Borrowings - Summary of Borrowings (Detail) € in Millions, $ in Millions |
6 Months Ended | ||
|---|---|---|---|
|
Jun. 30, 2026
EUR (€)
|
Jun. 30, 2026
USD ($)
|
Dec. 31, 2025
EUR (€)
|
|
| Disclosure of detailed information about borrowings [Line Items] | |||
| Increase (decrease) in borrowing capacity | € 453 | ||
| Notional amount | $ | $ 500 | ||
| Borrowings, maturity | The maturity date is May 7, 2036 | ||
| Borrowings, interest rate | 5.625% | 5.625% | |
| Total borrowings | € 2,230 | € 1,982 | |
| Capital funding [member] | |||
| Disclosure of detailed information about borrowings [Line Items] | |||
| Borrowings | 1,849 | 1,396 | |
| Operational funding [member] | |||
| Disclosure of detailed information about borrowings [Line Items] | |||
| Borrowings | € 382 | € 586 |