v3.25.4
Net borrowings - Schedule of net borrowings (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
Borrowings [abstract]        
Borrowings due within one year and bank overdrafts $ (3,303) $ (2,928) $ (2,496)  
Borrowings due after one year (20,209) (20,820) (19,224)  
Fair value of foreign currency forwards and swaps 492 557 309  
Fair value of interest rate hedging instruments (174) (210) (298)  
Lease liabilities (687) (653) (623)  
Gross borrowings (23,881) (24,054) (22,332)  
Cash and cash equivalents 2,209 2,200 1,656  
Net borrowings $ (21,672) $ (21,854) $ (20,676) $ (21,017)