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 | — | — | — |
1 997,9
EUR
|
— | — |
1 894,6
EUR
|
— | — | — |
| Expenses by nature [abstract] | ||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||
| Employee benefits expense | — | — | — |
3,738,000,000
EUR
|
— | — |
3,257,000,000
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 | — | — | — |
2,666,000,000
EUR
|
— | — |
2,762,000,000
EUR
|
— | — | — |
| Other expenses, by nature | — | — | — |
1,722,000,000
EUR
|
— | — |
1,742,000,000
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 |
1,000,000
EUR
|
— |
12,000,000
EUR
|
12,000,000
EUR
|
12,000,000
EUR
|
32,000,000
EUR
|
31,000,000
EUR
|
1,000,000
EUR
|
32,000,000
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 | — | — | — |
5,000,000
EUR
|
— | — |
19,000,000
EUR
|
— | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income |
1,000,000
EUR
|
19,000,000
EUR
|
3,406,000,000
EUR
|
3,404,000,000
EUR
|
3,424,000,000
EUR
|
3,312,000,000
EUR
|
3,361,000,000
EUR
|
0
EUR
|
3,361,000,000
EUR
|
49,000,000
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
3,405,000,000
EUR
|
— | — |
3,361,000,000
EUR
|
— | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — |
1,000,000
EUR
|
— | — |
0
EUR
|
— | — | — |