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 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 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 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — |
797,000,000
EUR
|
— | — | — |
831,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — | — |
4,640,000,000
EUR
|
— | — | — |
4,454,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — | — |
6,043,000,000
EUR
|
— | — | — |
6,267,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — |
296,000,000
EUR
|
— | — | — |
320,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — | — |
1 869,6
EUR
|
— | — | — |
1 880,7
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||
| Cash and cash equivalents | — | — | — | — | — | — | — |
485,000,000
EUR
|
— | — | — |
509,000,000
EUR
|
— | — | — | — | — | — | — | — |
733,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current assets | — | — | — | — | — | — | — |
4,285,000,000
EUR
|
— | — | — |
4,701,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — |
2 298,1
EUR
|
— | — | — |
2 350,8
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — |
839,000,000
EUR
|
— | — | — |
839,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — | — | — |
9,495,000,000
EUR
|
— | — | — |
9,495,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — | — | — | — | — |
36,000,000
EUR
|
— | — | — |
50,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — |
1 163,1
EUR
|
— | — | — |
1 180,1
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
1,525,000,000
EUR
|
9,495,000,000
EUR
|
839,000,000
EUR
|
28,000,000
EUR
|
36,000,000
EUR
|
1 163,1
EUR
|
4,000,000
EUR
|
1 163,1
EUR
|
19,000,000
EUR
|
236,000,000
EUR
|
13,000,000
EUR
|
1 180,1
EUR
|
112,000,000
EUR
|
9,495,000,000
EUR
|
839,000,000
EUR
|
9,000,000
EUR
|
50,000,000
EUR
|
1 180,1
EUR
|
2,000,000
EUR
|
1,402,000,000
EUR
|
1 172,1
EUR
|
16,000,000
EUR
|
513,000,000
EUR
|
11,000,000
EUR
|
1 172,1
EUR
|
10,000,000
EUR
|
77,000,000
EUR
|
913,000,000
EUR
|
9,496,000,000
EUR
|
839,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||||||||
| Non-current provisions for employee benefits | — | — | — | — | — | — | — |
46,000,000
EUR
|
— | — | — |
49,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current provisions | — | — | — | — | — | — | — |
49,000,000
EUR
|
— | — | — |
7,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — | — |
1,639,000,000
EUR
|
— | — | — |
1,669,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — | — |
6,762,000,000
EUR
|
— | — | — |
7,018,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||||||||
| Current provisions | — | — | — | — | — | — | — |
16,000,000
EUR
|
— | — | — |
13,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — | — |
4,588,000,000
EUR
|
— | — | — |
4,689,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — |
2 298,1
EUR
|
— | — | — |
2 350,8
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |