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Defined Benefit Obligation and Other Long-Term Liabilities (Details) - CAD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Subclassifications of assets, liabilities and equities [abstract]
Defined benefit obligation (Note 28)	$ 282	$ 268
Long-term incentive accruals (Note 27)	4	4
Other	12	29
Total	$ 298	$ 301

X

- Definition

The amount of accruals classified as non-current. [Refer: Accruals]

+ References

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- Definition

The amount of non-current net defined benefit liability. [Refer: Net defined benefit liability]

+ References

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- Definition

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

+ References

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- Definition

Non-current Defined Benefit Obligation And Other Long-term Liabilities

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