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 |
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 |
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 |
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 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||
| Equity | — |
9,078,000
PLN
|
1,000,000
PLN
|
244,000,000
PLN
|
11,573,700
PLN
|
1,849,000,000
PLN
|
— | — |
1,069,000,000
PLN
|
2,228,300
PLN
|
— |
11,573,800
PLN
|
— | — | — | — |
12,715,300
PLN
|
— | — |
1,000,000
PLN
|
902,000,000
PLN
|
— | — |
12,715,400
PLN
|
2,228,300
PLN
|
10,415,500
PLN
|
— |
2,036,000,000
PLN
|
— |
1,849,000,000
PLN
|
— | — |
836,000,000
PLN
|
2,228,300
PLN
|
1,000,000
PLN
|
12,034,700
PLN
|
12,034,800
PLN
|
2,882,000,000
PLN
|
1,849,000,000
PLN
|
9,826,100
PLN
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
1,146,200
PLN
|
— | — | — | — | — |
1,146,200
PLN
|
-
PLN
|
— | — |
-
PLN
|
— |
-
PLN
|
-
PLN
|
-
PLN
|
1,146,200
PLN
|
— |
-
PLN
|
1,152,900
PLN
|
— | — |
1,152,900
PLN
|
-
PLN
|
— | — | — |
1,152,900
PLN
|
— |
-
PLN
|
— |
-
PLN
|
-
PLN
|
— | — | — | — | — | — | — | — |
| Other comprehensive income |
1,895,000,000
PLN
|
— | — | — | — | — |
64,000,000
PLN
|
1,792,000,000
PLN
|
— | — |
-
PLN
|
— |
167,000,000
PLN
|
-
PLN
|
-
PLN
|
1,895,000,000
PLN
|
— |
66,000,000
PLN
|
823,000,000
PLN
|
— | — |
89,000,000
PLN
|
-
PLN
|
— | — | — |
823,000,000
PLN
|
— |
846,000,000
PLN
|
— |
-
PLN
|
-
PLN
|
— | — | — | — | — | — | — | — |
| Comprehensive income |
9,567,000,000
PLN
|
— | — | — | — | — |
1,152,600
PLN
|
1,792,000,000
PLN
|
— | — |
-
PLN
|
— |
167,000,000
PLN
|
-
PLN
|
-
PLN
|
9,567,000,000
PLN
|
— |
66,000,000
PLN
|
1,235,200
PLN
|
— | — |
1,144,000
PLN
|
-
PLN
|
— | — | — |
1,235,200
PLN
|
— |
846,000,000
PLN
|
— |
-
PLN
|
-
PLN
|
— | — | — | — | — | — | — | — |