XML 57 R50.htm IDEA: XBRL DOCUMENT
v3.23.2

Commitments and contingencies (Details) - USD ($) $ in Millions | Mar. 06, 2023 | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Other Disclosures [Line Items] |  |  |
Contingent liabilities indemnities and other performance guarantees |  | $ 486.0 | $ 498.0
Capital commitments |  | 3,743.0 | 3,354.0
Contractual capital commitments |  | 1,300.0 | 1,000.0
Decarbonisation projects |  |  |
Other Disclosures [Line Items] |  |  |
Capital commitments |  | 7,500.0 |
Joint ventures |  |  |
Other Disclosures [Line Items] |  |  |
Capital commitments |  | $ 13.0 | $ 15.0
Rio Tinto Finance Usa Limited And Rio Tinto Finance Usa Plc | Contingent liabilities related to joint ventures [member] |  |  |
Other Disclosures [Line Items] |  |  |
Contractual payments | $ 10.5 |  |
Penalty paid | $ 15.0 |  |

X
- Definition The amount of future capital expenditures that the entity is committed to make. + 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
Name: | ifrs-full_CapitalCommitments
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of the estimated financial effect of contingent liabilities. [Refer: Contingent liabilities [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2023-01-01 -Paragraph 86 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_86_a&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_EstimatedFinancialEffectOfContingentLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual payments. + References No definition available. + Details
Name: | rio_ContractualPayments
Namespace Prefix: | rio_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Enforceable contractual capital commitments. + References No definition available. + Details
Name: | rio_EnforceableContractualCapitalCommitments
Namespace Prefix: | rio_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Other disclosures. + References No definition available. + Details
Name: | rio_OtherDisclosuresLineItems
Namespace Prefix: | rio_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Penalty Paid + References No definition available. + Details
Name: | rio_PenaltyPaid
Namespace Prefix: | rio_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | rio_CommitmentsAxis=rio_DecarbonisationProjectsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointVenturesAxis=ifrs-full_JointVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointVenturesAxis=rio_RioTintoFinanceUsaLimitedAndRioTintoFinanceUsaPlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfContingentLiabilitiesAxis=ifrs-full_ContingentLiabilitiesOfJointVentureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |