6 |  |  | 750 |
Dividends payable (common and preferred) | 49 |  | — |  | (123) |  | — |  |  | 123 |  | — |  | — |  |  | 49 |
Total liabilities from financing activities | 4,262 |  | 232 |  | (117) |  | 5 |  |  | 123 |  | 86 |  | 17 |  |  | 4,608 |
(1)Includes a decrease of $131 million related to the repayment of long-term debt, a $143 million net decrease in borrowings under credit facilities and a decrease in finance lease obligations of $6 million. (2)Includes bank overdraft of $1 million and new debt assumed of $232 million as part of the Heartland acquisition. Refer to Note 4.
| Balance Dec. 31, 2022 | Cash issuances | Repayments and dividends paid(1) | New leases |  | Dividends declared | Foreign exchange impact | Other | Balance Dec. 31, 2023
Long-term debt and lease liabilities(2) | 3,669 |  | 39 |  | (220) |  | 5 |  |  | — |  | (36) |  | 12 |  | 3,469 |
Exchangeable securities | 739 |  | — |  | — |  | — |  |  | — |  | — |  | 5 |  | 744 |
Dividends payable (common and preferred)(3) | 68 |  | — |  | (109) |  | — |  |  | 116 |  | — |  | (26) |  | 49 |
Total liabilities from financing activities | 4,476 |  | 39 |  | (329) |  | 5 |  |  | 116 |  | (36) |  | (9) |  | 4,262 |
(1)Includes a decrease of $164 million related to the repayment of long-term debt, a $46 million net decrease in borrowings under credit facilities and a decrease in finance lease obligations of $10 million. (2)Includes bank overdraft of $3 million. (3)Other dividends payable related to payment of TransAlta Renewables' non-controlling interest dividend reflected within distributions paid to subsidiaries of non-controlling interests in the Consolidated Statements of Cash Flows.

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