Share-based payments - Schedule of Principal Assumptions Used in Stock Option Pricing Model (Details) |
6 Months Ended |
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Jun. 30, 2026
year
$ / shares
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| Share-based Payment Arrangements [Abstract] | |
| Fair value per option granted (CAD per share) | $ 3.96 |
| Share price (CAD per share) | 36 |
| Exercise price (CAD per share) | $ 36 |
| Expected dividend yield | 5.00% |
| Expected volatility | 17.00% |
| Risk-free interest rate | 3.00% |
| Expected life (years) | year | 6 |
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- Definition Fair Value Per Option Granted No definition available.
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- Definition Share-based Payment Arrangements [Abstract] No definition available.
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- Definition The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The option life of share options granted. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The exercise price of share options granted. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The percentage of an expected dividend used to calculate the fair value of share options granted. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The weighted average share price used as input to the option pricing model to calculate the fair value of share options granted. [Refer: Option pricing model [member]; Weighted average [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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