Statement Of Cash Flows [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Income taxes paid (refund), classified as operating activities |
15,000,000
EUR
|
— |
-
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities |
300,000,000
EUR
|
— |
369,000,000
EUR
|
— | — |
| Dividends received, classified as investing activities |
6,000,000
EUR
|
— |
5,000,000
EUR
|
— | — |
| Interest received, classified as investing activities |
363,000,000
EUR
|
— |
249,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from issuing shares |
-
EUR
|
— |
1,000,000
EUR
|
— | — |
| Payments of lease liabilities, classified as financing activities |
18,000,000
EUR
|
— |
28,000,000
EUR
|
— | — |
| Dividends paid, classified as financing activities |
61,000,000
EUR
|
— |
1,000,000
EUR
|
— | — |
| Interest paid, classified as financing activities |
178,000,000
EUR
|
— |
126,000,000
EUR
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents |
4,000,000
EUR
|
— |
2,000,000
EUR
|
— | — |
| Cash and cash equivalents | — |
3,046,000,000
EUR
|
— |
4,434,000,000
EUR
|
12,155,000,000
EUR
|