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 |
|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | |||||||||
| Profit (loss) [abstract] | |||||||||
| Profit (loss) from operating activities | — | — | — |
3,931,000,000
EUR
|
3,164,000,000
EUR
|
— | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — | — |
24,000,000
EUR
|
14,000,000
EUR
|
— | — | — | — |
| Profit (loss) before tax | — | — | — |
3,363,000,000
EUR
|
2,706,000,000
EUR
|
— | — | — | — |
| Tax expense (income) | — | — | — |
894,000,000
EUR
|
624,000,000
EUR
|
— | — | — | — |
| Profit (loss) |
67,000,000
EUR
|
2,426,000,000
EUR
|
2,426,000,000
EUR
|
2,493,000,000
EUR
|
2,096,000,000
EUR
|
75,000,000
EUR
|
2,021,000,000
EUR
|
2,021,000,000
EUR
|
2,096,000,000
EUR
|
| Profit (loss), attributable to [abstract] | |||||||||
| Profit (loss), attributable to owners of parent | — | — | — |
2,426,000,000
EUR
|
2,021,000,000
EUR
|
— | — | — | — |
| Profit (loss), attributable to non-controlling interests | — | — | — |
67,000,000
EUR
|
75,000,000
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 | — | — | — |
201.00
|
167.00
|
— | — | — | — |
| Diluted earnings per share [abstract] | |||||||||
| Diluted earnings (loss) per share | — | — | — |
201.00
|
167.00
|
— | — | — | — |