Analysis Of Income And Expense [Abstract]
| Concept |
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 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||
| Revenue [abstract] | ||||||||||||||
| Interest income | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Interest income on cash and cash equivalents | — |
71,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
21,000,000
EUR
|
— | — |
| Revenue | — |
4 601,0
EUR
|
— | — | — | — | — | — | — | — | — |
5 099,7
EUR
|
— | — |
| Material income and expense [abstract] | ||||||||||||||
| Finance income (cost) | — |
1,378,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,186,000,000
EUR
|
— | — |
| Other finance income (cost) | — |
296,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
184,000,000
EUR
|
— | — |
| Expenses by nature [abstract] | ||||||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||||||
| Employee benefits expense | — |
2 343,5
EUR
|
— | — | — | — | — | — | — | — | — |
2 596,8
EUR
|
— | — |
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||||||
| Depreciation and amortisation expense [abstract] | ||||||||||||||
| Depreciation and amortisation expense | — |
3,629,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
3,053,000,000
EUR
|
— | — |
| Tax expense other than income tax expense | — |
450,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
458,000,000
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, 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 | — |
1,978,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
481,000,000
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 | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
6,000,000
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 | — |
25,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
14,000,000
EUR
|
— | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — |
23,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,000,000
EUR
|
— | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income |
-
EUR
|
628,000,000
EUR
|
1,978,000,000
EUR
|
82,000,000
EUR
|
-
EUR
|
710,000,000
EUR
|
1,350,000,000
EUR
|
481,000,000
EUR
|
-
EUR
|
4,110,000,000
EUR
|
3,886,000,000
EUR
|
4,367,000,000
EUR
|
257,000,000
EUR
|
-
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
710,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
4,110,000,000
EUR
|
— | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — |
82,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
257,000,000
EUR
|
— | — |