Statement Of Comprehensive Income [Abstract]
| Concept |
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 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||||||||
| Profit (loss) |
4,855,000,000
EUR
|
— |
-
EUR
|
4,910,000,000
EUR
|
-
EUR
|
— | — |
-
EUR
|
— |
55,000,000
EUR
|
-
EUR
|
4,910,000,000
EUR
|
— | — |
6,153,000,000
EUR
|
6,153,000,000
EUR
|
90,000,000
EUR
|
— | — |
-
EUR
|
6,063,000,000
EUR
|
-
EUR
|
-
EUR
|
-
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 |
41,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
-
EUR
|
— | — | — |
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans |
47,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
339,000,000
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 |
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
85,000,000
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 |
137,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,000,000
EUR
|
— | — | — |
| Other comprehensive income |
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
|
254,000,000
EUR
|
148,000,000
EUR
|
41,000,000
EUR
|
-
EUR
|
2,000,000
EUR
|
-
EUR
|
65,000,000
EUR
|
41,000,000
EUR
|
39,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
| Comprehensive income |
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
|
— | — |
6,111,000,000
EUR
|
6,153,000,000
EUR
|
88,000,000
EUR
|
— | — |
41,000,000
EUR
|
6,023,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||||||||
| Comprehensive income, attributable to owners of parent |
1,463,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
6,111,000,000
EUR
|
— | — | — |
| Comprehensive income, attributable to non-controlling interests |
94,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
88,000,000
EUR
|
— | — | — |