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v3.22.4

Assets Held for Sale - Narrative (Details) $ in Millions |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 02, 2022 CAD ($) | Nov. 07, 2022 CAD ($) | Jun. 30, 2021 CAD ($) | Oct. 01, 2020 | Dec. 31, 2022 CAD ($) asset | Dec. 31, 2021 CAD ($) | Dec. 31, 2020 CAD ($)
Investment [Line Items] |  |  |  |  |  |  |
Proceeds on sale of Pioneer Pipeline |  |  |  |  | $ 0.0 | $ 128.0 | $ 0.0
Gain on sale of assets and other |  |  |  |  | 52.0 | 54.0 | $ 9.0
Transfers from property, plant and equipment |  |  |  |  | $ (29.0) | (1.0) |
Pipeline |  |  |  |  |  |  |
Investment [Line Items] |  |  |  |  |  |  |
Aggregate consideration |  |  | $ 255.0 |  |  |  |
Membership interest |  |  | 50.00% |  |  |  |
Proceeds on sale of Pioneer Pipeline |  |  | $ 128.0 |  |  |  |
Gain on sale of assets and other |  |  | 31.0 |  |  |  |
Gains on lease liability |  |  | $ 2.0 |  |  |  |
Gas |  |  |  |  |  |  |
Investment [Line Items] |  |  |  |  |  |  |
Transfers from property, plant and equipment |  |  |  |  |  | $ 25.0 |
Creeks |  |  |  |  |  |  |
Investment [Line Items] |  |  |  |  |  |  |
Proceeds on sale of Pioneer Pipeline |  | $ 45.0 |  |  |  |  |
Gain on sale of assets and other |  | $ 20.0 |  |  |  |  |
Hydro |  |  |  |  |  |  |
Investment [Line Items] |  |  |  |  |  |  |
Gain on sale of assets and other | $ 2.0 |  |  |  |  |  |
Proceeds from sale of assets held for sale | $ 6.0 |  |  |  |  |  |
Number of assets | asset |  |  |  |  | 2 |  |
Kaybob Cogeneration Project |  |  |  |  |  |  |
Investment [Line Items] |  |  |  |  |  |  |
Transfers from property, plant and equipment |  |  |  |  | $ 22.0 |  |
Tidewater | Pioneer Pipeline |  |  |  |  |  |  |
Investment [Line Items] |  |  |  |  |  |  |
Proportion of ownership interest in joint operation |  |  |  | 50.00% |  |  |

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