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) |
6,000,000
EUR
|
2,546,000
EUR
|
— | — | — |
2,552,000
EUR
|
2,552,000
EUR
|
— |
2,942,000
EUR
|
— |
1,000,000
EUR
|
— |
2,941,000
EUR
|
2,941,000
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 | — |
87,000,000
EUR
|
— | — | — | — | — | — |
29,000,000
EUR
|
— | — | — | — | — |
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — |
453,000,000
EUR
|
— | — | — | — | — | — |
424,000,000
EUR
|
— | — | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||
| Cash flow hedges [abstract] | ||||||||||||||
| Gains (losses) on cash flow hedges, before tax | — |
16,000,000
EUR
|
— | — | — | — | — | — |
162,000,000
EUR
|
— | — | — | — | — |
| Reclassification adjustments on cash flow hedges, before tax | — |
85,000,000
EUR
|
— | — | — | — | — | — |
12,000,000
EUR
|
— | — | — | — | — |
| Cost of hedging [abstract] | ||||||||||||||
| Change in value of time value of options [abstract] | ||||||||||||||
| Gains (losses) on change in value of time value of options, before tax | — |
1,000,000
EUR
|
— | — | — | — | — | — |
8,000,000
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 | — |
12,000,000
EUR
|
— | — | — | — | — | — |
2,000,000
EUR
|
— | — | — | — | — |
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — |
83,000,000
EUR
|
— | — | — | — | — | — |
98,000,000
EUR
|
— | — | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||||||
| Income tax relating to cash flow hedges included in other comprehensive income | — |
14,000,000
EUR
|
— | — | — | — | — | — |
33,000,000
EUR
|
— | — | — | — | — |
| Income tax relating to change in value of time value of options included in other comprehensive income | — |
–
EUR
|
— | — | — | — | — | — |
2,000,000
EUR
|
— | — | — | — | — |
| Other comprehensive income |
3,000,000
EUR
|
1,597,000
EUR
|
75,000,000
EUR
|
86,000,000
EUR
|
1,385,000
EUR
|
370,000,000
EUR
|
1,594,000
EUR
|
659,000,000
EUR
|
485,000,000
EUR
|
27,000,000
EUR
|
2,000,000
EUR
|
123,000,000
EUR
|
326,000,000
EUR
|
483,000,000
EUR
|
| Comprehensive income | — |
949,000,000
EUR
|
— | — | — | — | — | — |
3,427,000
EUR
|
— | — | — | — | — |
| Comprehensive income attributable to [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
958,000,000
EUR
|
— | — | — | — | — | — |
3,424,000
EUR
|
— | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — |
9,000,000
EUR
|
— | — | — | — | — | — |
3,000,000
EUR
|
— | — | — | — | — |