Profit Or Loss [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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||||||||
| Profit (loss) [abstract] | ||||||||||||
| Revenue | — | — |
52,444,000,000
EUR
|
— | — |
50,724,000,000
EUR
|
— | — | — | — |
51,980,000,000
EUR
|
— |
| Profit (loss) from operating activities | — | — |
8,702,000,000
EUR
|
— | — |
8,303,000,000
EUR
|
— | — | — | — |
8,708,000,000
EUR
|
— |
| Gains (losses) on net monetary position | — | — |
74,000,000
EUR
|
— | — |
20,000,000
EUR
|
— | — | — | — |
32,000,000
EUR
|
— |
| Finance income | — | — |
147,000,000
EUR
|
— | — |
232,000,000
EUR
|
— | — | — | — |
224,000,000
EUR
|
— |
| Finance costs | — | — |
491,000,000
EUR
|
— | — |
728,000,000
EUR
|
— | — | — | — |
821,000,000
EUR
|
— |
| 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
|
— |
| Profit (loss) before tax | — | — |
8,556,000,000
EUR
|
— | — |
7,996,000,000
EUR
|
— | — | — | — |
8,289,000,000
EUR
|
— |
| Tax expense (income) | — | — |
1,935,000,000
EUR
|
— | — |
1,923,000,000
EUR
|
— | — | — | — |
2,263,000,000
EUR
|
— |
| Profit (loss) |
572,000,000
EUR
|
6,049,000,000
EUR
|
6,621,000,000
EUR
|
6,049,000,000
EUR
|
5,581,000,000
EUR
|
6,073,000,000
EUR
|
492,000,000
EUR
|
5,581,000,000
EUR
|
5,625,000,000
EUR
|
5,625,000,000
EUR
|
6,026,000,000
EUR
|
401,000,000
EUR
|
| Profit (loss), attributable to [abstract] | ||||||||||||
| Profit (loss), attributable to owners of parent | — | — |
6,049,000,000
EUR
|
— | — |
5,581,000,000
EUR
|
— | — | — | — |
5,625,000,000
EUR
|
— |
| Profit (loss), attributable to non-controlling interests | — | — |
572,000,000
EUR
|
— | — |
492,000,000
EUR
|
— | — | — | — |
401,000,000
EUR
|
— |
| Earnings per share [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Earnings per share [abstract] | ||||||||||||
| Earnings per share [line items] | ||||||||||||
| Basic earnings per share [abstract] | ||||||||||||
| Basic earnings (loss) per share | — | — |
2.33
|
— | — |
2.13
|
— | — | — | — |
2.15
|
— |
| Diluted earnings per share [abstract] | ||||||||||||
| Diluted earnings (loss) per share | — | — |
2.32
|
— | — |
2.12
|
— | — | — | — |
2.14
|
— |