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] | ||||||||||||||||
| Other revenue | — | — | — | — | — | — | — |
96,000,000
EUR
|
— |
50,000,000
EUR
|
— | — | — | — | — | — |
| Revenue | — | — | — | — | — | — | — |
3,336,000,000
EUR
|
— |
2,988,000,000
EUR
|
— | — | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||
| Finance income (cost) | — | — | — | — | — | — | — |
1,177,000,000
EUR
|
— |
1,177,000,000
EUR
|
— | — | — | — | — | — |
| Other finance income (cost) | — | — | — | — | — | — | — |
112,000,000
EUR
|
— |
159,000,000
EUR
|
— | — | — | — | — | — |
| Expenses by nature [abstract] | ||||||||||||||||
| 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 | — | — | — | — | — | — | — |
1,076,000,000
EUR
|
— |
1,098,000,000
EUR
|
— | — | — | — | — | — |
| Tax expense other than income tax expense | — | — | — | — | — | — | — |
75,000,000
EUR
|
— |
77,000,000
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 | — | — | — | — | — | — | — |
370,000,000
EUR
|
— |
255,000,000
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 | — | — | — | — | — | — | — |
3,000,000
EUR
|
— |
7,000,000
EUR
|
— | — | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income |
55,000,000
EUR
|
1,049,000,000
EUR
|
-
EUR
|
410,000,000
EUR
|
-
EUR
|
-
EUR
|
1,459,000,000
EUR
|
1,514,000,000
EUR
|
-
EUR
|
525,000,000
EUR
|
39,000,000
EUR
|
-
EUR
|
486,000,000
EUR
|
39,000,000
EUR
|
525,000,000
EUR
|
-
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — |
1,459,000,000
EUR
|
— |
486,000,000
EUR
|
— | — | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — |
55,000,000
EUR
|
— |
39,000,000
EUR
|
— | — | — | — | — | — |