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v3.23.3

Provision for de-characterization of dam structures and asset retirement obligations - Asset retirement obligations and environmental obligations (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
IfrsStatementLineItems [Line Items] |  |
Other provisions | $ 4,024 | $ 3,803
Provision For Decommissioning Restoration And Rehabilitation Costs And Environmental Provisions [Member] | Country Brazil [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other provisions | $ 2,035 | $ 1,788
Discount rate | 5.46% | 6.20%
Cash flow maturity | 2096 | 2096
Provision For Decommissioning Restoration And Rehabilitation Costs And Environmental Provisions [Member] | Country Canada [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other provisions | $ 1,649 | $ 1,683
Discount rate |  | 1.11%
Cash flow maturity | 2151 | 2148
Provision For Decommissioning Restoration And Rehabilitation Costs And Environmental Provisions [Member] | Country Canada [Member] | Bottom of range [member] |  |
IfrsStatementLineItems [Line Items] |  |
Discount rate | 1.35% |
Provision For Decommissioning Restoration And Rehabilitation Costs And Environmental Provisions [Member] | Country Canada [Member] | Top of range [member] |  |
IfrsStatementLineItems [Line Items] |  |
Discount rate | 1.61% |
Provision For Decommissioning Restoration And Rehabilitation Costs And Environmental Provisions [Member] | Country Oman [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other provisions | $ 114 | $ 114
Discount rate | 3.25% | 3.90%
Cash flow maturity | 2035 | 2035
Provision For Decommissioning Restoration And Rehabilitation Costs And Environmental Provisions [Member] | Country Indonesia [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other provisions | $ 87 | $ 73
Discount rate | 3.76% | 4.33%
Cash flow maturity | 2062 | 2061
Provision For Decommissioning Restoration And Rehabilitation Costs And Environmental Provisions [Member] | Other Regions [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Other provisions | $ 139 | $ 145
Provision For Decommissioning Restoration And Rehabilitation Costs And Environmental Provisions [Member] | Other Regions [Member] | Bottom of range [member] |  |
IfrsStatementLineItems [Line Items] |  |
Discount rate | 1.70% | 1.84%
Provision For Decommissioning Restoration And Rehabilitation Costs And Environmental Provisions [Member] | Other Regions [Member] | Top of range [member] |  |
IfrsStatementLineItems [Line Items] |  |
Discount rate | 2.45% | 2.00%

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