Post-employment benefits - Pre-tax costs for post-employment benefits (Detail) - EUR (€) € in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Post-employment benefits [Line Items] | |||
| Defined benefit plans | € 71 | € 43 | € 47 |
| Defined contribution plans | 317 | 365 | 376 |
| Post-employment benefits costs | 388 | 408 | 423 |
| - included in income from operations | |||
| Post-employment benefits [Line Items] | |||
| Defined benefit plans | 54 | 23 | 25 |
| Defined contribution plans | 317 | 365 | 376 |
| - included in financial expense | |||
| Post-employment benefits [Line Items] | |||
| Defined benefit plans | 17 | 20 | 21 |
| - included in Discontinued operations | |||
| Post-employment benefits [Line Items] | |||
| Defined benefit plans | 0 | 0 | 0 |
| Defined contribution plans | € 0 | € 0 | € 0 |