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Inventories (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |  |
Finished products |  | $ 3,276 | $ 2,777
Work in progress |  | 901 | 800
Consumable inventory |  | 1,157 | 1,010
Allowance to net realizable value (i) | [1] | (141) | (105)
Total of inventories |  | 5,193 | 4,482
Iron Solutions [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Finished products |  | 2,638 | 2,126
Energy Transition Materials [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Finished products |  | $ 638 | $ 651
[1] | In the six-month period ended June 30, 2023, the effect of allowance to net realizable value was US$47 (2022: US$22).

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- Definition A classification of current inventory representing the amount of goods that have completed the production process and are held for sale in the ordinary course of business. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 2 -IssueDate 2023-01-01 -Paragraph 37 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2023-en-r&anchor=para_37&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 78 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78_c&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition A classification of current inventory representing the amount of assets currently in production, which require further processes to be converted into finished goods or services. [Refer: Current finished goods; Inventories] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 2 -IssueDate 2023-01-01 -Paragraph 37 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2023-en-r&anchor=para_37&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 78 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78_c&doctype=Standard -URIDate 2023-03-23 + Details
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