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Exchangeable Securities (Tables) | 12 Months Ended
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Dec. 31, 2023
Exchangeable Securities [Abstract] |
Disclosure of borrowing costs | Exchangeable Securities
As at | Dec. 31, 2023 | Dec. 31, 2022
Carrying value | Face value | Interest | Carrying value | Face value | Interest
Exchangeable debentures – due May 1, 2039(1) | 344 | 350 |  | 7 | % | 339 | 350 | 7 | %
Exchangeable preferred shares(2) | 400 | 400 | 7 | % | 400 | 400 | 7 | %
Total exchangeable securities | 744 | 750 |  | 739 |  | 750 |  |
(1)Seven per cent unsecured subordinated debentures due May 1, 2039. (2)Redeemable, retractable first preferred shares (Series I). Exchangeable preferred share dividends are reported as interest expense.
Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, liabilities |
As at | Dec. 31, 2023 |  | Dec. 31, 2022
Description | Base fair value | Sensitivity |  | Base fair value | Sensitivity
Option to exchange – embedded derivative | — |  | +nil -25 |  | — |  | +nil -25

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- Definition The entire disclosure for borrowing costs. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 23 -IssueDate 2023-01-01 -Section Disclosure -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=23&code=ifrs-tx-2023-en-r&doctype=Standard&dita_xref=IAS23_g26-26_TI -URIDate 2023-03-23 + Details
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- Definition The disclosure of the sensitivity analysis of the fair value measurement of liabilities to changes in unobservable inputs. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2023-01-01 -Paragraph 93 -Subparagraph h -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_93_h&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition Exchangeable Securities [Abstract] + References No definition available. + Details
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