Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Cash flows from (used in) operations | — |
382,000,000
EUR
|
— |
389,000,000
EUR
|
— |
| Interest paid, classified as operating activities | — |
1,000,000
EUR
|
— |
2,000,000
EUR
|
— |
| Cash flows from (used in) operating activities | — |
241,000,000
EUR
|
— |
27,000,000
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows from (used in) investing activities | — |
9,000,000
EUR
|
— |
30,000,000
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Repayments of borrowings, classified as financing activities | — |
40,000,000
EUR
|
— |
0
EUR
|
— |
| Payments of lease liabilities, classified as financing activities | — |
26,000,000
EUR
|
— |
26,000,000
EUR
|
— |
| Cash flows from (used in) financing activities | — |
183,000,000
EUR
|
— |
45,000,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
49,000,000
EUR
|
— |
48,000,000
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
3,000,000
EUR
|
— |
2,000,000
EUR
|
— |
| Cash and cash equivalents |
150,000,000
EUR
|
— |
98,000,000
EUR
|
— |
148,000,000
EUR
|