v3.25.2
Interest expense (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Other Income and Expenses [Abstract]        
Interest expense $ 64 $ 142 $ 121 $ 280
(Gain) loss on hedge instruments (19) (25) (38) (50)
Finance lease liabilities interest 22 23 46 46
Amortization of deferred financing costs and discount on debt 3 6 6 11
Capitalized interest (4) (2) (7) (4)
Interest income (2) (1) (4) (2)
Other financing fees 3 5 3 6
Interest expense, net 67 $ 148 127 $ 287
Interest expense, preference shares liability $ 4   $ 7