v3.26.3
Finance debt (Details 4) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
IfrsStatementLineItems [Line Items]    
Borrowings $ 25,834 $ 26,441
Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Borrowings 872  
Not later than one year [member] | Finance Debt Total [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 1,112  
Not later than one year [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 221  
Not later than one year [member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 16  
Not later than one year [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings $ 3  
Not later than one year [member] | Weighted average [member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 6.60%  
Not later than one year [member] | Weighted average [member] | Finance Debt Total [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 7.60%  
Not later than one year [member] | Weighted average [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 10.30%  
Not later than one year [member] | Weighted average [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 0.00%  
Not later than one year [member] | Weighted average [member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 6.20%  
Not later than one year [member] | Weighted average [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 3.10%  
Not later than one year [member] | Floating interest rate [member]    
IfrsStatementLineItems [Line Items]    
Borrowings $ 609  
Not later than one year [member] | Floating interest rate [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 183  
Not later than one year [member] | Floating interest rate [member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 16  
Not later than one year [member] | Floating interest rate [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 3  
Not later than one year [member] | Fixed interest rate [member]    
IfrsStatementLineItems [Line Items]    
Borrowings 263  
Not later than one year [member] | Fixed interest rate [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 38  
Later than one year and not later than two years [member]    
IfrsStatementLineItems [Line Items]    
Borrowings 270  
Later than one year and not later than two years [member] | Finance Debt Total [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 503  
Later than one year and not later than two years [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 203  
Later than one year and not later than two years [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 8  
Later than one year and not later than two years [member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 17  
Later than one year and not later than two years [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings $ 5  
Later than one year and not later than two years [member] | Weighted average [member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 6.10%  
Later than one year and not later than two years [member] | Weighted average [member] | Finance Debt Total [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 7.20%  
Later than one year and not later than two years [member] | Weighted average [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 10.10%  
Later than one year and not later than two years [member] | Weighted average [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 4.60%  
Later than one year and not later than two years [member] | Weighted average [member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 6.10%  
Later than one year and not later than two years [member] | Weighted average [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 3.10%  
Later than one year and not later than two years [member] | Floating interest rate [member]    
IfrsStatementLineItems [Line Items]    
Borrowings $ 257  
Later than one year and not later than two years [member] | Floating interest rate [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 45  
Later than one year and not later than two years [member] | Floating interest rate [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 8  
Later than one year and not later than two years [member] | Floating interest rate [member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 17  
Later than one year and not later than two years [member] | Floating interest rate [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 5  
Later than one year and not later than two years [member] | Fixed interest rate [member]    
IfrsStatementLineItems [Line Items]    
Borrowings 13  
Later than one year and not later than two years [member] | Fixed interest rate [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 158  
Later than two years and not later than three years [member]    
IfrsStatementLineItems [Line Items]    
Borrowings $ 1,609  
Average interest rate 5.70%  
Later than two years and not later than three years [member] | Finance Debt Total [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings $ 1,866  
Later than two years and not later than three years [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 150  
Later than two years and not later than three years [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 102  
Later than two years and not later than three years [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings $ 5  
Average interest rate 3.10%  
Later than two years and not later than three years [member] | Weighted average [member] | Finance Debt Total [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 7.00%  
Later than two years and not later than three years [member] | Weighted average [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 10.20%  
Later than two years and not later than three years [member] | Weighted average [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 4.70%  
Later than two years and not later than three years [member] | Weighted average [member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 0.00%  
Later than two years and not later than three years [member] | Floating interest rate [member]    
IfrsStatementLineItems [Line Items]    
Borrowings $ 559  
Later than two years and not later than three years [member] | Floating interest rate [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 43  
Later than two years and not later than three years [member] | Floating interest rate [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 102  
Later than two years and not later than three years [member] | Floating interest rate [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 5  
Later than two years and not later than three years [member] | Fixed interest rate [member]    
IfrsStatementLineItems [Line Items]    
Borrowings 1,050  
Later than two years and not later than three years [member] | Fixed interest rate [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 107  
Later than three years and not later than four years [member]    
IfrsStatementLineItems [Line Items]    
Borrowings 732  
Later than three years and not later than four years [member] | Finance Debt Total [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 2,213  
Later than three years and not later than four years [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 1,061  
Later than three years and not later than four years [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 25  
Later than three years and not later than four years [member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 390  
Later than three years and not later than four years [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings $ 5  
Later than three years and not later than four years [member] | Weighted average [member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 6.10%  
Later than three years and not later than four years [member] | Weighted average [member] | Finance Debt Total [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 7.20%  
Later than three years and not later than four years [member] | Weighted average [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 10.20%  
Later than three years and not later than four years [member] | Weighted average [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 4.70%  
