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 |
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 |
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) |
2,845,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
4,593,000,000.0
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 |
400,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
76,000,000.0
EUR
|
— | — | — | — | — |
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans |
139,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
294,000,000.0
EUR
|
— | — | — | — | — |
| Other comprehensive income, before tax, change in fair value of financial liability attributable to change in credit risk of liability |
3,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
21,000,000.0
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 |
181,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
24,000,000.0
EUR
|
— | — | — | — | — |
| Cash flow hedges [abstract] | ||||||||||||||||||||||||||||||
| Reclassification adjustments on cash flow hedges, before tax |
15,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
34,000,000.0
EUR
|
— | — | — | — | — |
| Other comprehensive income, before tax, cash flow hedges |
216,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
128,000,000.0
EUR
|
— | — | — | — | — |
| Hedges of net investment in foreign operations [abstract] | ||||||||||||||||||||||||||||||
| Other comprehensive income, before tax, hedges of net investments in foreign operations |
155,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
20,000,000.0
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 |
302,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
30,000,000.0
EUR
|
— | — | — | — | — |
| Other comprehensive income, before tax, financial assets measured at fair value through other comprehensive income |
1,230,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
541,000,000.0
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 |
8,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
23,000,000.0
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 |
138,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
63,000,000.0
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 |
364,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
110,000,000.0
EUR
|
— | — | — | — | — |
| Other comprehensive income |
660,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
146,000,000.0
EUR
|
— | — | — | — | — |
| Comprehensive income |
3,505,000,000.0
EUR
|
103,000,000.0
EUR
|
299,000,000.0
EUR
|
2,842,000,000.0
EUR
|
920,000,000.0
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
|
3,502,000,000.0
EUR
|
–
EUR
|
217,000,000.0
EUR
|
24,000,000.0
EUR
|
23,000,000.0
EUR
|
4,737,000,000.0
EUR
|
–
EUR
|
4,591,000,000.0
EUR
|
399,000,000.0
EUR
|
20,000,000.0
EUR
|
2,000,000.0
EUR
|
4,739,000,000.0
EUR
|
57,000,000.0
EUR
|
–
EUR
|
96,000,000.0
EUR
|
16,000,000.0
EUR
|
–
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||||||||||||||
| Comprehensive income, attributable to owners of parent |
3,502,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
4,737,000,000.0
EUR
|
— | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests |
3,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,000,000.0
EUR
|
— | — | — | — | — |