Equity (Details)	Dec. 31, 2025 shares
IfrsStatementLineItems [Line Items]
Shares outstanding	4,268,780,153
Shares in treasury	270,227,427
Total issued shares	4,539,007,580
Ordinary shares [member]
IfrsStatementLineItems [Line Items]
Shares outstanding	4,268,780,141
Shares in treasury	270,227,427
Total issued shares	4,539,007,568
Previ [Member]
IfrsStatementLineItems [Line Items]
Shares outstanding	381,002,396
Previ [Member] \| Ordinary shares [member]
IfrsStatementLineItems [Line Items]
Shares outstanding	381,002,396
Mitsui Co. Ltd [Member]
IfrsStatementLineItems [Line Items]
Shares outstanding	286,347,055
Mitsui Co. Ltd [Member] \| Ordinary shares [member]
IfrsStatementLineItems [Line Items]
Shares outstanding	286,347,055
Blackrock Inc [Member]
IfrsStatementLineItems [Line Items]
Shares outstanding	267,178,371
Blackrock Inc [Member] \| Ordinary shares [member]
IfrsStatementLineItems [Line Items]
Shares outstanding	267,178,371
Shareholders With More Than 5 Of Total Capital [Member]
IfrsStatementLineItems [Line Items]
Shares outstanding	934,527,822
Shareholders With More Than 5 Of Total Capital [Member] \| Ordinary shares [member]
IfrsStatementLineItems [Line Items]
Shares outstanding	934,527,822
Free Floating [Member]
IfrsStatementLineItems [Line Items]
Shares outstanding	3,334,252,319
Free Floating [Member] \| Ordinary shares [member]
IfrsStatementLineItems [Line Items]
Shares outstanding	3,334,252,319
Golden Shares [Member]
IfrsStatementLineItems [Line Items]
Shares outstanding	12
Total issued shares	12
Golden Shares [Member] \| Preference shares [member]
IfrsStatementLineItems [Line Items]
Shares outstanding	12

The number of shares issued by the entity, for which full payment has been received.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 79
-Subparagraph a
-Clause ii
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-URIDate 2024-03-27

+ Details

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- Definition

The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 79
-Subparagraph a
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_79_a_iv&doctype=Standard
-URIDate 2024-03-27

+ Details

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- Definition

The number of shares in the entity held by the entity or by its subsidiaries or associates. [Refer: Total for all associates [member]; Total for all subsidiaries [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 79
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-Clause vi
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-URIDate 2024-03-27

+ Details

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- References

No definition available.

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