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 |
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 |
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) | — | — | — | — | — | — | — | — | — | — | — | — | — |
4,800,000,000.0
EUR
|
— |
2,855,000,000.0
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 | — | — | — | — | — | — | — | — | — | — | — | — | — |
847,000,000.0
EUR
|
— |
400,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — | — | — | — | — | — | — | — | — | — | — | — | — |
148,000,000.0
EUR
|
— |
139,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income, before tax, change in fair value of financial liability attributable to change in credit risk of liability | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,000,000.0
EUR
|
— |
3,000,000.0
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 | — | — | — | — | — | — | — | — | — | — | — | — | — |
120,000,000.0
EUR
|
— |
181,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash flow hedges [abstract] | ||||||||||||||||||||||||||||||
| Reclassification adjustments on cash flow hedges, before tax | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,000,000.0
EUR
|
— |
15,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income, before tax, cash flow hedges | — | — | — | — | — | — | — | — | — | — | — | — | — |
278,000,000.0
EUR
|
— |
216,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Hedges of net investment in foreign operations [abstract] | ||||||||||||||||||||||||||||||
| Other comprehensive income, before tax, hedges of net investments in foreign operations | — | — | — | — | — | — | — | — | — | — | — | — | — |
103,000,000.0
EUR
|
— |
155,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Financial assets measured at fair value through other comprehensive income [abstract] | ||||||||||||||||||||||||||||||
| Reclassification adjustments on financial assets measured at fair value through other comprehensive income, before tax | — | — | — | — | — | — | — | — | — | — | — | — | — |
394,000,000.0
EUR
|
— |
298,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income, before tax, financial assets measured at fair value through other comprehensive income | — | — | — | — | — | — | — | — | — | — | — | — | — |
322,000,000.0
EUR
|
— |
1,308,000,000.0
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 | — | — | — | — | — | — | — | — | — | — | — | — | — |
25,000,000.0
EUR
|
— |
8,000,000.0
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 | — | — | — | — | — | — | — | — | — | — | — | — | — |
247,000,000.0
EUR
|
— |
138,000,000.0
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 | — | — | — | — | — | — | — | — | — | — | — | — | — |
153,000,000.0
EUR
|
— |
383,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — | — | — | — |
293,000,000.0
EUR
|
— |
719,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
2,000,000.0
EUR
|
208,000,000.0
EUR
|
5,092,000,000.0
EUR
|
238,000,000.0
EUR
|
–
EUR
|
0.0
EUR
|
–
EUR
|
111,000,000.0
EUR
|
120,000,000.0
EUR
|
103,000,000.0
EUR
|
25,000,000.0
EUR
|
637,000,000.0
EUR
|
–
EUR
|
5,094,000,000.0
EUR
|
4,799,000,000.0
EUR
|
3,574,000,000.0
EUR
|
103,000,000.0
EUR
|
2,852,000,000.0
EUR
|
299,000,000.0
EUR
|
979,000,000.0
EUR
|
155,000,000.0
EUR
|
8,000,000.0
EUR
|
162,000,000.0
EUR
|
–
EUR
|
–
EUR
|
181,000,000.0
EUR
|
3,000,000.0
EUR
|
2,000,000.0
EUR
|
3,571,000,000.0
EUR
|
–
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — | — | — | — | — | — | — |
5,092,000,000.0
EUR
|
— |
3,571,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,000,000.0
EUR
|
— |
3,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |