Statement Of Comprehensive Income [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||
| Profit (loss) |
3,000,000
EUR
|
1,731,000,000
EUR
|
— |
1,728,000,000
EUR
|
1,728,000,000
EUR
|
2,371,000,000
EUR
|
30,000,000
EUR
|
2,341,000,000
EUR
|
2,341,000,000
EUR
|
— |
| Other comprehensive income [abstract] | ||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||||||
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans |
0
EUR
|
6,000,000
EUR
|
0
EUR
|
6,000,000
EUR
|
6,000,000
EUR
|
5,000,000
EUR
|
0
EUR
|
5,000,000
EUR
|
5,000,000
EUR
|
0
EUR
|
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||
| Exchange differences on translation [abstract] | ||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations |
0
EUR
|
2,000,000
EUR
|
2,000,000
EUR
|
0
EUR
|
2,000,000
EUR
|
7,000,000
EUR
|
0
EUR
|
0
EUR
|
7,000,000
EUR
|
7,000,000
EUR
|
| Cash flow hedges [abstract] | ||||||||||
| Other comprehensive income, net of tax, cash flow hedges |
0
EUR
|
32,000,000
EUR
|
32,000,000
EUR
|
— |
32,000,000
EUR
|
1,000,000
EUR
|
0
EUR
|
— |
1,000,000
EUR
|
1,000,000
EUR
|
| Other comprehensive income |
0
EUR
|
40,000,000
EUR
|
34,000,000
EUR
|
6,000,000
EUR
|
40,000,000
EUR
|
10,000,000
EUR
|
0
EUR
|
5,000,000
EUR
|
10,000,000
EUR
|
6,000,000
EUR
|
| Comprehensive income |
3,000,000
EUR
|
1,691,000,000
EUR
|
34,000,000
EUR
|
1,722,000,000
EUR
|
1,688,000,000
EUR
|
2,361,000,000
EUR
|
30,000,000
EUR
|
2,336,000,000
EUR
|
2,331,000,000
EUR
|
6,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — |
1,688,000,000
EUR
|
— | — | — |
2,331,000,000
EUR
|
— | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — |
3,000,000
EUR
|
— | — | — |
30,000,000
EUR
|
— | — | — | — |