Statement Of Cash Flows [Abstract]
| Concept |
As at 2023-12-31 |
As at 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 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||
| Dividends received, classified as operating activities | — | — |
3,000,000
EUR
|
— | — |
10,000,000
EUR
|
— | — |
| Cash flows from (used in) operating activities | — | — |
1 052
EUR
|
— | — |
1 013
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — |
1 036
EUR
|
— | — |
77,000,000
EUR
|
— | — |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — | — |
14,000,000
EUR
|
— | — |
12,000,000
EUR
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — |
190,000,000
EUR
|
— | — |
151,000,000
EUR
|
— | — |
| Cash flows from (used in) investing activities | — | — |
1 228
EUR
|
— | — |
211,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||
| Proceeds from issuing shares | — | — |
-
EUR
|
— | — |
1,000,000
EUR
|
— | — |
| Dividends paid, classified as financing activities | — | — |
278,000,000
EUR
|
— | — |
238,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities | — | — |
147,000,000
EUR
|
— | — |
828,000,000
EUR
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
1,000,000
EUR
|
— | — |
10,000,000
EUR
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — |
30,000,000
EUR
|
— | — |
36,000,000
EUR
|
— | — |
| Cash and cash equivalents |
1 354
EUR
|
-
EUR
|
— |
1 354
EUR
|
1 481
EUR
|
— |
-
EUR
|
1 481
EUR
|