Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-01-01 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-01-01 |
|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||
| Cash flows from (used in) operating activities [abstract] | ||||||
| Income taxes paid (refund), classified as operating activities | — |
9,000,000.0
EUR
|
— | — |
9,000,000.0
EUR
|
— |
| Other inflows (outflows) of cash, classified as operating activities | — |
13,000,000.0
EUR
|
— | — |
5,000,000.0
EUR
|
— |
| Cash flows from (used in) operating activities | — |
20,000,000.0
EUR
|
— | — |
94,000,000.0
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | ||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
132,000,000.0
EUR
|
— | — |
222,000,000.0
EUR
|
— |
| Cash flows from (used in) investing activities | — |
119,000,000.0
EUR
|
— | — |
222,000,000.0
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | ||||||
| Dividends paid, classified as financing activities | — |
12,000,000.0
EUR
|
— | — |
2,000,000.0
EUR
|
— |
| Cash flows from (used in) financing activities | — |
73,000,000.0
EUR
|
— | — |
156,000,000.0
EUR
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
26,000,000.0
EUR
|
— | — |
28,000,000.0
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
1,000,000.0
EUR
|
— | — |
7,000,000.0
EUR
|
— |
| Cash and cash equivalents |
62,000,000.0
EUR
|
— |
87,000,000.0
EUR
|
87,000,000.0
EUR
|
— |
66,000,000.0
EUR
|