XML 394 R9999.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Label | Element | Value
--- | --- | ---
Restated Opening Equity Balance After Adjustment For New Accounting Standards | rio_RestatedOpeningEquityBalanceAfterAdjustmentForNewAccountingStandards | $ 50,946,000,000 |
Restated Opening Equity Balance After Adjustment For New Accounting Standards | rio_RestatedOpeningEquityBalanceAfterAdjustmentForNewAccountingStandards | 49,708,000,000 |
Adjustment For Transition To New Accounting Standards | rio_AdjustmentForTransitionToNewAccountingStandards | (169,000,000) |
Adjustment For Transition To New Accounting Standards | rio_AdjustmentForTransitionToNewAccountingStandards | 115,000,000 | [1]
Retained earnings [member] |  |  |
Restated Opening Equity Balance After Adjustment For New Accounting Standards | rio_RestatedOpeningEquityBalanceAfterAdjustmentForNewAccountingStandards | 23,582,000,000 |
Restated Opening Equity Balance After Adjustment For New Accounting Standards | rio_RestatedOpeningEquityBalanceAfterAdjustmentForNewAccountingStandards | 26,912,000,000 |
Adjustment For Transition To New Accounting Standards | rio_AdjustmentForTransitionToNewAccountingStandards | (179,000,000) |
Adjustment For Transition To New Accounting Standards | rio_AdjustmentForTransitionToNewAccountingStandards | 113,000,000 | [1]
Other reserves [member] |  |  |
Restated Opening Equity Balance After Adjustment For New Accounting Standards | rio_RestatedOpeningEquityBalanceAfterAdjustmentForNewAccountingStandards | 12,294,000,000 |
Restated Opening Equity Balance After Adjustment For New Accounting Standards | rio_RestatedOpeningEquityBalanceAfterAdjustmentForNewAccountingStandards | 8,661,000,000 |
Adjustment For Transition To New Accounting Standards | rio_AdjustmentForTransitionToNewAccountingStandards | 10,000,000 |
Issued capital [member] |  |  |
Restated Opening Equity Balance After Adjustment For New Accounting Standards | rio_RestatedOpeningEquityBalanceAfterAdjustmentForNewAccountingStandards | 4,360,000,000 |
Restated Opening Equity Balance After Adjustment For New Accounting Standards | rio_RestatedOpeningEquityBalanceAfterAdjustmentForNewAccountingStandards | 3,688,000,000 |
Non-controlling interests [member] |  |  |
Restated Opening Equity Balance After Adjustment For New Accounting Standards | rio_RestatedOpeningEquityBalanceAfterAdjustmentForNewAccountingStandards | 6,404,000,000 |
Restated Opening Equity Balance After Adjustment For New Accounting Standards | rio_RestatedOpeningEquityBalanceAfterAdjustmentForNewAccountingStandards | 6,135,000,000 |
Adjustment For Transition To New Accounting Standards | rio_AdjustmentForTransitionToNewAccountingStandards | 2,000,000 | [1]
Share premium [member] |  |  |
Restated Opening Equity Balance After Adjustment For New Accounting Standards | rio_RestatedOpeningEquityBalanceAfterAdjustmentForNewAccountingStandards | 4,306,000,000 |
Restated Opening Equity Balance After Adjustment For New Accounting Standards | rio_RestatedOpeningEquityBalanceAfterAdjustmentForNewAccountingStandards | 4,312,000,000 |
Equity attributable to owners of parent [member] |  |  |
Restated Opening Equity Balance After Adjustment For New Accounting Standards | rio_RestatedOpeningEquityBalanceAfterAdjustmentForNewAccountingStandards | 44,542,000,000 |
Restated Opening Equity Balance After Adjustment For New Accounting Standards | rio_RestatedOpeningEquityBalanceAfterAdjustmentForNewAccountingStandards | 43,573,000,000 |
Adjustment For Transition To New Accounting Standards | rio_AdjustmentForTransitionToNewAccountingStandards | (169,000,000) |
Adjustment For Transition To New Accounting Standards | rio_AdjustmentForTransitionToNewAccountingStandards | $ 113,000,000 | [1]
Subsidiaries And Joint Operations [Member] |  |  |
Percentage Of Employees Of Subsidiary Companies | rio_PercentageOfEmployeesOfSubsidiaryCompanies | 100.00% |
[1] | The impact of the transition to new accounting pronouncements; IFRS 16 “Leases” and IFRIC 23 "Uncertainty over income tax treatments" on 1 January 2019 is discussed in note 45.

X
- Definition Adjustment for transition to new accounting standards. + References No definition available. + Details
Name: | rio_AdjustmentForTransitionToNewAccountingStandards
Namespace Prefix: | rio_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage of employees of subsidiary companies. + References No definition available. + Details
Name: | rio_PercentageOfEmployeesOfSubsidiaryCompanies
Namespace Prefix: | rio_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Restated opening equity balance after adjustment for new accounting standards. + References No definition available. + Details
Name: | rio_RestatedOpeningEquityBalanceAfterAdjustmentForNewAccountingStandards
Namespace Prefix: | rio_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_RetainedEarningsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_OtherReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_IssuedCapitalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_NoncontrollingInterestsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_SharePremiumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_EquityAttributableToOwnersOfParentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=rio_SubsidiariesAndJointOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |