Share based compensation reserve - Reserve Summary (Details) $ / shares in Units, € in Millions, $ in Millions |
3 Months Ended | 6 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2025
EUR (€)
|
Jun. 30, 2025
USD ($)
$ / shares
|
Mar. 31, 2025
EUR (€)
|
Mar. 31, 2025
USD ($)
$ / shares
|
Jun. 30, 2024
EUR (€)
|
Jun. 30, 2024
USD ($)
$ / shares
|
Mar. 31, 2024
EUR (€)
|
Mar. 31, 2024
USD ($)
$ / shares
|
Jun. 30, 2025
EUR (€)
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2024
EUR (€)
|
Jun. 30, 2024
USD ($)
|
|
| Disclosure of terms and conditions of share-based payment arrangement [line items] | ||||||||||||
| Reserve of share-based payments | € 26.2 | € 26.2 | ||||||||||
| Reserve of share-based payments | € 13.2 | 13.2 | ||||||||||
| Disclosure of reserves within equity [line items] | ||||||||||||
| Dividends paid, ordinary shares | 23.1 | $ 25.9 | 25.3 | $ 26.2 | € 22.8 | $ 24.4 | € 22.3 | $ 24.4 | 48.4 | $ 52.1 | € 45.1 | $ 48.8 |
| Dividends paid, ordinary shares per share | $ / shares | $ 0.17 | $ 0.17 | $ 0.15 | $ 0.15 | ||||||||
| Share based compensation reserve | ||||||||||||
| Disclosure of terms and conditions of share-based payment arrangement [line items] | ||||||||||||
| Reserve of share-based payments | € 26.2 | € 31.4 | 26.2 | 31.4 | ||||||||
| Reserve of share-based payments | € 13.2 | € 23.1 | € 13.2 | € 23.1 | ||||||||