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Related-Party Disclosures - Transactions with Joint Ventures (Details) - Joint ventures - CAD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of transactions between related parties [Line Items]    
Sales to Related Parties $ 44.5 $ 33.4
Distributions Paid 1.7 2.5
Amounts Owed by Related Parties $ 4.6 $ 4.3