Statement Of Cash Flows [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||||||||
| Profit (loss) |
6 190,5
EUR
|
— |
65,000,000
EUR
|
6 184,0
EUR
|
6 184,0
EUR
|
— |
5 706,6
EUR
|
5 712,6
EUR
|
5 706,6
EUR
|
60,000,000
EUR
|
51,000,000
EUR
|
— |
4 597,1
EUR
|
4 602,2
EUR
|
4 597,1
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||||||||
| Adjustments for share-based payments |
1,685,000,000
EUR
|
— | — | — | — | — | — |
1,690,000,000
EUR
|
— | — | — | — | — |
1,552,000,000
EUR
|
— | — |
| Other adjustments for non-cash items |
141,000,000
EUR
|
— | — | — | — | — | — |
387,000,000
EUR
|
— | — | — | — | — |
165,000,000
EUR
|
— | — |
| Adjustments for losses (gains) on disposal of non-current assets |
69,000,000
EUR
|
— | — | — | — | — | — |
76,000,000
EUR
|
— | — | — | — | — |
5,000,000
EUR
|
— | — |
| Dividends received, classified as operating activities |
4,236,000,000
EUR
|
— | — | — | — | — | — |
4,718,000,000
EUR
|
— | — | — | — | — |
3,798,000,000
EUR
|
— | — |
| Interest paid, classified as operating activities |
1,849,000,000
EUR
|
— | — | — | — | — | — |
284,000,000
EUR
|
— | — | — | — | — |
17,000,000
EUR
|
— | — |
| Cash flows from (used in) operating activities |
7 604,6
EUR
|
— | — | — | — | — | — |
6 278,3
EUR
|
— | — | — | — | — |
6 728,4
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||||||||
| Cash flows from (used in) investing activities |
4 143,7
EUR
|
— | — | — | — | — | — |
2 223,8
EUR
|
— | — | — | — | — |
1 633,7
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||||||||
| Payments from changes in ownership interests in subsidiaries that do not result in loss of control |
—
EUR
|
— | — | — | — | — | — |
—
EUR
|
— | — | — | — | — |
—
EUR
|
— | — |
| Proceeds from issuing shares |
15,000,000
EUR
|
— | — | — | — | — | — |
1,032,000,000
EUR
|
— | — | — | — | — |
58,000,000
EUR
|
— | — |
| Payments of lease liabilities, classified as financing activities |
4,306,000,000
EUR
|
— | — | — | — | — | — |
4,469,000,000
EUR
|
— | — | — | — | — |
3,964,000,000
EUR
|
— | — |
| Dividends paid, classified as financing activities |
3 425,6
EUR
|
— | — | — | — | — | — |
2 689,9
EUR
|
— | — | — | — | — |
2 352,1
EUR
|
— | — |
| Cash flows from (used in) financing activities |
1 614,6
EUR
|
— | — | — | — | — | — |
4 079,9
EUR
|
— | — | — | — | — |
8 864,2
EUR
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes |
1 670,4
EUR
|
— | — | — | — | — | — |
961,000,000
EUR
|
— | — | — | — | — |
3 692,1
EUR
|
— | — |
| Cash and cash equivalents | — |
4 288,1
EUR
|
— | — | — |
2 617,7
EUR
|
— | — | — | — | — |
2 713,8
EUR
|
— | — | — |
6 405,9
EUR
|