Analysis Of Income And Expense [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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||
| Revenue [abstract] | ||||||||||||||||
| Revenue from rendering of services | — | — | — | — | — | — |
4,575,000,000
EUR
|
— | — | — |
4,396,000,000
EUR
|
— | — | — | — | — |
| Revenue | — | — | — | — | — | — |
4 860,1
EUR
|
— | — | — |
4 452,2
EUR
|
— | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||
| Research and development expense | — | — | — | — | — | — |
9,493,000,000
EUR
|
— | — | — |
9,354,000,000
EUR
|
— | — | — | — | — |
| Other finance income | — | — | — | — | — | — |
151,000,000
EUR
|
— | — | — |
234,000,000
EUR
|
— | — | — | — | — |
| Selling, general and administrative expense [abstract] | ||||||||||||||||
| General and administrative expense | — | — | — | — | — | — |
4,008,000,000
EUR
|
— | — | — |
3,907,000,000
EUR
|
— | — | — | — | — |
| Sales and marketing expense | — | — | — | — | — | — |
1 299,9
EUR
|
— | — | — |
1 256,3
EUR
|
— | — | — | — | — |
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations | — | — | — | — | — | — |
6,150,000,000
EUR
|
— | — | — |
6,641,000,000
EUR
|
— | — | — | — | — |
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — | — | — | — | — | — |
5,000,000
EUR
|
— | — | — |
-
EUR
|
— | — | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — | — | — | — | — | — |
50,000,000
EUR
|
— | — | — |
137,000,000
EUR
|
— | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income |
29,000,000
EUR
|
-
EUR
|
1 374,5
EUR
|
-
EUR
|
-
EUR
|
6,008,000,000
EUR
|
1 377,4
EUR
|
7,737,000,000
EUR
|
4,910,000,000
EUR
|
-
EUR
|
1,557,000,000
EUR
|
94,000,000
EUR
|
-
EUR
|
1,463,000,000
EUR
|
6,373,000,000
EUR
|
-
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — |
1 374,5
EUR
|
— | — | — |
1,463,000,000
EUR
|
— | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — |
29,000,000
EUR
|
— | — | — |
94,000,000
EUR
|
— | — | — | — | — |