v3.26.3
Finance Income (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Disclosure of detailed information about financial instruments [line items]        
Net foreign exchange gain arising from financing - unrealized $ 53.2 $ 71.4 $ 163.8 $ 100.0
Interest income - bank deposits 14.7 9.8 37.3 26.3
Other interest income 2.9   10.8  
Fair value gain on embedded options   30.6   34.9
Change in fair value of foreign exchange swaps   10.2   10.4
Fair value gain on non-deliverable forwards     6.5  
Total Finance income 70.8 $ 122.0 $ 218.4 $ 171.6
Vendor loan notes issued on disposal of subsidiaries | Rwanda, Rwanda Francs        
Disclosure of detailed information about financial instruments [line items]        
Repayable term     2 years  
Interest rate     12.00%  
Notional amount 70.0   $ 70.0  
Vendor loan notes issued on disposal of subsidiaries | United States of America, Dollars        
Disclosure of detailed information about financial instruments [line items]        
Repayable term     3 years  
Notional amount $ 24.5   $ 24.5