Statement Of Comprehensive Income [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||
| Profit (loss) |
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
142,000,000
EUR
|
142,000,000
EUR
|
142,000,000
EUR
|
362,000,000
EUR
|
0
EUR
|
362,000,000
EUR
|
0
EUR
|
0
EUR
|
362,000,000
EUR
|
0
EUR
|
| Other comprehensive income [abstract] | ||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans | — | — | — | — | — |
10,000,000
EUR
|
— | — | — |
7,000,000
EUR
|
— | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||
| Gains (losses) on exchange differences on translation of foreign operations, net of tax | — | — | — | — | — |
8,000,000
EUR
|
— | — | — |
6,000,000
EUR
|
— | — | — | — |
| Other comprehensive income |
0
EUR
|
10,000,000
EUR
|
0
EUR
|
8,000,000
EUR
|
18,000,000
EUR
|
18,000,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
13,000,000
EUR
|
6,000,000
EUR
|
0
EUR
|
13,000,000
EUR
|
7,000,000
EUR
|
| Comprehensive income |
0
EUR
|
10,000,000
EUR
|
0
EUR
|
8,000,000
EUR
|
124,000,000
EUR
|
124,000,000
EUR
|
142,000,000
EUR
|
362,000,000
EUR
|
0
EUR
|
375,000,000
EUR
|
6,000,000
EUR
|
0
EUR
|
375,000,000
EUR
|
7,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — |
124,000,000
EUR
|
— | — | — |
375,000,000
EUR
|
— | — | — | — |