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v3.23.3

Employee benefits - Reconciliation of net liabilities recognized in the statement of financial position (Details) - Country of domicile [member] - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022 | Mar. 31, 2023
Overfunded Pension Plans [Member] |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Benefit obligation (Plan assets) as at beginning of the year |  | $ 1,114 | [1] | $ 919 |  |
Interest income |  | 53 | [1] | 84 |  |
Changes on asset ceiling |  | 350 | [1] | 65 |  |
Translation adjustment |  | 85 | [1] | 46 |  |
Benefit obligation (Plan assets) as at ending of the year | [1] | 1,602 |  | 1,114 |  |
Benefit obligation (Plan assets) as at beginning of the year |  | 95 | [1] | 84 |  |
Non-current provisions for employee benefits |  |  |  | 84 | $ 95 | [1]
Provisions for employee benefits |  | 95 | [1] | 84 |  |
Overfunded Pension Plans [Member] | Present value of defined benefit obligation [member] |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Benefit obligation (Plan assets) as at beginning of the year |  | (5,406) | [1] | (5,142) |  |
Overfunded Pension Plans [Member] | Plan assets [member] |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Benefit obligation (Plan assets) as at beginning of the year |  | 7,103 | [1] | 6,340 |  |
Overfunded Pension Plans [Member] | Effect of asset ceiling [member] |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Benefit obligation (Plan assets) as at beginning of the year |  | (1,602) | [1] | (1,114) |  |
Underfunded Pension Plans [Member] |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Benefit obligation (Plan assets) as at beginning of the year |  | (289) |  | (269) |  |
Current provisions for employee benefits |  | (13) |  | (10) |  |
Non-current provisions for employee benefits |  |  |  | (259) | $ (276) |
Provisions for employee benefits |  | (289) |  | (269) |  |
Underfunded Pension Plans [Member] | Present value of defined benefit obligation [member] |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Benefit obligation (Plan assets) as at beginning of the year |  | (643) |  | (608) |  |
Underfunded Pension Plans [Member] | Plan assets [member] |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Benefit obligation (Plan assets) as at beginning of the year |  | 354 |  | 339 |  |
Other Benefits [Member] |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Benefit obligation (Plan assets) as at beginning of the year |  | (1,132) |  | (1,057) |  |
Current provisions for employee benefits |  | (55) |  | (56) |  |
Non-current provisions for employee benefits |  | (1,077) |  | (1,001) |  |
Provisions for employee benefits |  | (1,132) |  | (1,057) |  |
Other Benefits [Member] | Present value of defined benefit obligation [member] |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |
Benefit obligation (Plan assets) as at beginning of the year |  | $ (1,132) |  | $ (1,057) |  |
[1] | The pension plan asset is recorded as “Other non-current assets” in the statement of financial position.

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- Definition The amount of current provisions for employee benefits. [Refer: Provisions for employee benefits] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 78 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78_d&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from the gain (loss) on changes in the effect of limiting a net defined benefit asset to the asset ceiling, excluding amounts included in interest income or expense. [Refer: Interest income (expense); Net defined benefit liability (asset); Increase (decrease) in net defined benefit liability (asset) resulting from interest expense (income)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 141 -Subparagraph c -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141_c_iv&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from changes in foreign exchange rates. [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 141 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141_e&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from the passage of time. [Refer: Interest expense; Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 141 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_141_b&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 140 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_140_a&doctype=Standard -URIDate 2023-03-23 + Details
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