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 |
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 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||
| Profit (loss) |
80,000,000
EUR
|
1,459,000,000
EUR
|
— | — | — |
1,379,000,000
EUR
|
1,379,000,000
EUR
|
— |
1,387,000,000
EUR
|
— |
62,000,000
EUR
|
1,326,000,000
EUR
|
1,326,000,000
EUR
|
— |
| Other comprehensive income [abstract] | ||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||||||||||
| Other comprehensive income, before tax, gains (losses) from investments in equity instruments | — |
1,000,000
EUR
|
— | — | — | — | — | — |
4,000,000
EUR
|
— | — | — | — | — |
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — |
50,000,000
EUR
|
— | — | — | — | — | — |
125,000,000
EUR
|
— | — | — | — | — |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||||
| Income tax relating to investments in equity instruments included in other comprehensive income | — |
0
EUR
|
— | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — |
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — |
11,000,000
EUR
|
— | — | — | — | — | — |
35,000,000
EUR
|
— | — | — | — | — |
| Other comprehensive income |
34,000,000
EUR
|
204,000,000
EUR
|
127,000,000
EUR
|
41,000,000
EUR
|
1,000,000
EUR
|
— |
170,000,000
EUR
|
28,000,000
EUR
|
122,000,000
EUR
|
83,000,000
EUR
|
14,000,000
EUR
|
— |
107,000,000
EUR
|
3,000,000
EUR
|
| Comprehensive income |
114,000,000
EUR
|
1,663,000,000
EUR
|
127,000,000
EUR
|
41,000,000
EUR
|
1,000,000
EUR
|
1,379,000,000
EUR
|
1,549,000,000
EUR
|
28,000,000
EUR
|
1,266,000,000
EUR
|
83,000,000
EUR
|
47,000,000
EUR
|
1,326,000,000
EUR
|
1,218,000,000
EUR
|
3,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
1,549,000,000
EUR
|
— | — | — | — | — | — |
1,218,000,000
EUR
|
— | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — |
114,000,000
EUR
|
— | — | — | — | — | — |
47,000,000
EUR
|
— | — | — | — | — |