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 |
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) |
50,000,000
EUR
|
668,000,000
EUR
|
718,000,000
EUR
|
— | — |
668,000,000
EUR
|
— |
907,000,000
EUR
|
— |
56,000,000
EUR
|
851,000,000
EUR
|
851,000,000
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) on remeasurements of defined benefit plans | — | — |
13,000,000
EUR
|
— | — | — | — |
22,000,000
EUR
|
— | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||
| Cash flow hedges [abstract] | ||||||||||||
| Other comprehensive income, before tax, cash flow hedges | — | — |
186,000,000
EUR
|
— | — | — | — |
4,000,000
EUR
|
— | — | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, before tax | — | — |
2,000,000
EUR
|
— | — | — | — |
4,000,000
EUR
|
— | — | — | — |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — | — |
4,000,000
EUR
|
— | — | — | — |
6,000,000
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 | — | — |
48,000,000
EUR
|
— | — | — | — |
1,000,000
EUR
|
— | — | — | — |
| Other comprehensive income |
55,000,000
EUR
|
— |
3,000,000
EUR
|
23,000,000
EUR
|
81,000,000
EUR
|
58,000,000
EUR
|
502,000,000
EUR
|
375,000,000
EUR
|
143,000,000
EUR
|
16,000,000
EUR
|
359,000,000
EUR
|
— |
| Comprehensive income |
5,000,000
EUR
|
668,000,000
EUR
|
721,000,000
EUR
|
23,000,000
EUR
|
81,000,000
EUR
|
726,000,000
EUR
|
502,000,000
EUR
|
532,000,000
EUR
|
143,000,000
EUR
|
40,000,000
EUR
|
492,000,000
EUR
|
851,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
726,000,000
EUR
|
— | — | — | — |
492,000,000
EUR
|
— | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — |
5,000,000
EUR
|
— | — | — | — |
40,000,000
EUR
|
— | — | — | — |