Financial and capital risk management (Details 8) - Embedded Call Options Sold [Member] $ in Millions	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
IfrsStatementLineItems [Line Items]
Nominal amount of hedging instrument	746,667	746,667
Fair value of liabilities	$ (1)	$ (2)
Not later than one year [member]
IfrsStatementLineItems [Line Items]
Value at risk	$ (1)

The nominal amount of a hedging instrument. [Refer: Hedging instruments [domain]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 23B
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_23B_a&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 24A
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_24A_d&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_NominalAmountOfHedgingInstrument
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant