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Investments - Inter Pipeline (Details) - CAD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disclosure of financial assets [line items]
(Gain) loss from investment	$ (196)	$ (141)	$ 171
Inter Pipeline Ltd.
Disclosure of financial assets [line items]
(Gain) loss from investment	0	(51)	68
Dividend income	0	(2)	(5)
(Gain) loss from investment	$ 0	$ (53)	$ 63

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- Definition

Gains (Losses) On Investments

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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- Definition

The gains (losses) on financial assets at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss]

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- Definition

The amount of dividends recognised as income. Dividends are distributions of profits to holders of equity investments in proportion to their holdings of a particular class of capital.

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