Statement Of Cash Flows [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 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) investing activities [abstract] | |||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — |
248,000,000
EUR
|
— |
263,000,000
EUR
|
— |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
490,000,000
EUR
|
— |
33,000,000
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from borrowings, classified as financing activities | — |
510,000,000
EUR
|
— |
2 146
EUR
|
— |
| Repayments of borrowings, classified as financing activities | — |
654,000,000
EUR
|
— |
1 367
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
2,000,000
EUR
|
— |
70,000,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
1 440
EUR
|
— |
1 500
EUR
|
— |
| Cash and cash equivalents |
6 687
EUR
|
— |
5 247
EUR
|
— |
3 747
EUR
|