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 |
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 |
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) |
2,000,000
EUR
|
-
EUR
|
— |
7,737,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
7,738,000,000
EUR
|
7,737,000,000
EUR
|
4,855,000,000
EUR
|
— |
-
EUR
|
4,910,000,000
EUR
|
-
EUR
|
— | — |
-
EUR
|
— |
55,000,000
EUR
|
-
EUR
|
4,910,000,000
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 | — | — | — | — | — | — | — | — | — | — |
44,000,000
EUR
|
— |
41,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — | — | — | — | — | — | — | — | — | — |
51,000,000
EUR
|
— |
47,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — | — | — | — | — | — | — | — | — | — |
5,000,000
EUR
|
— |
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||||||||||||||||
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — | — | — | — | — | — | — | — | — | — |
50,000,000
EUR
|
— |
137,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
27,000,000
EUR
|
-
EUR
|
116,000,000
EUR
|
6,008,000,000
EUR
|
-
EUR
|
38,000,000
EUR
|
6,008,000,000
EUR
|
39,000,000
EUR
|
6,123,000,000
EUR
|
-
EUR
|
6,036,000,000
EUR
|
-
EUR
|
6,412,000,000
EUR
|
40,000,000
EUR
|
-
EUR
|
-
EUR
|
6,373,000,000
EUR
|
34,000,000
EUR
|
223,000,000
EUR
|
-
EUR
|
6,602,000,000
EUR
|
39,000,000
EUR
|
-
EUR
|
6,373,000,000
EUR
|
| Comprehensive income |
29,000,000
EUR
|
-
EUR
|
— |
1 374,5
EUR
|
-
EUR
|
— |
6,008,000,000
EUR
|
— | — |
-
EUR
|
1 377,4
EUR
|
7,737,000,000
EUR
|
1,557,000,000
EUR
|
— |
-
EUR
|
4,910,000,000
EUR
|
6,373,000,000
EUR
|
— | — |
-
EUR
|
— |
94,000,000
EUR
|
-
EUR
|
1,463,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — | — | — | — |
1 374,5
EUR
|
— |
1,463,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — | — | — | — |
29,000,000
EUR
|
— |
94,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |