XML 548 R165.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Employment costs and provisions - Summary of provisions including post-retirement benefits (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Disclosure of other provisions [Line Items] |  |
Provisions, beginning balance | $ 1,558 | $ 1,658
Adjustment on currency translation | (83) | 32
Charged/(credited) to profit: |  |
– increases to existing and new provisions | 199 | 78
– unused amounts reversed | (12) | (26)
Utilised in year | (133) | (277)
Remeasurement (gains)/losses recognised in other comprehensive income | (94) | 102
Transfers and other movements | 21 | (9)
Provisions, ending balance | 1,456 | 1,558
Balance sheet analysis: |  |
Current | 359 | 361
Non-current | 1,097 | 1,197
Total | 1,456 | 1,558
Pensions and post-retirement healthcare |  |
Disclosure of other provisions [Line Items] |  |
Provisions, beginning balance | 1,189 |
Adjustment on currency translation | (48) |
Charged/(credited) to profit: |  |
– increases to existing and new provisions | 91 |
– unused amounts reversed | 0 |
Utilised in year | (75) |
Remeasurement (gains)/losses recognised in other comprehensive income | (94) |
Transfers and other movements | 0 |
Provisions, ending balance | 1,063 | 1,189
Balance sheet analysis: |  |
Current | 68 |
Non-current | 995 |
Total | 1,063 | 1,189
Other employee entitlements |  |
Disclosure of other provisions [Line Items] |  |
Provisions, beginning balance | 369 |
Adjustment on currency translation | (35) |
Charged/(credited) to profit: |  |
– increases to existing and new provisions | 108 |
– unused amounts reversed | (12) |
Utilised in year | (58) |
Remeasurement (gains)/losses recognised in other comprehensive income | 0 |
Transfers and other movements | 21 |
Provisions, ending balance | 393 | 369
Balance sheet analysis: |  |
Current | 291 |
Non-current | 102 |
Total | 393 | 369
Provision for long service leave | 313 | 296
Provision for redundancy and severance payments | $ 24 | $ 17

X
- 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 2024-01-01 -Paragraph 54 -Subparagraph l -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_l&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_CurrentProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfOtherProvisionsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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 2024-01-01 -Paragraph 84 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2024-en-r&anchor=para_84&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesOtherProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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 2024-01-01 -Paragraph 54 -Subparagraph l -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_l&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_NoncurrentProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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 2024-01-01 -Paragraph 84 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2024-en-r&anchor=para_84_c&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_ProvisionUsedOtherProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of liabilities of uncertain timing or amount, including provisions for employee benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph l -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_l&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_Provisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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 2024-01-01 -Paragraph 84 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2024-en-r&anchor=para_84_d&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_UnusedProvisionReversedOtherProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Actuarial losses gains recognised in equity. + References No definition available. + Details
Name: | rio_ActuarialLossesGainsRecognisedInEquity
Namespace Prefix: | rio_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Adjustment on currency translation. + References No definition available. + Details
Name: | rio_AdjustmentOnCurrencyTranslation
Namespace Prefix: | rio_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Balance sheet analysis abstract. + References No definition available. + Details
Name: | rio_BalanceSheetAnalysisAbstract
Namespace Prefix: | rio_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Charged credited to profit abstract. + References No definition available. + Details
Name: | rio_ChargedCreditedToProfitAbstract
Namespace Prefix: | rio_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase in new and existing provisions. + References No definition available. + Details
Name: | rio_IncreaseInNewAndExistingProvisions
Namespace Prefix: | rio_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Provision for long service leave. + References No definition available. + Details
Name: | rio_ProvisionForLongServiceLeave
Namespace Prefix: | rio_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Provision for redundancy and severance payments. + References No definition available. + Details
Name: | rio_ProvisionForRedundancyAndSeverancePayments
Namespace Prefix: | rio_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfProvisionsAxis=rio_PensionsAndPostRetirementHealthCareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfProvisionsAxis=rio_OtherEmployeeEntitlementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |