Income from operations - Employee benefit expenses (Detail) - EUR (€) € in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Income from operations [Abstract] | |||
| Salaries and wages excluding share-based compensation | € 5,369 | € 5,356 | € 5,635 |
| Share-based compensation | 148 | 104 | 97 |
| Post-employment benefit costs | 371 | 388 | 402 |
| Other social security and similar charges: | |||
| Required by law | 582 | 580 | 567 |
| Voluntary | 211 | 211 | 202 |
| Employee benefit expenses | € 6,681 | € 6,641 | € 6,903 |
| X | ||||||||||
- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Income from operations [Abstract] No definition available.
|
| X | ||||||||||
- Definition Other social security and similar charges No definition available.
|
| X | ||||||||||
- Definition Post-employment benefits costs No definition available.
|
| X | ||||||||||
- Definition Share-based compensation costs No definition available.
|
| X | ||||||||||
- Definition Voluntary social security contributions No definition available.
|