Asset Transactions and Impairments - Norway assets (Details) - Norway assets - CAD ($) $ in Millions	3 Months Ended
Sep. 30, 2022	Jun. 30, 2022
Asset Transactions and Impairments
Consideration received, net of cash disposed	$ 297
Cash disposed	133
Loss on sale of ownership interest	$ 65
Impairment charge, net of tax		$ 47
Deferred tax adjustment		$ 23
Oda
Asset Transactions and Impairments
Proportion of ownership interest in joint operation sold during the period	30.00%
Fenja Development
Asset Transactions and Impairments
Proportion of ownership interest in joint operation sold during the period	17.50%

Adjustments for gain (loss) on disposals investments in subsidiaries, joint ventures and associates to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Associates [member]; Joint ventures [member]; Subsidiaries [member]; Investments in subsidiaries, joint ventures and associates reported in separate financial statements; Profit (loss)]

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