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Pensions and Post-Employment Benefits - Sensitivity Analysis of Pension and Other Post-Employment Benefits (Detail) $ in Millions | Dec. 31, 2023 USD ($)
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Actuarial assumption of discount rates [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
Sensitivity, possible increase in actuarial assumption | $ (99)
Sensitivity, possible decrease in actuarial assumption | 108
Actuarial assumption of expected rates of salary increases [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
Sensitivity, possible increase in actuarial assumption | 5
Sensitivity, possible decrease in actuarial assumption | (5)
Actuarial assumption of expected rates of pension increases [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
Sensitivity, possible increase in actuarial assumption | 73
Sensitivity, possible decrease in actuarial assumption | (68)
Pension defined benefit plans [member] | Actuarial assumption of discount rates [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
Sensitivity, possible increase in actuarial assumption | (95)
Sensitivity, possible decrease in actuarial assumption | 104
Pension defined benefit plans [member] | Actuarial assumption of expected rates of salary increases [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
Sensitivity, possible increase in actuarial assumption | 4
Sensitivity, possible decrease in actuarial assumption | (4)
Pension defined benefit plans [member] | Actuarial assumption of expected rates of pension increases [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
Sensitivity, possible increase in actuarial assumption | 73
Sensitivity, possible decrease in actuarial assumption | (68)
Other post employment benefits [Member] | Actuarial assumption of discount rates [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
Sensitivity, possible increase in actuarial assumption | (4)
Sensitivity, possible decrease in actuarial assumption | 4
Other post employment benefits [Member] | Actuarial assumption of expected rates of salary increases [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
Sensitivity, possible increase in actuarial assumption | 1
Sensitivity, possible decrease in actuarial assumption | $ (1)

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- Definition The increase (decrease) in a defined benefit obligation that would have been caused by a decrease in a significant actuarial assumption that was reasonably possible at the end of the reporting period. [Refer: Actuarial assumptions [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 145 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_145_a&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The increase (decrease) in a defined benefit obligation that would have been caused by an increase in a significant actuarial assumption that was reasonably possible at the end of the reporting period. [Refer: Actuarial assumptions [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 145 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_145_a&doctype=Standard -URIDate 2023-03-23 + Details
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