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Financing Expenses (Tables) | 12 Months Ended
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Dec. 31, 2022
Financing Expenses |
Schedule of financing expenses | ​
​ | ​ | ​ | ​ | ​ | ​
($ millions) |  | 2022 |  | 2021 |
Interest on debt | ​ | 815 | ​ | 834 | ​
Interest on lease liabilities |  | 167 |  | 161 | ​
Capitalized interest at 5.2% ( 2021 – 5.0%) |  | (168) |  | (144) | ​
Interest expense |  | 814 |  | 851 | ​
Interest on partnership liability | ​ | 51 | ​ | 51 | ​
Interest on pension and other post-retirement benefits |  | 41 |  | 59 | ​
Accretion |  | 316 |  | 304 | ​
Foreign exchange loss (gain) on U.S. dollar denominated debt |  | 729 |  | (113) | ​
Operational foreign exchange and other |  | 28 |  | 23 | ​
Loss on extinguishment of long-term debt |  | 32 | ​ | 80 | ​
​ |  | 2 011 |  | 1 255 | ​

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