Property, plant and equipment - Text details (Details) - EUR (€) € in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Property, plant and equipment [Line Items] | |||
| Property, plant and equipment | € 2,217 | € 2,452 | € 2,483 |
| Additions | 564 | 637 | |
| Committed future leases not yet commenced | 0 | 0 | |
| Minimum payments under sale-and-leaseback arrangements | 29 | 43 | |
| Property, plant and equipment | |||
| Property, plant and equipment [Line Items] | |||
| Property, plant and equipment | 1,465 | 1,565 | € 1,565 |
| Additions | 461 | 448 | |
| Property, plant and equipment | Property, plant and equipment subject to operating leases [member] | |||
| Property, plant and equipment [Line Items] | |||
| Property, plant and equipment | 143 | 135 | |
| Additions | € 135 | € 131 | |