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Related-party transactions (Tables)
12 Months Ended
Dec. 31, 2025
Related party transactions [abstract]  
Summary of transactions and balances with equity accounted units Transactions and balances with equity accounted units are summarised below. Purchases, trade and other receivables, and trade and other
payables, relate largely to amounts charged by equity accounted units for toll processing of alumina and purchasing of bauxite and
aluminium. Sales relate largely to sales of alumina to equity accounted units for smelting into aluminium.
2025
US$m
2024
US$m
2023
US$m
Income statement items
Purchases from equity accounted units
(1,029)
(874)
(1,163)
Sales to equity accounted units
1,062
684
349
Cash flow statement items
Dividends from equity accounted units
1,070
1,067
610
Net funding of equity accounted units
(669)
(784)
(144)
Balance sheet items
Investments in equity accounted units(a)
5,881
4,837
4,407
Loans to equity accounted units(b)
842
534
Loans related to equity accounted units
100
Trade and other receivables: related to equity accounted units(c)
318
221
189
Trade and other payables: related to equity accounted units
(266)
(209)
(206)
(a)Investments in equity accounted units include quasi-equity loans. Further information about investments in equity accounted units is set out in note 33.
(b)Relates to funding of WCS Rail and Port Holding Entities. In 2024, this also includes the initial amounts advanced as part of the acquisition of these EAUs.
(c)This includes prepayments of tolling charges.