Statement Of Financial Position [Abstract]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements | — | — | — | — | — | — |
871,000,000
EUR
|
— |
820,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — |
216,000,000
EUR
|
— |
218,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||
| Current tax assets, current | — | — | — | — | — | — |
130,000,000
EUR
|
— |
69,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
34,871,000,000
EUR
|
— |
43,234,000,000
EUR
|
— | — | — | — | — | — | — |
53,683,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — |
199,851,000,000
EUR
|
— |
198,241,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||
| Other equity interest | — | — | — | — | — | — |
1,781,000,000
EUR
|
— |
1,610,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — |
17,299,000,000
EUR
|
— |
17,009,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — |
1,260,000,000
EUR
|
— |
1,231,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
16,213,000,000
EUR
|
4,990,000,000
EUR
|
1,002,000,000
EUR
|
1,260,000,000
EUR
|
17,299,000,000
EUR
|
1,781,000,000
EUR
|
20,340,000,000
EUR
|
4,905,000,000
EUR
|
19,849,000,000
EUR
|
15,600,000,000
EUR
|
1,231,000,000
EUR
|
4,988,000,000
EUR
|
1,002,000,000
EUR
|
17,009,000,000
EUR
|
1,610,000,000
EUR
|
4,580,000,000
EUR
|
— |
3,551,000,000
EUR
|
1,126,000,000
EUR
|
18,767,000,000
EUR
|
4,990,000,000
EUR
|
1,002,000,000
EUR
|
13,590,000,000
EUR
|
1,610,000,000
EUR
|
16,030,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — |
53,000,000
EUR
|
— |
43,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — |
199,851,000,000
EUR
|
— |
198,241,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |