Finance debt (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
IfrsStatementLineItems [Line Items]
Borrowings	$ 25,834	$ 26,441
Current portion of non-current borrowings	1,435	2,186
Non-current portion of non-current borrowings	24,399	24,255
Country Of Brazil [Member]
IfrsStatementLineItems [Line Items]
Borrowings	8,954	8,066
Foreign countries [member]
IfrsStatementLineItems [Line Items]
Borrowings	16,880	18,375
Banking Market [Member] \| Country Of Brazil [Member]
IfrsStatementLineItems [Line Items]
Borrowings	5,403	4,514
Banking Market [Member] \| Foreign countries [member]
IfrsStatementLineItems [Line Items]
Borrowings	1,890	3,081
Capital Market [Member] \| Country Of Brazil [Member]
IfrsStatementLineItems [Line Items]
Borrowings	3,007	3,017
Capital Market [Member] \| Foreign countries [member]
IfrsStatementLineItems [Line Items]
Borrowings	13,257	13,983
Development Banks [Member] \| Country Of Brazil [Member]
IfrsStatementLineItems [Line Items]
Borrowings	544	532
Other Debt [Member] \| Country Of Brazil [Member]
IfrsStatementLineItems [Line Items]
Borrowings		3
Other Debt [Member] \| Foreign countries [member]
IfrsStatementLineItems [Line Items]
Borrowings	110	122
Export Credit Agencies [Member] \| Foreign countries [member]
IfrsStatementLineItems [Line Items]
Borrowings	$ 1,623	$ 1,189

The amount of outstanding funds that the entity is obligated to repay.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard
-URIDate 2025-03-27

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- Definition

The amount of current borrowings and current portion of non-current borrowings. [Refer: Borrowings]

+ References

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- Definition

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+ References

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- References

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