Trade payables and other liabilities (Details) - CAD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Subclassifications of assets, liabilities and equities [abstract]
Trade payables and accruals	$ 2,817	$ 2,961
Compensation payable	547	543
Severance and other costs payable	193	157
Commodity taxes payable	118	146
Derivative liabilities	76	41
Provisions	55	65
Other current liabilities	586	594
Total trade payables and other liabilities	$ 4,392	$ 4,507

Commodity Taxes Payable, Current

No definition available.

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- Definition

Trade Payables and Current Accruals

+ References

No definition available.

+ Details

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- Definition

The amount of current derivative financial liabilities. [Refer: Derivative financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
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- Definition

The amount of current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Current liabilities]

+ References

+ Details

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- Definition

The amount of current provisions other than provisions for employee benefits. [Refer: Provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-URIDate 2025-03-27

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- References

+ Details

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- Definition

The amount of accruals for employee benefits (other than termination benefits) that are expected to be settled wholly within twelve months after the end of the annual reporting period in which the employees render the related services. [Refer: Accruals classified as current]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details

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- References

No definition available.

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- Definition

The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-URIDate 2025-03-27

+ Details

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