Equity-based compensation - Schedule of inputs (Details) |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2025
CAD ($)
years
$ / shares
|
Dec. 31, 2024
CAD ($)
$ / $
$ / shares
|
|
| Share-Based Payment Arrangements [Abstract] | ||
| Share price on balance sheet (in CAD per share) | $ 83.67 | $ 123.56 |
| Weighted average exercise price (in CAD per share) | $ 98.52 | $ 95.42 |
| Expected dividend (in CAD per share) | $ | $ 1.75 | $ 1.84 |
| Expected volatility, share options granted | 32.00% | 42.58% |
| Risk free interest rate, share options granted | 2.69% | 2.87% |
| Option life, share options granted | 4.03 | 4.35 |
| X | ||||||||||
- 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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| X | ||||||||||
- Definition The option life of share options granted. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- 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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| X | ||||||||||
- Definition The exercise price of share options granted. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount 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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| X | ||||||||||
- Definition The weighted average share price. [Refer: Weighted average [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Share-Based Payment Arrangements [Abstract] No definition available.
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