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Provision for de-characterization of dam structures and asset retirement obligations (Tables) | 12 Months Ended
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Dec. 31, 2023
Provision For De-characterization Of Dam Structures And Asset Retirement Obligations |
Schedule of changes in the provisions, de-characterization of dam structures located in Brazil |
Schedule of changes in the provisions, de-characterization of dam structures located in Brazil |
| Total
Balance as of December 31, 2021 | 3,464
Revision to estimates and new provisions | 72
Disbursements | (347)
Monetary and present value adjustments | (139)
Translation adjustment | 249
Balance as of December 31, 2022 | 3,299
Revision to estimates and new provisions | 153
Disbursements | (458)
Monetary and present value adjustments | 199
Translation adjustment | 258
Balance as of December 31, 2023 | 3,451
Schedule of changes in the provision of asset retirement obligations and environmental obligations |
Schedule of changes in the provision of asset retirement obligations and environmental obligations |  |  |  |  |  |  |
|  | Liability |  | Discount rate | Cash flow maturity
| Notes | December 31, 2023 | December 31, 2022 | December 31, 2023 | December 31, 2022 | December 31, 2023 | December 31, 2022
Liability by geographical area |  |  |  |  |  |  |
Brazil |  | 2,415 | 1,863 | 5.47% | 6.20% | 2132 | 2096
Canada |  | 1,592 | 1,683 | 1.30% | 1.11% | 2150 | 2151
Oman |  | 158 | 114 | 3.19% | 3.90% | 2035 | 2035
Indonesia | 16(b) | - | 73 | - | 4.33% | - | 2061
Other regions |  | 114 | 149 | 2.04% | 1.92% | - | -
|  | 4,279 | 3,882 |  |  |  |
Operating plants |  | 3,155 | 2,971 |  |  |  |
Closed plants |  | 1,124 | 911 |  |  |  |
|  | 4,279 | 3,882 |  |  |  |
Schedule of provision changes during the year |
Schedule of provision changes during the year |  |  |
| Asset retirement obligations | Environmental obligations | Total
Balance on December 31, 2021 | 4,342 | 297 | 4,639
Disbursements | (101) | (26) | (127)
Revision to estimates and new provisions (i) | (684) | 46 | (638)
Transfer to assets held for sale | (49) | (2) | (51)
Monetary and present value adjustments | 78 | 7 | 85
Translation adjustment | (41) | 15 | (26)
Balance on December 31, 2022 | 3,545 | 337 | 3,882
Disbursements | (172) | (101) | (273)
Revision to estimates and new provisions | 206 | 219 | 425
Transfer to assets held for sale | (84) | - | (84)
Monetary and present value adjustments | 126 | 17 | 143
Translation adjustment | 158 | 28 | 186
Balance on December 31, 2023 | 3,779 | 500 | 4,279
(i) Among other factors, includes the reduction in liability of US$870, due to the update in the discount rate of the asset retirement obligation in Canada, which increased from 0.00% to 1.11% for the year ended December 31, 2022.

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