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 |
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 |
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 |
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 |
2019-01-01 to 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 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-01-01 |
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 | — |
1,440,000,000
PLN
|
25,000,000
PLN
|
1 066,0
PLN
|
156,000,000
PLN
|
— |
231,000,000
PLN
|
9,295,000,000
PLN
|
— | — |
1 068,5
PLN
|
— | — | — | — | — | — |
9,203,000,000
PLN
|
8,294,000,000
PLN
|
22,000,000
PLN
|
286,000,000
PLN
|
— | — |
9,225,000,000
PLN
|
1,039,000,000
PLN
|
— |
9,225,000,000
PLN
|
156,000,000
PLN
|
— |
8,348,000,000
PLN
|
7,298,000,000
PLN
|
384,000,000
PLN
|
6,000,000
PLN
|
8,342,000,000
PLN
|
8,348,000,000
PLN
|
156,000,000
PLN
|
1,272,000,000
PLN
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||
| Profit (loss) |
1,507,000,000
PLN
|
— | — | — | — |
1,506,000,000
PLN
|
— | — |
0
PLN
|
0
PLN
|
— |
0
PLN
|
1,000,000
PLN
|
1,506,000,000
PLN
|
0
PLN
|
0
PLN
|
1,094,000,000
PLN
|
— | — | — | — |
1,094,000,000
PLN
|
2,000,000
PLN
|
— | — |
1,096,000,000
PLN
|
— | — |
0
PLN
|
— | — | — | — | — | — | — | — |
| Other comprehensive income |
6,000,000
PLN
|
— | — | — | — |
0
PLN
|
— | — |
51,000,000
PLN
|
0
PLN
|
— |
55,000,000
PLN
|
2,000,000
PLN
|
4,000,000
PLN
|
48,000,000
PLN
|
98,000,000
PLN
|
50,000,000
PLN
|
— | — | — | — |
0
PLN
|
1,000,000
PLN
|
— | — |
51,000,000
PLN
|
— | — |
0
PLN
|
— | — | — | — | — | — | — | — |
| Comprehensive income |
1,513,000,000
PLN
|
— | — | — | — |
1,506,000,000
PLN
|
— | — |
51,000,000
PLN
|
0
PLN
|
— |
55,000,000
PLN
|
3,000,000
PLN
|
1,510,000,000
PLN
|
48,000,000
PLN
|
98,000,000
PLN
|
1,144,000,000
PLN
|
— | — | — | — |
1,094,000,000
PLN
|
3,000,000
PLN
|
— | — |
1,147,000,000
PLN
|
— | — |
0
PLN
|
— | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
226,000,000
PLN
|
— | — | — | — |
226,000,000
PLN
|
— | — |
0
PLN
|
0
PLN
|
— |
0
PLN
|
0
PLN
|
226,000,000
PLN
|
0
PLN
|
0
PLN
|
304,000,000
PLN
|
— | — | — | — |
304,000,000
PLN
|
0
PLN
|
— | — |
304,000,000
PLN
|
— | — |
0
PLN
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
3,000,000
PLN
|
— | — | — | — |
0
PLN
|
— | — |
3,000,000
PLN
|
0
PLN
|
— |
0
PLN
|
0
PLN
|
3,000,000
PLN
|
0
PLN
|
0
PLN
|
1,000,000
PLN
|
— | — | — | — |
1,000,000
PLN
|
0
PLN
|
— | — |
1,000,000
PLN
|
— | — |
0
PLN
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
58,000,000
PLN
|
— | — | — | — |
0
PLN
|
— | — |
58,000,000
PLN
|
0
PLN
|
— |
0
PLN
|
0
PLN
|
58,000,000
PLN
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
0
PLN
|
0
PLN
|
31,000,000
PLN
|
— | — | — | — |
31,000,000
PLN
|
13,000,000
PLN
|
— | — |
18,000,000
PLN
|
— | — |
0
PLN
|
— | — | — | — | — | — | — | — |