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] | ||||||||||||||||
| Interest income | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Interest income on cash and cash equivalents | — | — | — | — | — | — | — |
2,000,000
EUR
|
— |
19,000,000
EUR
|
— | — | — | — | — | — |
| Revenue | — | — | — | — | — | — | — |
14,315,000,000
EUR
|
— |
11,088,000,000
EUR
|
— | — | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||
| Finance income (cost) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other finance income (cost) | — | — | — | — | — | — | — |
289,000,000
EUR
|
— |
451,000,000
EUR
|
— | — | — | — | — | — |
| Expenses by nature [abstract] | ||||||||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||||||||
| Employee benefits expense | — | — | — | — | — | — | — |
5 340
EUR
|
— |
5 306
EUR
|
— | — | — | — | — | — |
| Tax expense other than income tax expense | — | — | — | — | — | — | — |
116,000,000
EUR
|
— |
137,000,000
EUR
|
— | — | — | — | — | — |
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations | — | — | — | — | — | — | — |
3,000,000
EUR
|
— |
4,000,000
EUR
|
— | — | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — | — | — | — | — | — |
27,000,000
EUR
|
— |
58,000,000
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 | — | — | — | — | — | — | — |
171,000,000
EUR
|
— |
79,000,000
EUR
|
— | — | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income |
2,495,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
2,495,000,000
EUR
|
-
EUR
|
2,495,000,000
EUR
|
-
EUR
|
7,320,000,000
EUR
|
6,000,000
EUR
|
-
EUR
|
-
EUR
|
7,314,000,000
EUR
|
-
EUR
|
7,314,000,000
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — |
2,495,000,000
EUR
|
— |
7,314,000,000
EUR
|
— | — | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — |
-
EUR
|
— |
6,000,000
EUR
|
— | — | — | — | — | — |