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Acquisitions and divestitures (Details Narrative) shares in Millions, R$ in Millions, $ in Millions | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Nov. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | Jul. 31, 2022 USD ($) | Dec. 21, 2021 USD ($) | Jun. 22, 2021 USD ($) | Jun. 22, 2021 BRL (R$) | Dec. 31, 2023 USD ($) shares | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Jan. 31, 2022 USD ($) | Dec. 31, 2020 USD ($)
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash contributions |  |  |  |  |  |  | $ 157.5 |  |  |  |
Equity |  |  |  |  |  |  | 40,981.0 | $ 37,358.0 | $ 35,306.0 |  | $ 34,821.0
Closing transaction | $ 72.0 |  |  |  |  |  |  |  |  |  |
Realized loss during the period |  |  |  |  |  |  | 87.0 |  |  |  |
Acquired the minority interest |  |  |  |  |  |  | 130.0 |  |  |  |
Realized gain during the acquisitions |  |  |  |  |  |  | 3.0 |  |  |  |
Net debt |  |  |  |  |  |  | 9,560.0 | 7,915.0 |  |  |
Realized gain recorded on equity results |  |  |  |  |  |  | 31.0 |  |  |  |
Gain from disposals of non-current assets |  |  |  |  |  |  | 1,121.0 |  |  |  |
Non-current assets net |  |  |  |  |  |  | 214.0 |  |  |  |
Property, plant and equipment |  |  |  |  |  |  | 916.0 |  |  |  |
Working capital adjustments |  |  |  |  |  |  | 9.0 |  |  |  |
Reclassification adjustments on exchange differences on translation, net of tax |  |  | $ 140.0 |  |  |  |  | 4,830.0 | 4,749.0 |  |
Gain on exchange differences on translation, net of tax |  |  | 37.0 |  |  |  |  |  |  |  |
Number of shares sold during investments | shares |  |  |  |  |  |  | 34.2 |  |  |  |
Value of shares received from sale of investments |  |  |  |  |  |  | $ 1,259.0 |  |  |  |
Other reserves to retained earnings |  |  |  |  |  |  | 522.0 |  |  |  |
Vale Shipping Holding [Member] |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |
Recognized gain during the period |  |  |  |  |  |  |  |  | 771.0 |  |
Vale Nouvelle Caledonie S. A. S. [Member] |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |
Non-current assets net |  |  |  |  |  |  |  | 98.0 |  |  |
Reclassification adjustments on exchange differences on translation, net of tax |  |  |  |  |  |  | 1,132.0 |  |  |  |
Ferroalloys [Member] |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash transferred |  |  |  |  |  |  |  |  | 25.0 | $ 40.0 |
Sale of the assets |  |  |  |  |  |  |  | 11.0 |  |  |
Impairment loss |  |  |  |  |  |  |  | 10.0 | $ 10.0 |  |
Discontinued operations [member] |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gain from disposals of non-current assets |  |  |  |  |  |  |  | $ 2,511.0 |  |  |
Arcelor Mittal Brasil S A [Member] |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |
Investment |  |  | 111.0 |  |  |  |  |  |  |  |
Accounts receivable |  |  | $ 24.0 |  |  |  |  |  |  |  |
Sale of interest |  | $ 1,082.0 |  |  |  |  |  |  |  |  |
Net debt |  | $ 1,149.0 |  |  |  |  |  |  |  |  |
Vale Mocambique [Member] | Discontinued operations [member] |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of voting interest acquired |  |  |  |  | 15.00% |  |  |  |  |  |
Loss due to negative reserves |  |  |  |  | $ 331.0 | R$ 1,666 |  |  |  |  |
Ownership interest in subsidiary (as a percent) |  |  |  |  | 95.00% | 95.00% |  |  |  |  |
Nacala Corridor Holding [Member] | Discontinued operations [member] |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment |  |  |  |  |  |  | 441.0 |  |  |  |
Cash transferred |  |  |  |  | $ 2,517.0 |  |  |  |  |  |
Percentage of voting interest acquired |  |  |  |  | 50.00% |  |  |  |  |  |
Settlement of loans with third parties |  |  |  |  | $ 2,517.0 |  |  |  |  |  |
Loss on pre-existing relationship |  |  |  |  | $ 771.0 |  |  |  |  |  |
V B M [Member] |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity |  |  |  |  |  |  | $ 3,400.0 |  |  |  |
Nucor Corporation [Member] | Discontinued operations [member] | California Steel Industries Inc [Member] |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proportion of voting rights held in joint venture |  |  |  |  |  |  | 50.00% |  |  |  |
Nucor Corporation [Member] | Discontinued operations [member] | Disposal Of Joint Venture [Member] |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash flows from losing control of subsidiaries or other businesses, classified as investing activities |  |  |  |  |  |  | $ 437.0 |  |  |  |
Recognized gain during the period |  |  |  |  |  |  | 292.0 |  |  |  |
Gains on disposals of investments |  |  |  |  |  |  | 142.0 |  |  |  |
Reclassification due |  |  |  |  |  |  | 150.0 |  |  |  |
Vulcan Minerals [Member] | Discontinued operations [member] |  |  |  |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |  |  |  |
Working capital adjustments |  |  |  |  |  |  | 589.0 |  |  |  |
Reclassification adjustments on exchange differences on translation, net of tax |  |  |  |  |  |  | 3,072.0 |  |  |  |
Receivable from coal net assets |  |  |  | $ 270.0 |  |  |  |  |  |  |
Royalty consideration, term |  |  |  | 10 years |  |  |  |  |  |  |
Net income from discontinued operations |  |  |  |  |  |  | 2,060.0 |  |  |  |
Derecognition of noncontrolling interest |  |  |  |  |  |  | $ 585.0 |  |  |  |

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