Statement Of Comprehensive Income [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||
| Profit (loss) |
1,011,000,000
EUR
|
1,011,000,000
EUR
|
1,223,000,000
EUR
|
212,000,000
EUR
|
— | — | — |
171,000,000
EUR
|
845,000,000
EUR
|
— | — | — |
845,000,000
EUR
|
1,016,000,000
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) on remeasurements of defined benefit plans | — | — |
263,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
131,000,000
EUR
|
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||
| Available-for-sale financial assets [abstract] | ||||||||||||||
| Other comprehensive income, before tax, available-for-sale financial assets | — | — |
7,082,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
298,000,000
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 | — | — |
61,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
34,000,000
EUR
|
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||||||
| Income tax relating to available-for-sale financial assets included in other comprehensive income | — | — |
1,663,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
161,000,000
EUR
|
| Other comprehensive income | — | — |
5,691,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
85,000,000
EUR
|
| Comprehensive income |
1,011,000,000
EUR
|
3,459,000,000
EUR
|
4,468,000,000
EUR
|
1,009,000,000
EUR
|
21,000,000
EUR
|
150,000,000
EUR
|
4,641,000,000
EUR
|
183,000,000
EUR
|
845,000,000
EUR
|
296,000,000
EUR
|
79,000,000
EUR
|
290,000,000
EUR
|
918,000,000
EUR
|
1,101,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
3,459,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
918,000,000
EUR
|
| Comprehensive income, attributable to non-controlling interests | — | — |
1,009,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
183,000,000
EUR
|