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v3.22.4

Goodwill (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 CAD ($) cADPerMegawattHour | Dec. 31, 2021 CAD ($) cADPerMegawattHour
Disclosure of detailed information about intangible assets [line items] |  |
Goodwill | $ 464 | $ 463
Impairment of goodwill | 0 |
Hydro |  |
Disclosure of detailed information about intangible assets [line items] |  |
Goodwill | 258 | 258
Wind and Solar |  |
Disclosure of detailed information about intangible assets [line items] |  |
Goodwill | 176 | 175
Energy Marketing |  |
Disclosure of detailed information about intangible assets [line items] |  |
Goodwill | $ 30 | $ 30
Minimum |  |
Disclosure of detailed information about intangible assets [line items] |  |
Discount rate used to calculate goodwill impairment | 5.90% | 5.00%
Electricity prices | cADPerMegawattHour | 28 | 17
Maximum |  |
Disclosure of detailed information about intangible assets [line items] |  |
Discount rate used to calculate goodwill impairment | 8.20% | 6.40%
Electricity prices | cADPerMegawattHour | 233 | 136

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