Statement Of Comprehensive Income [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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||
| Profit (loss) |
51,000,000
EUR
|
— | — |
4 597,1
EUR
|
4 602,2
EUR
|
4 597,1
EUR
|
3 563,4
EUR
|
3 567,6
EUR
|
— |
42,000,000
EUR
|
3 563,4
EUR
|
— | — |
3 750,0
EUR
|
— |
3 750,0
EUR
|
3 755,2
EUR
|
52,000,000
EUR
|
| Other comprehensive income [abstract] | ||||||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||||
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans | — |
4,411,000,000
EUR
|
— |
4,411,000,000
EUR
|
4,411,000,000
EUR
|
— | — |
1,681,000,000
EUR
|
— | — |
1,681,000,000
EUR
|
1,681,000,000
EUR
|
— |
2,463,000,000
EUR
|
2,463,000,000
EUR
|
— |
2,463,000,000
EUR
|
— |
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — |
1 596,0
EUR
|
— |
1 596,0
EUR
|
1 596,0
EUR
|
— | — |
1 396,9
EUR
|
— | — |
1 396,9
EUR
|
1 396,9
EUR
|
— |
1 352,6
EUR
|
1 352,6
EUR
|
— |
1 352,6
EUR
|
— |
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations |
3,000,000
EUR
|
— |
5,824,000,000
EUR
|
5,824,000,000
EUR
|
5,827,000,000
EUR
|
— | — |
8,021,000,000
EUR
|
8,018,000,000
EUR
|
3,000,000
EUR
|
8,018,000,000
EUR
|
— |
1,741,000,000
EUR
|
1,741,000,000
EUR
|
— | — |
1,741,000,000
EUR
|
— |
| Cash flow hedges [abstract] | ||||||||||||||||||
| Other comprehensive income, net of tax, cash flow hedges |
3,000,000
EUR
|
1,619,000,000
EUR
|
— |
1,619,000,000
EUR
|
1,622,000,000
EUR
|
— | — |
1,058,000,000
EUR
|
— |
2,000,000
EUR
|
1,056,000,000
EUR
|
1,056,000,000
EUR
|
— |
11,000,000
EUR
|
11,000,000
EUR
|
— |
10,000,000
EUR
|
1,000,000
EUR
|
| Financial assets measured at fair value through other comprehensive income [abstract] | ||||||||||||||||||
| Other comprehensive income, net of tax, financial assets measured at fair value through other comprehensive income | — |
1 154,9
EUR
|
— |
1 154,9
EUR
|
1 154,9
EUR
|
— | — |
1 228,8
EUR
|
— | — |
1 228,8
EUR
|
1 228,8
EUR
|
— |
1 598,9
EUR
|
1 598,9
EUR
|
— |
1 598,9
EUR
|
— |
| Other comprehensive income that will be reclassified to profit or loss, net of tax |
-
EUR
|
1,619,000,000
EUR
|
6,102,000,000
EUR
|
4,483,000,000
EUR
|
4,483,000,000
EUR
|
— | — |
6,844,000,000
EUR
|
7,899,000,000
EUR
|
1,000,000
EUR
|
6,843,000,000
EUR
|
1,056,000,000
EUR
|
1,882,000,000
EUR
|
1,893,000,000
EUR
|
11,000,000
EUR
|
— |
1,892,000,000
EUR
|
1,000,000
EUR
|
| Other comprehensive income | — | — | — | — |
2 044,3
EUR
|
— | — |
2 081,3
EUR
|
— | — | — | — | — | — | — | — |
1 541,8
EUR
|
— |
| Comprehensive income |
51,000,000
EUR
|
1 434,1
EUR
|
6,102,000,000
EUR
|
6 641,4
EUR
|
6 646,5
EUR
|
4 597,1
EUR
|
3 563,4
EUR
|
1 486,3
EUR
|
7,899,000,000
EUR
|
42,000,000
EUR
|
1 482,1
EUR
|
1 291,3
EUR
|
1,882,000,000
EUR
|
5 291,9
EUR
|
1 353,7
EUR
|
3 750,0
EUR
|
5 297,0
EUR
|
51,000,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — |
6 641,4
EUR
|
— | — |
1 482,1
EUR
|
— | — | — | — | — | — | — | — |
5 291,9
EUR
|
— |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — |
51,000,000
EUR
|
— | — |
42,000,000
EUR
|
— | — | — | — | — | — | — | — |
51,000,000
EUR
|
— |