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employee future benefits - Defined benefit pension plans expense (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Defined benefit pension plan expense (recovery) |  |
Total | $ 102 | $ 78
Pension plans |  |
Defined benefit pension plan expense (recovery) |  |
Discount rate used to determine defined benefit obligations | 2.50% | 3.10%
Pension plans | Pension plan |  |
Defined benefit pension plan expense (recovery) |  |
Current service cost | $ 92 | $ 72
Past service costs | 3 |
Interest expense arising from defined benefit obligations accrued | 297 | 335
Return, including interest income, on plan assets | (765) | (752)
Interest effect on asset ceiling limit | 4 | 10
Total | (464) | (407)
Administrative fees | 7 | 6
Re-measurements arising from demographic assumptions | 67 | 20
Re-measurements arising from financial assumptions | 836 | 984
Total | 903 | 1,004
Changes in the effect of limiting net defined benefit assets to the asset ceiling | (2) | (152)
Total | 539 | 523
Pension plans | Pension plan | Employee benefits expense |  |
Defined benefit pension plan expense (recovery) |  |
Current service cost | 92 | 72
Past service cost | 3 |
Administrative fees | 7 | 6
Total | 102 | 78
Pension plans | Pension plan | Financing costs |  |
Defined benefit pension plan expense (recovery) |  |
Interest expense arising from defined benefit obligations accrued | 297 | 335
Return, including interest income, on plan assets | (285) | (344)
Interest effect on asset ceiling limit | 4 | 10
Total | 16 | 1
Total | 16 | 1
Pension plans | Pension plan | Other comprehensive income |  |
Defined benefit pension plan expense (recovery) |  |
Return, including interest income, on plan assets | (480) | (408)
Total | (480) | (408)
Re-measurements arising from demographic assumptions | 67 | 20
Re-measurements arising from financial assumptions | 836 | 984
Total | 903 | 1,004
Changes in the effect of limiting net defined benefit assets to the asset ceiling | (2) | (152)
Defined benefit pension plan expense (recovery) | $ 421 | $ 444

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- Definition The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2020-01-01 -Paragraph 144 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2020-en-r&anchor=para_144&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of post-employment benefit expense relating to defined benefit plans. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2020-01-01 -Paragraph 5 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2020-en-r&anchor=para_5&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The expense resulting from actuarial gains (losses) arising from changes in demographic assumptions that result in re-measurements of the net defined benefit liability (asset). Demographic assumptions deal with matters such as: (a) mortality; (b) rates of employee turnover, disability and early retirement; (c) the proportion of plan members with dependents who will be eligible for benefits; (d) the proportion of plan members who will select each form of payment option available under the plan terms; and (e) claim rates under medical plans. + References No definition available. + Details
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- Definition The expense resulting from actuarial gains (losses) arising from changes in demographic assumptions that result in re-measurements of the net defined benefit liability (asset). Demographic assumptions deal with matters such as: (a) mortality; (b) rates of employee turnover, disability and early retirement; (c) the proportion of plan members with dependents who will be eligible for benefits; (d) the proportion of plan members who will select each form of payment option available under the plan terms; and (e) claim rates under medical plans, recognized in other comprehensive income. + References No definition available. + Details
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- Definition The expense resulting from actuarial gains (losses) arising from changes in financial assumptions that result in re-measurements of the net defined benefit liability (asset). Financial assumptions deal with items such as: (a) the discount rate; (b) benefit levels, excluding any cost of the benefits to be met by employees, and future salary; (c) in the case of medical benefits, future medical costs, including claim handling costs (i.e. the costs that will be incurred in processing and resolving claims, including legal and adjuster's fees); and (d) taxes payable by the plan on contributions relating to service before the reporting date or on benefits resulting from that service. + References No definition available. + Details
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- Definition The expense resulting from actuarial gains (losses) arising from changes in financial assumptions that result in re-measurements of the net defined benefit liability (asset). Financial assumptions deal with items such as: (a) the discount rate; (b) benefit levels, excluding any cost of the benefits to be met by employees, and future salary; (c) in the case of medical benefits, future medical costs, including claim handling costs (i.e. the costs that will be incurred in processing and resolving claims, including legal and adjuster's fees); and (d) taxes payable by the plan on contributions relating to service before the reporting date or on benefits resulting from that service, recognized in other comprehensive income. + References No definition available. + Details
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- Definition The expense resulting from actuarial gains (losses) arising from changes in actuarial assumptions that result in re-measurements of the net defined benefit liability (asset). + References No definition available. + Details
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- Definition Amount of administrative expenses recognized related to defined benefit plan. + References No definition available. + Details
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- Definition Amount of administrative expenses recognized related to defined benefit plan recognized in employee benefits expense. + References No definition available. + Details
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- Definition The amount of current service cost expense recognized related to defined benefit plan. + References No definition available. + Details
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- Definition The amount of current service cost expense recognized related to defined benefit plan recognized in employee benefits expense. + References No definition available. + Details
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- Definition The amount of interest effect on defined benefit plans asset ceiling limit. + References No definition available. + Details
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- Definition The amount of interest effect on defined benefit plans asset ceiling limit recognized in financing costs. + References No definition available. + Details
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- Definition The amount of past service cost expense recognized related to defined benefit plan. + References No definition available. + Details
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- Definition The amount of past service cost expense recognized related to defined benefit plan recognized in employee benefits expense. + References No definition available. + Details
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- Definition The amount of return on plan assets, including interest income. + References No definition available. + Details
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- Definition The amount of return on plan assets, including interest income recognized in financing costs + References No definition available. + Details
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- Definition The amount of return on plan assets, including interest income recognized in other comprehensive income. + References No definition available. + Details
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- Definition The expense (income) resulting from the loss (gain) on changes in the effect of limiting a net defined benefit asset to the asset ceiling, excluding amounts included in interest income. + References No definition available. + Details
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- Definition The expense (income) resulting from the loss (gain) on changes in the effect of limiting a net defined benefit asset to the asset ceiling, excluding amounts included in interest income recognized in other comprehensive income. + References No definition available. + Details
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- Definition The amount of interest expense arising from defined benefit obligations accrued. + References No definition available. + Details
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- Definition The amount of interest expense arising from defined benefit obligations accrued recognized in financing costs. + References No definition available. + Details
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- Definition The net amount of net interest and return on plan assets + References No definition available. + Details
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- Definition The total amount of post-employment benefit costs relating to defined benefit plan, including amounts charged to financing costs and to other comprehensive income. + References No definition available. + Details
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