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Provisions including post-retirement benefits - Summary of provisions, including post-retirement benefits (Detail) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Disclosure of other provisions [Line Items] |  |  |
Provisions (including post-retirement benefits), beginning balance | $ 18,715 | $ 18,053 | $ 18,053
Adjustment on currency translation | (98) |  | (841)
Adjustments to mining properties/right of use assets: |  |  |
– changes to existing and new provisions | (55) |  | 524
– change in discount rate | (960) |  | 0
Charged/(credited) to profit: |  |  |
– increases to existing and new provisions | 336 |  | 1,137
– change in discount rate | (184) |  | 0
– decreases and unused amounts reversed | (78) |  | (150)
– exchange (gains)/losses on provisions | (11) |  | 17
-amortisation of discount | 592 |  | 1,519
Utilised in the period | (492) |  | (1,039)
Re-measurement losses/(gains) recognised in other comprehensive income | 42 |  | (701)
Transfers and other movements | (15) |  | 196
Provisions (including post-retirement benefits), ending balance | 17,792 |  | 18,715
Balance sheet analysis: |  |  |
Current | 2,125 |  | 2,049
Non-current | 15,667 |  | 16,666
Total | 17,792 |  | 18,715
Post-retirement benefits and other employee entitlements |  |  |
Disclosure of other provisions [Line Items] |  |  |
Provisions (including post-retirement benefits), beginning balance | 1,658 |  |
Adjustment on currency translation | 14 |  |
Adjustments to mining properties/right of use assets: |  |  |
– changes to existing and new provisions | 0 |  |
– change in discount rate | 0 |  |
Charged/(credited) to profit: |  |  |
– increases to existing and new provisions | 100 |  |
– change in discount rate | 0 |  |
– decreases and unused amounts reversed | (2) |  |
– exchange (gains)/losses on provisions | 0 |  |
Utilised in the period | (115) |  |
Re-measurement losses/(gains) recognised in other comprehensive income | 42 |  |
Transfers and other movements | 1 |  |
Provisions (including post-retirement benefits), ending balance | 1,698 |  | 1,658
Balance sheet analysis: |  |  |
Current | 352 |  |
Non-current | 1,346 |  |
Total | 1,698 |  | 1,658
Provision for long service leave | 281 |  | 271
Provisions for redundancy and severance payments | 28 |  | 32
Post-retirement benefits and other employee entitlements | Amortisation of discount |  |  |
Charged/(credited) to profit: |  |  |
-amortisation of discount | 0 |  |
Close down restoration and environmental |  |  |
Disclosure of other provisions [Line Items] |  |  |
Provisions (including post-retirement benefits), beginning balance | 15,759 |  |
Adjustment on currency translation | (105) |  |
Adjustments to mining properties/right of use assets: |  |  |
– changes to existing and new provisions | (55) |  |
– change in discount rate | (960) |  |
Charged/(credited) to profit: |  |  |
– increases to existing and new provisions | 185 |  |
– change in discount rate | (166) |  |
– decreases and unused amounts reversed | (52) |  |
– exchange (gains)/losses on provisions | (9) |  |
Utilised in the period | (333) |  |
Re-measurement losses/(gains) recognised in other comprehensive income | 0 |  |
Transfers and other movements | 4 |  |
Provisions (including post-retirement benefits), ending balance | 14,846 |  | 15,759
Balance sheet analysis: |  |  |
Current | 1,249 |  |
Non-current | 13,597 |  |
Total | 14,846 |  | 15,759
Closure related receivables | $ 348 |  | $ 351
Actuarial assumption of discount rates | 2.00% | 1.50% | 1.50%
Close down restoration and environmental | Amortisation of discount |  |  |
Charged/(credited) to profit: |  |  |
-amortisation of discount | $ 578 | $ 503 |
Other provisions |  |  |
Disclosure of other provisions [Line Items] |  |  |
Provisions (including post-retirement benefits), beginning balance | 1,298 |  |
Adjustment on currency translation | (7) |  |
Adjustments to mining properties/right of use assets: |  |  |
– changes to existing and new provisions | 0 |  |
– change in discount rate | 0 |  |
Charged/(credited) to profit: |  |  |
– increases to existing and new provisions | 51 |  |
– change in discount rate | (18) |  |
– decreases and unused amounts reversed | (24) |  |
– exchange (gains)/losses on provisions | (2) |  |
-amortisation of discount | 14 |  |
Utilised in the period | (44) |  |
Re-measurement losses/(gains) recognised in other comprehensive income | 0 |  |
Transfers and other movements | (20) |  |
Provisions (including post-retirement benefits), ending balance | 1,248 |  | $ 1,298
Balance sheet analysis: |  |  |
Current | 524 |  |
Non-current | 724 |  |
Total | $ 1,248 |  | $ 1,298

X
- 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 2023-01-01 -Paragraph 144 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_144&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of current provisions, including provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph l -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_l&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of expense recognised due to the unwinding of the discount on provisions other than provisions for employee benefits, resulting from the effect of the passage of time. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The increase (decrease) in other provisions resulting from a change in discount rate. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2023-01-01 -Paragraph 84 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_84_e&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The increase (decrease) in other provisions resulting from foreign currency exchange rate changes on provisions measured in a currency different from the entity's presentation currency. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 37 -IssueDate 2023-01-01 -Paragraph 84 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_84&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The increase (decrease) in other provisions resulting from transfers and changes that the entity does not separately disclose in the same statement or note. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 37 -IssueDate 2023-01-01 -Paragraph 84 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_84&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of non-current provisions, including provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph l -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_l&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount used (ie incurred and charged against the provision) for other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2023-01-01 -Paragraph 84 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_84_c&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount reversed for unused other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2023-01-01 -Paragraph 84 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_84_d&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition Provision For Long Service Leave + References No definition available. + Details
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- Definition Provisions For Redundancy And Severance Payments + References No definition available. + Details
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