v3.26.3
Cash, cash equivalents and restricted cash (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Jun. 30, 2026
Sep. 30, 2025
Jun. 30, 2025
Cash and Cash Equivalents [Abstract]        
Cash and cash equivalents $ 3,522 $ 5,896    
Restricted cash — current 2,208 1,670    
Restricted cash — non-current 48 54    
Total cash, cash equivalents and restricted cash $ 5,778 $ 7,620 $ 1,033 $ 565