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 |
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 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||
| Profit (loss) |
21,000,000
EUR
|
— |
746,000,000
EUR
|
— | — | — |
767,000,000
EUR
|
746,000,000
EUR
|
465,000,000
EUR
|
479,000,000
EUR
|
— | — |
14,000,000
EUR
|
465,000,000
EUR
|
— | — |
| Other comprehensive income [abstract] | ||||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||
| Other comprehensive income, before tax, gains (losses) from investments in equity instruments | — | — | — | — | — | — |
62,000,000
EUR
|
— | — |
39,000,000
EUR
|
— | — | — | — | — | — |
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — | — | — | — | — | — |
995,000,000
EUR
|
— | — |
622,000,000
EUR
|
— | — | — | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations | — | — | — | — | — | — |
527,000,000
EUR
|
— | — |
580,000,000
EUR
|
— | — | — | — | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, before tax | — | — | — | — | — | — |
3,000,000
EUR
|
— | — |
2,000,000
EUR
|
— | — | — | — | — | — |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — | — | — | — | — | — |
329,000,000
EUR
|
— | — |
213,000,000
EUR
|
— | — | — | — | — | — |
| Other comprehensive income |
–
EUR
|
62,000,000
EUR
|
1,051,000
EUR
|
2,000,000
EUR
|
524,000,000
EUR
|
7 9
EUR
|
1,051,000
EUR
|
666,000,000
EUR
|
409,000,000
EUR
|
892,000,000
EUR
|
6,000,000
EUR
|
5 75
EUR
|
7,000,000
EUR
|
885,000,000
EUR
|
54,000,000
EUR
|
39,000,000
EUR
|
| Comprehensive income |
21,000,000
EUR
|
62,000,000
EUR
|
1,797,000
EUR
|
2,000,000
EUR
|
524,000,000
EUR
|
7 9
EUR
|
1,818,000
EUR
|
1,412,000
EUR
|
56,000,000
EUR
|
413,000,000
EUR
|
6,000,000
EUR
|
575,000,000
EUR
|
7,000,000
EUR
|
420,000,000
EUR
|
54,000,000
EUR
|
39,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — |
1,797,000
EUR
|
— | — |
420,000,000
EUR
|
— | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — |
21,000,000
EUR
|
— | — |
7,000,000
EUR
|
— | — | — | — | — | — |