Statement Of Cash Flows [Abstract]
| Concept |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Cash flows from (used in) operations | — |
389,000,000
EUR
|
75,000,000
EUR
|
— | — |
| Interest paid, classified as operating activities | — |
2,000,000
EUR
|
2,000,000
EUR
|
— | — |
| Cash flows from (used in) operating activities | — |
27,000,000
EUR
|
32,000,000
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows from (used in) investing activities | — |
30,000,000
EUR
|
56,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from borrowings, classified as financing activities | — |
0
EUR
|
39,000,000
EUR
|
— | — |
| Payments of lease liabilities, classified as financing activities | — |
26,000,000
EUR
|
26,000,000
EUR
|
— | — |
| Cash flows from (used in) financing activities | — |
45,000,000
EUR
|
100,000,000
EUR
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
48,000,000
EUR
|
12,000,000
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
|
1,000,000
EUR
|
— | — |
| Cash and cash equivalents |
98,000,000
EUR
|
— | — |
148,000,000
EUR
|
135,000,000
EUR
|