Climate-related financial information (Details Narrative) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
IfrsStatementLineItems [Line Items]
Property, plant and equipment	$ 39,984	$ 48,396	$ 44,938
Research and development expenses	790	723	660
Venture investments	52	43
Gelado Project [Member]
IfrsStatementLineItems [Line Items]
Fixed assets	308	390
Sustainable Sand [Member]
IfrsStatementLineItems [Line Items]
Research and development expenses	1	1	0
Energy Transition Metals Segment [Member]
IfrsStatementLineItems [Line Items]
Carbon tax expenses	11	2	$ 1
Iron Ore Briquette [Member]
IfrsStatementLineItems [Line Items]
Property, plant and equipment	$ 257	$ 259

The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. Note that right-of-use assets are not included. [Contrast: Property, plant and equipment including right-of-use assets]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2024-01-01
-Paragraph 73
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 54
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_a&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_PropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant