Statement Of Cash Flows [Abstract]
| Concept |
2022-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||
| Cash flows from (used in) operating activities [abstract] | ||||||
| Profit (loss) | — |
6,826,000,000.0
EUR
|
— | — |
3,186,000,000.0
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | ||||||
| Adjustments for provisions | — |
175,000,000
EUR
|
— | — |
25,000,000
EUR
|
— |
| Other adjustments for non-cash items | — |
250,000,000
EUR
|
— | — |
706,000,000
EUR
|
— |
| Adjustments for losses (gains) on disposal of non-current assets | — |
17,000,000
EUR
|
— | — |
2,000,000
EUR
|
— |
| Other adjustments for which cash effects are investing or financing cash flow | — |
1,165,000
EUR
|
— | — |
932,000,000
EUR
|
— |
| Dividends received, classified as operating activities | — |
2,000,000
EUR
|
— | — |
16,000,000
EUR
|
— |
| Interest paid, classified as operating activities | — |
1,293,000
EUR
|
— | — |
265,000,000
EUR
|
— |
| Interest received, classified as operating activities | — |
2,424,000
EUR
|
— | — |
1,291,000
EUR
|
— |
| Cash flows from (used in) operating activities |
1,258,000
EUR
|
1,258,000
EUR
|
— | — |
349,000,000
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | ||||||
| Cash flows from (used in) investing activities |
524,000,000
EUR
|
524,000,000
EUR
|
— | — |
378,000,000
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 | — |
0
EUR
|
— | — |
1,000,000
EUR
|
— |
| Payments to acquire or redeem entity's shares | — |
175,000,000
EUR
|
— | — |
325,000,000
EUR
|
— |
| Payments of lease liabilities, classified as financing activities | — |
31,000,000
EUR
|
— | — |
30,000,000
EUR
|
— |
| Dividends paid, classified as financing activities | — |
305,000,000
EUR
|
— | — |
267,000,000
EUR
|
— |
| Cash flows from (used in) financing activities |
560,000,000
EUR
|
560,000,000
EUR
|
— | — |
647,000,000
EUR
|
— |
| Cash and cash equivalents | — | — |
694,000,000
EUR
|
520,000,000
EUR
|
— |
1,894,000
EUR
|