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Commitments and Contingencies - Narrative (Details) - CAD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Disclosure Of Commitments And Contingent Liabilities [Line Items]
Total Payments	$ 36,941
Outstanding letters of credit	514	$ 565
Decommissioning Liabilities	2,788	3,906
HMLP
Disclosure Of Commitments And Contingent Liabilities [Line Items]
Total Payments	$ 2,300	$ 2,600

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- Definition

Disclosure Of Commitments And Contingent Liabilities [Line Items]

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No definition available.

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- Definition

Letters of credit issued as security for performance.

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- Definition

The amount of future capital expenditures that the entity is committed to make.

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The amount of provision for costs related to decommissioning, restoration and rehabilitation. [Refer: Other provisions]

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