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 |
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) |
1,427,000,000
EUR
|
1,541,000,000
EUR
|
1,427,000,000
EUR
|
114,000,000
EUR
|
— | — |
181,000,000
EUR
|
— | — |
2,567,000,000
EUR
|
2,748,000,000
EUR
|
2,567,000,000
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 | — | — |
26,000,000
EUR
|
— | — | — | — | — | — | — | — |
58,000,000
EUR
|
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — |
26,000,000
EUR
|
— | — | — | — | — | — | — | — |
58,000,000
EUR
|
— |
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||
| Financial assets measured at fair value through other comprehensive income [abstract] | ||||||||||||
| Gains (losses) on financial assets measured at fair value through other comprehensive income, net of tax | — | — | — | — | — |
1,300,000,000
EUR
|
— |
709,000,000
EUR
|
— | — | — | — |
| Reclassification adjustments on financial assets measured at fair value through other comprehensive income, net of tax | — | — | — | — | — |
96,000,000
EUR
|
— |
333,000,000
EUR
|
— | — | — | — |
| Amounts removed from equity and adjusted against fair value of financial assets on reclassification out of fair value through other comprehensive income measurement category, net of tax | — | — | — | — | — |
57,000,000
EUR
|
— |
5,000,000
EUR
|
— | — | — | — |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — |
1,592,000,000
EUR
|
— | — | — | — | — | — | — | — |
643,000,000
EUR
|
— |
| Other comprehensive income |
1,567,000,000
EUR
|
1,567,000,000
EUR
|
26,000,000
EUR
|
— |
253,000,000
EUR
|
1,340,000,000
EUR
|
5,000,000
EUR
|
365,000,000
EUR
|
335,000,000
EUR
|
705,000,000
EUR
|
700,000,000
EUR
|
6,000,000
EUR
|
| Comprehensive income |
139,000,000
EUR
|
26,000,000
EUR
|
1,454,000,000
EUR
|
114,000,000
EUR
|
253,000,000
EUR
|
1,340,000,000
EUR
|
176,000,000
EUR
|
365,000,000
EUR
|
335,000,000
EUR
|
3,272,000,000
EUR
|
3,448,000,000
EUR
|
2,572,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent | — |
139,000,000
EUR
|
— | — | — | — | — | — | — | — |
3,272,000,000
EUR
|
— |
| Comprehensive income, attributable to non-controlling interests | — |
114,000,000
EUR
|
— | — | — | — | — | — | — | — |
176,000,000
EUR
|
— |