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 |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
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 2019-12-31 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||
| Equity | — |
4 761,9
PLN
|
3,968,000,000
PLN
|
15,000,000
PLN
|
6 920,3
PLN
|
1 251,9
PLN
|
— | — |
9,050,000,000
PLN
|
— |
7 317,1
PLN
|
— | — | — |
8 463,2
PLN
|
3,883,000,000
PLN
|
— | — | — |
8 851,5
PLN
|
9,050,000,000
PLN
|
6 326,9
PLN
|
— |
206,000,000
PLN
|
— |
1 251,9
PLN
|
— | — |
8 408,4
PLN
|
8 044,4
PLN
|
5 939,6
PLN
|
1 251,9
PLN
|
9,050,000,000
PLN
|
3,640,000,000
PLN
|
521,000,000
PLN
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) |
1 537,4
PLN
|
— | — | — | — | — |
1 546,0
PLN
|
-
PLN
|
— |
-
PLN
|
— |
86,000,000
PLN
|
-
PLN
|
1 546,0
PLN
|
— | — |
6,289,000,000
PLN
|
6,289,000,000
PLN
|
207,000,000
PLN
|
— | — | — |
6,496,000,000
PLN
|
— |
-
PLN
|
— |
-
PLN
|
-
PLN
|
— | — | — | — | — | — | — |
| Other comprehensive income |
31,000,000
PLN
|
— | — | — | — | — |
189,000,000
PLN
|
221,000,000
PLN
|
— |
-
PLN
|
— |
1,000,000
PLN
|
-
PLN
|
32,000,000
PLN
|
— | — |
122,000,000
PLN
|
437,000,000
PLN
|
7,000,000
PLN
|
— | — | — |
129,000,000
PLN
|
— |
315,000,000
PLN
|
— |
-
PLN
|
-
PLN
|
— | — | — | — | — | — | — |
| Comprehensive income |
1 534,3
PLN
|
— | — | — | — | — |
1 564,9
PLN
|
221,000,000
PLN
|
— |
-
PLN
|
— |
85,000,000
PLN
|
-
PLN
|
1 542,8
PLN
|
— | — |
6,167,000,000
PLN
|
5,852,000,000
PLN
|
200,000,000
PLN
|
— | — | — |
6,367,000,000
PLN
|
— |
315,000,000
PLN
|
— |
-
PLN
|
-
PLN
|
— | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,008,000,000
PLN
|
2,008,000,000
PLN
|
-
PLN
|
— | — | — |
2,008,000,000
PLN
|
— |
-
PLN
|
— |
-
PLN
|
-
PLN
|
— | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
1,000,000
PLN
|
— | — | — | — | — |
1,000,000
PLN
|
-
PLN
|
— |
-
PLN
|
— |
-
PLN
|
-
PLN
|
1,000,000
PLN
|
— | — |
3,000,000
PLN
|
3,000,000
PLN
|
-
PLN
|
— | — | — |
3,000,000
PLN
|
— |
-
PLN
|
— |
-
PLN
|
-
PLN
|
— | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
32,000,000
PLN
|
32,000,000
PLN
|
43,000,000
PLN
|
— | — | — |
75,000,000
PLN
|
— |
-
PLN
|
— |
-
PLN
|
-
PLN
|
— | — | — | — | — | — | — |