Statement Of Changes In Equity [Abstract]
| Concept |
2020-01-01 to 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 |
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 |
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 |
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 |
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 |
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 |
2019-01-01 to 2019-12-31 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — |
5 043,7
EUR
|
448,000,000
EUR
|
— |
5 061,3
EUR
|
— |
1,326,000,000
EUR
|
— | — |
6,269,000,000
EUR
|
— | — |
4,421,000,000
EUR
|
9,540,000,000
EUR
|
— |
5 106,1
EUR
|
— | — | — | — | — |
5 208,7
EUR
|
— | — |
539,000,000
EUR
|
— | — |
5 262,6
EUR
|
8,633,000,000
EUR
|
4 653,2
EUR
|
— | — | — | — |
104,000,000
EUR
|
4,502,000,000
EUR
|
1,320,000,000
EUR
|
— | — | — |
146,000,000
EUR
|
146,000,000
EUR
|
-
EUR
|
-
EUR
|
3,538,000,000
EUR
|
-
EUR
|
4 561,9
EUR
|
4 003,5
EUR
|
7,663,000,000
EUR
|
1,314,000,000
EUR
|
639,000,000
EUR
|
360,000,000
EUR
|
1,314,000,000
EUR
|
7,663,000,000
EUR
|
3 967,5
EUR
|
-
EUR
|
3,538,000,000
EUR
|
4 589,9
EUR
|
639,000,000
EUR
|
360,000,000
EUR
|
4 625,9
EUR
|
4 526,0
EUR
|
360,000,000
EUR
|
-
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
4,855,000,000
EUR
|
— | — | — | — |
-
EUR
|
— |
4,910,000,000
EUR
|
-
EUR
|
— | — | — | — | — |
-
EUR
|
— | — |
55,000,000
EUR
|
-
EUR
|
4,910,000,000
EUR
|
— | — | — |
6,153,000,000
EUR
|
— |
6,153,000,000
EUR
|
90,000,000
EUR
|
— | — | — | — | — |
-
EUR
|
6,063,000,000
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
6,412,000,000
EUR
|
— | — |
40,000,000
EUR
|
— |
-
EUR
|
— |
-
EUR
|
6,373,000,000
EUR
|
— |
34,000,000
EUR
|
223,000,000
EUR
|
— | — |
-
EUR
|
— |
6,602,000,000
EUR
|
39,000,000
EUR
|
-
EUR
|
6,373,000,000
EUR
|
254,000,000
EUR
|
— |
148,000,000
EUR
|
41,000,000
EUR
|
— |
-
EUR
|
2,000,000
EUR
|
— | — | — |
-
EUR
|
65,000,000
EUR
|
41,000,000
EUR
|
39,000,000
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
1,557,000,000
EUR
|
— | — | — | — |
-
EUR
|
— |
4,910,000,000
EUR
|
6,373,000,000
EUR
|
— | — | — | — | — |
-
EUR
|
— | — |
94,000,000
EUR
|
-
EUR
|
1,463,000,000
EUR
|
— | — | — |
6,111,000,000
EUR
|
— |
6,153,000,000
EUR
|
88,000,000
EUR
|
— | — | — | — | — |
41,000,000
EUR
|
6,023,000,000
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
1,825,000,000
EUR
|
— | — | — | — |
-
EUR
|
— |
1,825,000,000
EUR
|
-
EUR
|
— | — | — | — | — |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
1,825,000,000
EUR
|
— | — | — |
1,688,000,000
EUR
|
— |
1,688,000,000
EUR
|
-
EUR
|
— | — | — | — | — |
-
EUR
|
1,688,000,000
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
333,000,000
EUR
|
— | — | — | — |
-
EUR
|
— |
332,000,000
EUR
|
-
EUR
|
— | — | — | — | — |
-
EUR
|
— | — |
1,000,000
EUR
|
-
EUR
|
332,000,000
EUR
|
— | — | — |
1,602,000,000
EUR
|
— |
1,602,000,000
EUR
|
14,000,000
EUR
|
— | — | — | — | — |
-
EUR
|
1,588,000,000
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
1,662,000,000
EUR
|
— | — | — | — |
81,000,000
EUR
|
— |
1,743,000,000
EUR
|
-
EUR
|
— | — | — | — | — |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
1,662,000,000
EUR
|
— | — | — |
1,338,000,000
EUR
|
— |
373,000,000
EUR
|
-
EUR
|
— | — | — | — | — |
-
EUR
|
1,338,000,000
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
965,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
1,765,000,000
EUR
|
— | — | — | — |
-
EUR
|
— |
1,757,000,000
EUR
|
-
EUR
|
— | — | — | — | — |
-
EUR
|
— | — |
8,000,000
EUR
|
-
EUR
|
1,757,000,000
EUR
|
— | — | — |
1,163,000,000
EUR
|
— |
1,163,000,000
EUR
|
2,000,000
EUR
|
— | — | — | — | — |
-
EUR
|
1,165,000,000
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |