Statement Of Financial Position [Abstract]
| Concept |
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 |
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 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||||||||||||||
| Property, plant and equipment |
802,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
820,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investment property |
883,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
992,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets |
36,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
38,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
989,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,044,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
39,842,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
33,931,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
13,265,000,000
EUR
|
— | — |
| Assets |
151,324,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
155,268,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||||||||
| Issued capital |
1,070,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,079,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
9,640,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
8,842,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
456,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
456,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares |
10,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
20,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other equity interest |
966,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
966,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
257,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
53,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
11,865,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
11,270,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
67,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
68,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
11,932,000,000
EUR
|
50,000,000
EUR
|
67,000,000
EUR
|
456,000,000
EUR
|
9,640,000,000
EUR
|
10,000,000
EUR
|
1,070,000,000
EUR
|
786,000,000
EUR
|
10,899,000,000
EUR
|
17,000,000
EUR
|
966,000,000
EUR
|
31,000,000
EUR
|
527,000,000
EUR
|
20,000,000
EUR
|
509,000,000
EUR
|
8,842,000,000
EUR
|
38,000,000
EUR
|
966,000,000
EUR
|
11,338,000,000
EUR
|
36,000,000
EUR
|
129,000,000
EUR
|
10,304,000,000
EUR
|
68,000,000
EUR
|
456,000,000
EUR
|
693,000,000
EUR
|
1,079,000,000
EUR
|
7,337,000,000
EUR
|
68,000,000
EUR
|
26,000,000
EUR
|
43,000,000
EUR
|
8,587,000,000
EUR
|
1,079,000,000
EUR
|
966,000,000
EUR
|
25,000,000
EUR
|
877,000,000
EUR
|
456,000,000
EUR
|
9,621,000,000
EUR
|
437,000,000
EUR
|
163,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||
| Provisions [abstract] | |||||||||||||||||||||||||||||||||||||||
| Provisions |
79,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
190,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities |
8,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
18,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
97,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
90,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
139,392,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
143,930,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
151,324,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
155,268,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |