XML 527 R144.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Net debt - Summary by currency, group's net debt, after taking into account relevant cross currency interest rate swaps and foreign exchange contracts (Detail) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Disclosure of detailed information about financial instruments [line items] |  |  |
Borrowings excluding overdrafts | $ (12,442) | $ (13,001) |
Lease liabilities | (1,413) | (1,351) |
Cash and cash equivalents | 8,495 | 9,673 |
Other investments | 609 | 1,277 |
Net debt | (5,491) | (4,231) | $ (4,188)
Foreign exchange risk |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Borrowings excluding overdrafts | (12,431) |  |
Lease liabilities | (1,413) |  |
Derivatives related to net debt | (343) |  |
Cash and cash equivalents | 8,484 |  |
Other investments | 212 |  |
Net debt | (5,491) | (4,231) |
Foreign exchange risk | US dollar |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Borrowings excluding overdrafts | (12,181) |  |
Lease liabilities | (539) |  |
Derivatives related to net debt | (343) |  |
Cash and cash equivalents | 7,108 |  |
Other investments | 212 |  |
Net debt | (5,743) | (4,033) |
Foreign exchange risk | Australian dollar |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Borrowings excluding overdrafts | (92) |  |
Lease liabilities | (501) |  |
Derivatives related to net debt | 0 |  |
Cash and cash equivalents | 721 |  |
Other investments | 0 |  |
Net debt | 128 | (186) |
Foreign exchange risk | Canadian dollar |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Borrowings excluding overdrafts | (158) |  |
Lease liabilities | (158) |  |
Derivatives related to net debt | 0 |  |
Cash and cash equivalents | 81 |  |
Other investments | 0 |  |
Net debt | (235) | (247) |
Foreign exchange risk | South African rand |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Borrowings excluding overdrafts | 0 |  |
Lease liabilities | (2) |  |
Derivatives related to net debt | 0 |  |
Cash and cash equivalents | 167 |  |
Other investments | 0 |  |
Net debt | 165 | 130 |
Foreign exchange risk | Other |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Borrowings excluding overdrafts | 0 |  |
Lease liabilities | (213) |  |
Derivatives related to net debt | 0 |  |
Cash and cash equivalents | 407 |  |
Other investments | 0 |  |
Net debt | $ 194 | $ 105 |

X
- Definition The amount of outstanding funds that the entity is obligated to repay. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_Borrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2024-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_45&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph B13 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_i&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_CashAndCashEquivalents
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_DisclosureOfFinancialInstrumentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_47_b&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_LeaseLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of net debt of the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_NetDebt
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Derivative financial liabilities related to net debt. + References No definition available. + Details
Name: | rio_DerivativeFinancialLiabilitiesRelatedToNetDebt
Namespace Prefix: | rio_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_CurrencyRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_USD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_AUD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_CAD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_ZAR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=srt_OtherCurrencyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |