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Estimated 2020 Amortization from Accumulated Other Comprehensive Income (Detail)
$ in Millions

Dec. 31, 2019

CAD ($)

Pension benefits

Defined Benefit Plan Disclosure [Line Items]

Net actuarial loss (gain)

$ 157

^[1]

Prior service cost

13

^[2]

Other postretirement benefits

Defined Benefit Plan Disclosure [Line Items]

Net actuarial loss (gain)

$ 9

^[1]

[1]	The company amortizes the net balance of actuarial loss (gain) as a component of net periodic benefit cost over the average remaining service period of active plan participants.
[2]	The company amortizes prior service cost on a straight-line basis.

X

- Definition

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

+ References

No definition available.

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- Definition

Amount included in accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan expected to be recognized in net periodic benefit (cost) credit for fiscal year following most recent annual statement of financial position.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
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Amount included in accumulated other comprehensive (income) loss for prior service cost (credit) expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position.

+ References

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