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 |
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 | — | — | — |
2,582,000,000
EUR
|
— | — | — |
1,888,000,000
EUR
|
— | — |
| Material income and expense [abstract] | ||||||||||
| Operating expense | — | — | — |
2,730,000,000
EUR
|
— | — | — |
2,650,000,000
EUR
|
— | — |
| Expenses by nature [abstract] | ||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||
| Employee benefits expense | — | — | — |
687,000,000
EUR
|
— | — | — |
729,000,000
EUR
|
— | — |
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss | — | — | — |
196,000,000
EUR
|
— | — | — |
248,000,000
EUR
|
— | — |
| Other expenses, by nature | — | — | — |
1,220,000,000
EUR
|
— | — | — |
1,165,000,000
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 |
0
EUR
|
— |
4,000,000
EUR
|
5,000,000
EUR
|
1,000,000
EUR
|
2,000,000
EUR
|
— |
8,000,000
EUR
|
6,000,000
EUR
|
0
EUR
|
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||
| Share of profit (loss) of associates accounted for using equity method | — | — | — |
17,000,000
EUR
|
— | — | — |
0
EUR
|
— | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income |
25,000,000
EUR
|
-
EUR
|
4,000,000
EUR
|
255,000,000
EUR
|
284,000,000
EUR
|
421,000,000
EUR
|
-
EUR
|
409,000,000
EUR
|
6,000,000
EUR
|
6,000,000
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
255,000,000
EUR
|
— | — | — |
409,000,000
EUR
|
— | — |