v3.26.1
Financial and capital risk management (Details 5)
$ in Millions
Jun. 30, 2026
USD ($)
Depreciation [Member] | Risk Depreciation Price [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities $ 737
Depreciation [Member] | Risk Depreciation Price [Member] | Sensitivity Scenario I [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities (1,005)
Depreciation [Member] | Risk Depreciation Price [Member] | Sensitivity Scenario II [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities (2,834)
Interest Rate [Member] | Interest Rate Inside Brazil Decrease [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities 737
Interest Rate [Member] | Interest Rate Inside Brazil Decrease [Member] | Sensitivity Scenario I [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities 522
Interest Rate [Member] | Interest Rate Inside Brazil Decrease [Member] | Sensitivity Scenario II [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities 276
Interest Rate [Member] | Brazilian Interest Rate Increase [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities 737
Interest Rate [Member] | Brazilian Interest Rate Increase [Member] | Sensitivity Scenario I [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities 46
Interest Rate [Member] | Brazilian Interest Rate Increase [Member] | Sensitivity Scenario II [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities (520)
T J L P Interest Rate [Member] | T J L P Interest Rate Increase [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities 737
T J L P Interest Rate [Member] | T J L P Interest Rate Increase [Member] | Sensitivity Scenario I [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities 738
T J L P Interest Rate [Member] | T J L P Interest Rate Increase [Member] | Sensitivity Scenario II [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities 738
I P C A Index [Member] | I P C A Index Decrease [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities 737
I P C A Index [Member] | I P C A Index Decrease [Member] | Sensitivity Scenario I [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities 550
I P C A Index [Member] | I P C A Index Decrease [Member] | Sensitivity Scenario II [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities 377
S O F R Interest Rate [Member] | S O F R Interest Rate Decrease [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities 737
S O F R Interest Rate [Member] | S O F R Interest Rate Decrease [Member] | Sensitivity Scenario I [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities 716
S O F R Interest Rate [Member] | S O F R Interest Rate Decrease [Member] | Sensitivity Scenario II [Member]  
IfrsStatementLineItems [Line Items]  
Fair value of liabilities $ 693