Later than three years and not later than four years [member] | Weighted average [member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 6.10%  
Later than three years and not later than four years [member] | Weighted average [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 3.20%  
Later than three years and not later than four years [member] | Floating interest rate [member]    
IfrsStatementLineItems [Line Items]    
Borrowings $ 180  
Later than three years and not later than four years [member] | Floating interest rate [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 43  
Later than three years and not later than four years [member] | Floating interest rate [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 25  
Later than three years and not later than four years [member] | Floating interest rate [member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 390  
Later than three years and not later than four years [member] | Floating interest rate [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 5  
Later than three years and not later than four years [member] | Fixed interest rate [member]    
IfrsStatementLineItems [Line Items]    
Borrowings 552  
Later than three years and not later than four years [member] | Fixed interest rate [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 1,018  
Later than four years and not later than five years [member]    
IfrsStatementLineItems [Line Items]    
Borrowings 2,079  
Later than four years and not later than five years [member] | Finance Debt Total [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 3,302  
Later than four years and not later than five years [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 681  
Later than four years and not later than five years [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 50  
Later than four years and not later than five years [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings $ 492  
Later than four years and not later than five years [member] | Weighted average [member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 6.10%  
Later than four years and not later than five years [member] | Weighted average [member] | Finance Debt Total [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 7.20%  
Later than four years and not later than five years [member] | Weighted average [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 10.60%  
Later than four years and not later than five years [member] | Weighted average [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 4.70%  
Later than four years and not later than five years [member] | Weighted average [member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 0.00%  
Later than four years and not later than five years [member] | Weighted average [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 3.10%  
Later than four years and not later than five years [member] | Floating interest rate [member]    
IfrsStatementLineItems [Line Items]    
Borrowings $ 740  
Later than four years and not later than five years [member] | Floating interest rate [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 568  
Later than four years and not later than five years [member] | Floating interest rate [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 50  
Later than four years and not later than five years [member] | Floating interest rate [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 492  
Later than four years and not later than five years [member] | Fixed interest rate [member]    
IfrsStatementLineItems [Line Items]    
Borrowings 1,339  
Later than four years and not later than five years [member] | Fixed interest rate [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 113  
Later than five years [member]    
IfrsStatementLineItems [Line Items]    
Borrowings 10,106  
Later than five years [member] | Finance Debt Total [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 16,838  
Later than five years [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 5,834  
Later than five years [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 351  
Later than five years [member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings $ 547  
Later than five years [member] | Weighted average [member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 6.60%  
Later than five years [member] | Weighted average [member] | Finance Debt Total [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 6.60%  
Later than five years [member] | Weighted average [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 8.20%  
Later than five years [member] | Weighted average [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 4.80%  
Later than five years [member] | Weighted average [member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 6.60%  
Later than five years [member] | Weighted average [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 0.00%  
Later than five years [member] | Floating interest rate [member]    
IfrsStatementLineItems [Line Items]    
Borrowings $ 1,452  
Later than five years [member] | Floating interest rate [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 5,338  
Later than five years [member] | Floating interest rate [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 351  
Later than five years [member] | Floating interest rate [member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 547  
Later than five years [member] | Fixed interest rate [member]    
IfrsStatementLineItems [Line Items]    
Borrowings 8,654  
Later than five years [member] | Fixed interest rate [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 496  
Total [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 15,668  
Total [Member] | Finance Debt Total [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 25,834  
Total [Member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 8,150  
Total [Member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 536  
Total [Member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 970  
Total [Member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings $ 510  
Total [Member] | Weighted average [member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 6.40%  
Total [Member] | Weighted average [member] | Finance Debt Total [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 6.80%  
Total [Member] | Weighted average [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 9.70%  
Total [Member] | Weighted average [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 4.70%  
Total [Member] | Weighted average [member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 6.30%  
Total [Member] | Weighted average [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Average interest rate 3.10%  
Total [Member] | Floating interest rate [member]    
IfrsStatementLineItems [Line Items]    
Borrowings $ 3,797  
Total [Member] | Floating interest rate [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 6,220  
Total [Member] | Floating interest rate [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 536  
Total [Member] | Floating interest rate [member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 970  
Total [Member] | Floating interest rate [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 510  
Total [Member] | Fixed interest rate [member]    
IfrsStatementLineItems [Line Items]    
Borrowings 11,871  
Total [Member] | Fixed interest rate [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 1,930  
At fair value [member]    
IfrsStatementLineItems [Line Items]    
Borrowings 15,559  
At fair value [member] | Finance Debt Total [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 25,382  
At fair value [member] | Currency Of B R L [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 7,790  
At fair value [member] | Currency Of E U R [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 545  
At fair value [member] | Currency Of G B P [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings 978  
At fair value [member] | Currency Of C N Y [Member]    
IfrsStatementLineItems [Line Items]    
Borrowings $ 510