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Post-employment benefits | 3 Months Ended
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Jan. 31, 2025
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Post-employment benefits | Note 10. Post-employment benefits The following tables provide details on the post-employment benefit expense recognized in the interim consolidated statement of income and on the remeasurements recognized in the interim consolidated statement of comprehensive income: Defined benefit plan expense
$ millions, for the three months ended |  | 2025 Jan. 31 |  |  | 2024 Oct. 31 |  |  | 2024 Jan. 31 |  |  | 2025 Jan. 31 |  |  | 2024 Oct. 31 |  |  | 2024 Jan. 31 |
|  | Pension plans |  |  | Other post-employment plans |
Current service cost |  | $ | 57 |  |  | $ | 48 |  |  | $ | 48 |  |  | $ | 1 |  |  | $ | 2 |  |  | $ | 1 |
Net interest (income) expense |  |  | (20 | ) |  |  | (16 | ) |  |  | (16 | ) |  |  | 5 |  |  |  | 6 |  |  |  | 6 |
Interest expense on effect of asset ceiling |  |  | 1 |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |
Plan administration costs |  |  | 2 |  |  |  | 2 |  |  |  | 2 |  |  |  | – |  |  |  | – |  |  |  | – |
Net defined benefit plan expense (income) recognized in net income |  | $ | 40 |  |  | $ | 34 |  |  | $ | 34 |  |  | $ | 6 |  |  | $ | 8 |  |  | $ | 7 |
Defined contribution plan expe ns e
$ millions, for the three months ended |  | 2025 Jan. 31 |  |  | 2024 Oct. 31 |  |  | 2024 Jan. 31 |
Defined contribution pension plans |  | $ | 20 |  |  | $ | 17 |  |  | $ | 22 |
Government pension plans (1) |  |  | 56 |  |  |  | 50 |  |  |  | 43 |
Total defined contribution plan expense |  | $ | 76 |  |  | $ | 67 |  |  | $ | 65 |
(1) | Includes Canada Pension Plan, Quebec Pension Plan, and U.S. Federal Insurance Contributions Act.
Remeasurement of employee defined benefit plans (1)
$ millions, for the three months ended |  | 2025 Jan. 31 |  |  | 2024 Oct. 31 |  |  | 2024 Jan. 31 |  |  | 2025 Jan. 31 |  |  | 2024 Oct. 31 |  |  | 2024 Jan. 31 |
|  | Pension plans |  |  | Other post-employment plans |
Net actuarial gains (losses) on defined benefit obligations |  | $ | (166 | ) |  | $ | (5 | ) |  | $ | (699 | ) |  | $ | (7 | ) |  | $ | 38 |  |  | $ | (35 | )
Net actuarial gains (losses) on plan assets |  |  | 199 |  |  |  | 166 |  |  |  | 626 |  |  |  | – |  |  |  | – |  |  |  | – |
Changes in asset ceiling excluding interest income |  |  | 1 |  |  |  | (28 | ) |  |  | (1 | ) |  |  | – |  |  |  | – |  |  |  | – |
Net remeasurement gains (losses) recognized in OCI |  | $ | 34 |  |  | $ | 133 |  |  | $ | (74 | ) |  | $ | (7 | ) |  | $ | 38 |  |  | $ | (35 | )
(1) | The Canadian post-employment defined benefit plans are remeasured on a quarterly basis for changes in the discount rate and for actual asset returns. All other Canadian plans’ actuarial assumptions and foreign plans’ actuarial assumptions are updated at least annually.

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- Definition The entire disclosure for employee benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Section Scope -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&doctype=Standard&dita_xref=IAS19_g2-7_TI -URIDate 2024-03-27 + Details
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