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 |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||||
| Revenue | — | — | — | — | — | — | — | — |
1,782,000,000
EUR
|
— |
1,876,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||||||
| Write-downs (reversals of write-downs) of property, plant and equipment [abstract] | ||||||||||||||||||||
| Impairment loss recognised in profit or loss, property, plant and equipment | — | — | — | — | — | — | — | — |
51,000,000
EUR
|
— |
183,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Expense of restructuring activities | — | — | — | — | — | — | — | — |
8,000,000
EUR
|
— |
40,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Finance income (cost) | — | — | — | — | — | — | — | — |
71,000,000
EUR
|
— |
184,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Operating expense | — | — | — | — | — | — | — | — |
821,000,000
EUR
|
— |
807,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Expenses by nature [abstract] | ||||||||||||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||||||||||||
| Employee benefits expense | — | — | — | — | — | — | — | — |
304,000,000
EUR
|
— |
330,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||||||||||||
| Depreciation and amortisation expense [abstract] | ||||||||||||||||||||
| Depreciation expense | — | — | — | — | — | — | — | — |
575,000,000
EUR
|
— |
625,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Amortisation expense | — | — | — | — | — | — | — | — |
95,000,000
EUR
|
— |
95,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other expenses, by nature | — | — | — | — | — | — | — | — |
198,000,000
EUR
|
— |
186,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Disclosure of attribution of expenses by nature to their function [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of attribution of expenses by nature to their function [abstract] | ||||||||||||||||||||
| Disclosure of attribution of expenses by nature to their function [line items] | ||||||||||||||||||||
| 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 | — | — | — | — | — | — | — | — |
435,000,000
EUR
|
— |
589,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income, net of tax, hedges of net investments in foreign operations | — | — | — | — | — | — | — | — |
76,000,000
EUR
|
— |
84,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — |
471,000,000
EUR
|
— |
624,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income, before tax, hedges of net investments in foreign operations | — | — | — | — | — | — | — | — |
102,000,000
EUR
|
— |
113,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Income tax relating to exchange differences on translation of foreign operations and hedges of net investments in foreign operations included in other comprehensive income [abstract] | ||||||||||||||||||||
| Income tax relating to exchange differences on translation of foreign operations included in other comprehensive income | — | — | — | — | — | — | — | — |
36,000,000
EUR
|
— |
35,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Income tax relating to hedges of net investments in foreign operations included in other comprehensive income | — | — | — | — | — | — | — | — |
26,000,000
EUR
|
— |
29,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||||
| Comprehensive income |
7,000,000
EUR
|
–
EUR
|
3,000,000
EUR
|
815,000,000
EUR
|
–
EUR
|
359,000,000
EUR
|
–
EUR
|
–
EUR
|
808,000,000
EUR
|
453,000,000
EUR
|
596,000,000
EUR
|
–
EUR
|
86,000,000
EUR
|
4,000,000
EUR
|
–
EUR
|
503,000,000
EUR
|
11,000,000
EUR
|
–
EUR
|
–
EUR
|
585,000,000
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — | — |
815,000,000
EUR
|
— |
585,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — | — |
7,000,000
EUR
|
— |
11,000,000
EUR
|
— | — | — | — | — | — | — | — | — |