Provisions - Additional information (Detail) - EUR (€) € in Millions |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Jan. 13, 2026 |
|
| Disclosure Of Provisions [Line Items] | ||||
| Restructuring charges related to staff | € 41 | € 54 | € 27 | |
| Current restructuring provision | € 44 | 51 | ||
| Description Of Warranty Terms | The warranty terms range from one to five years. | |||
| Restructuring Expenses For Non Staff | € 3 | € 9 | ||
| Provision For Interest In Tax | € 40 | |||
| Non Current Portion Of Group Tax | 29 | |||
| Provision For Non Current Portion Of Group Tax | € 23 | |||