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 |
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] | |||||||||||||||
| Revenue | — | — | — |
52,444,000,000
EUR
|
— | — |
50,724,000,000
EUR
|
— | — | — | — | — | — |
51,980,000,000
EUR
|
— |
| Material income and expense [abstract] | |||||||||||||||
| Finance income (cost) | — | — | — |
354,000,000
EUR
|
— | — |
505,000,000
EUR
|
— | — | — | — | — | — |
627,000,000
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 |
149,000,000
EUR
|
1,025,000,000
EUR
|
1,028,000,000
EUR
|
1,177,000,000
EUR
|
3,000,000
EUR
|
22,000,000
EUR
|
2,590,000,000
EUR
|
212,000,000
EUR
|
2,378,000,000
EUR
|
2,356,000,000
EUR
|
18,000,000
EUR
|
16,000,000
EUR
|
2,000,000
EUR
|
15,000,000
EUR
|
1,000,000
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 | — | — | — |
191,000,000
EUR
|
— | — |
175,000,000
EUR
|
— | — | — | — | — | — |
176,000,000
EUR
|
— |
| Comprehensive income, continuing and discontinued operations [abstract] | |||||||||||||||
| Comprehensive income |
749,000,000
EUR
|
1,448,000,000
EUR
|
9,228,000,000
EUR
|
9,977,000,000
EUR
|
7,780,000,000
EUR
|
5,776,000,000
EUR
|
3,836,000,000
EUR
|
286,000,000
EUR
|
3,550,000,000
EUR
|
2,226,000,000
EUR
|
183,000,000
EUR
|
6,162,000,000
EUR
|
5,979,000,000
EUR
|
6,569,000,000
EUR
|
407,000,000
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | |||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
9,228,000,000
EUR
|
— | — |
3,550,000,000
EUR
|
— | — | — | — | — | — |
6,162,000,000
EUR
|
— |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | |||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — |
749,000,000
EUR
|
— | — |
286,000,000
EUR
|
— | — | — | — | — | — |
407,000,000
EUR
|
— |