Statement Of Cash Flows [Abstract]
| Concept |
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] | |||||
| Dividends received, classified as operating activities |
14,000,000
EUR
|
— | — |
4,000,000
EUR
|
— |
| Cash flows from (used in) operating activities |
1,336,000,000
EUR
|
— | — |
1,407,000,000
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities |
21,000,000
EUR
|
— | — |
30,000,000
EUR
|
— |
| Other inflows (outflows) of cash, classified as investing activities |
173,000,000
EUR
|
— | — |
683,000,000
EUR
|
— |
| Cash flows from (used in) investing activities |
2,224,000,000
EUR
|
— | — |
1,340,000,000
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Payments to acquire or redeem entity's shares |
55,000,000
EUR
|
— | — |
—
EUR
|
— |
| Dividends paid, classified as financing activities |
—
EUR
|
— | — |
1,000,000
EUR
|
— |
| Cash flows from (used in) financing activities |
1,489,000,000
EUR
|
— | — |
1,345,000,000
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents |
191,000,000
EUR
|
— | — |
21,000,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes |
410,000,000
EUR
|
— | — |
1,391,000,000
EUR
|
— |
| Cash and cash equivalents | — |
2,698,000,000
EUR
|
2,288,000,000
EUR
|
— |
897,000,000
EUR
|