Exchange rates

12 Months Ended

Dec. 31, 2024

Disclosure [Abstract]

Exchange rates

1. Exchange rates

			2024				2023				2022
$1 equivalent	Average		Closing		Average		Closing		Average		Closing
Sterling		£0.78		£0.80		£0.80		£0.78		£0.81		£0.83
Euro		€0.92		€0.96		€0.92		€0.90		€0.95		€0.94