Statement Of Changes In Equity [Abstract]
| Concept |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — |
7 732,1
EUR
|
109,000,000
EUR
|
52,000,000
EUR
|
— | — |
538,000,000
EUR
|
7 380,1
EUR
|
— | — |
1,348,000,000
EUR
|
— |
4,637,000,000
EUR
|
376,000,000
EUR
|
496,000,000
EUR
|
— |
7 391,0
EUR
|
— | — |
1,003,000,000
EUR
|
— | — | — |
6 568,1
EUR
|
— | — |
78,000,000
EUR
|
1,330,000,000
EUR
|
1,387,000,000
EUR
|
— | — |
6 575,9
EUR
|
496,000,000
EUR
|
6 917,0
EUR
|
1,003,000,000
EUR
|
— |
5,088,000,000
EUR
|
— |
495,000,000
EUR
|
— |
538,000,000
EUR
|
— | — | — |
880,000,000
EUR
|
496,000,000
EUR
|
5 469,8
EUR
|
4,652,000,000
EUR
|
49,000,000
EUR
|
5 474,7
EUR
|
1,003,000,000
EUR
|
523,000,000
EUR
|
538,000,000
EUR
|
5 792,6
EUR
|
970,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
1 389,6
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— | — |
1 385,4
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
— |
-
EUR
|
41,000,000
EUR
|
— |
-
EUR
|
1 385,4
EUR
|
-
EUR
|
— |
-
EUR
|
1 528,2
EUR
|
— | — | — |
1 528,2
EUR
|
70,000,000
EUR
|
— | — | — | — |
1 535,3
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
501,000,000
EUR
|
— | — | — |
18,000,000
EUR
|
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
— |
547,000,000
EUR
|
— | — | — |
-
EUR
|
— |
1,011,000,000
EUR
|
19,000,000
EUR
|
— |
-
EUR
|
482,000,000
EUR
|
360,000,000
EUR
|
— |
494,000,000
EUR
|
162,000,000
EUR
|
— | — | — |
-
EUR
|
7,000,000
EUR
|
— | — | — | — |
169,000,000
EUR
|
— |
-
EUR
|
— |
28,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
1 339,4
EUR
|
— | — | — |
18,000,000
EUR
|
-
EUR
|
— | — |
1 385,4
EUR
|
-
EUR
|
— |
547,000,000
EUR
|
— | — | — |
-
EUR
|
— |
1,011,000,000
EUR
|
22,000,000
EUR
|
— |
-
EUR
|
1 337,2
EUR
|
360,000,000
EUR
|
— |
494,000,000
EUR
|
1 544,4
EUR
|
— | — | — |
1 528,2
EUR
|
77,000,000
EUR
|
— | — | — | — |
1 552,2
EUR
|
— |
-
EUR
|
— |
28,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
4,896,000,000
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— | — |
4,851,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
— |
-
EUR
|
45,000,000
EUR
|
— |
-
EUR
|
4,851,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
4,826,000,000
EUR
|
— | — | — |
4,826,000,000
EUR
|
40,000,000
EUR
|
— | — | — | — |
4,866,000,000
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
75,000,000
EUR
|
— | — | — |
-
EUR
|
— | — | — |
22,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
— |
-
EUR
|
54,000,000
EUR
|
— |
-
EUR
|
22,000,000
EUR
|
-
EUR
|
— |
13,000,000
EUR
|
22,000,000
EUR
|
— | — | — |
35,000,000
EUR
|
8,000,000
EUR
|
— | — | — | — |
30,000,000
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
1,213,000,000
EUR
|
— | — | — |
-
EUR
|
451,000,000
EUR
|
— | — |
1,664,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
— |
-
EUR
|
1,213,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
489,000,000
EUR
|
— | — | — |
54,000,000
EUR
|
-
EUR
|
— | — | — | — |
489,000,000
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
-
EUR
|
435,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
790,000,000
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— | — |
790,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
— |
-
EUR
|
790,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
877,000,000
EUR
|
— | — | — |
877,000,000
EUR
|
-
EUR
|
— | — | — | — |
877,000,000
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |