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Supplemental Cash Flow Information - Disclosure of Changes in Working Capital and Other (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Net Change in Working Capital and Other [Line Items] |  |
Accounts receivable | $ 0 | $ (61)
Unbilled revenue | (28) | (6)
Inventories | 36 | (21)
Work-in-progress related to finance leases | (35) | 31
EI assets - finance leases receivable | 52 | 13
Income taxes receivable | 0 | 5
Prepayments | 9 | (5)
Net assets held for sale | 2 | (2)
Long-term receivables | 0 | 21
Accounts payable and accrued liabilities and provisions | (7) | (21)
Income taxes payable | 23 | 1
Deferred revenue | 74 | 24
Other current liabilities | (6) | 6
Foreign currency and other | (14) | 28
Net change in working capital and other | 106 | 13
Interest paid - short- and long-term borrowings | 87 | 106
Interest paid - lease liabilities | 4 | 5
Total interest paid | 91 | 111
Interest received | 4 | 27
Taxes paid | 45 | 41
Taxes received | $ 0 | $ 1

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