v3.26.3
Net finance income (expense) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Notes and other explanatory information [abstract]        
Finance income $ 382 $ 345 $ 716 $ 642
Income from financial investments and Government Bonds 270 225 488 448
Other finance income 112 120 228 194
Finance expenses (1,049) (1,065) (2,034) (2,048)
Interest on finance debt (583) (517) (1,136) (983)
Unwinding of discount on lease liability (736) (653) (1,413) (1,275)
Capitalized borrowing costs 725 467 1,350 916
Unwinding of discount on the provision for decommissioning costs (351) (329) (691) (648)
Other finance expenses (104) (33) (144) (58)
Foreign exchange gains (losses) and inflation indexation charges 379 1,735 2,497 4,169
Foreign exchange gains (losses) (1) 371 2,032 2,721 5,068
Real x U.S. dollar 373 2,141 2,684 5,218
Other currencies (2) (109) 37 (150)
Reclassification of hedge accounting to the Statement of Income (1) (197) (498) (704) (1,220)
Indexation to the Selic interest rate of anticipated dividends and dividends payable (95) (87) (152) (151)
Recoverable taxes inflation indexation income   74 101 99 159
Other foreign exchange gains and indexation charges, net 226 187 533 313
Total $ (288) $ 1,015 $ 1,179 $ 2,763