Statement Of Changes In Equity [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
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 |
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 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||
| Equity |
7,649,000,000
PLN
|
— | — | — | — | — | — |
12,611,000,000
PLN
|
40,000,000
PLN
|
6,000,000
PLN
|
54,000,000
PLN
|
269,000,000
PLN
|
22,000,000
PLN
|
12,609,000,000
PLN
|
2,000,000
PLN
|
832,000,000
PLN
|
3,937,000,000
PLN
|
— | — | — |
28,000,000
PLN
|
5,951,000,000
PLN
|
62,000,000
PLN
|
2,000,000
PLN
|
89,000,000
PLN
|
10,597,000,000
PLN
|
3,937,000,000
PLN
|
— |
832,000,000
PLN
|
— | — | — |
10,599,000,000
PLN
|
— |
10,555,000,000
PLN
|
3,937,000,000
PLN
|
2,000,000
PLN
|
10,557,000,000
PLN
|
832,000,000
PLN
|
5,875,000,000
PLN
|
20,000,000
PLN
|
50,000,000
PLN
|
59,000,000
PLN
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — |
1,672,000,000
PLN
|
— | — | — | — | — | — | — | — | — | — |
1,672,000,000
PLN
|
1,672,000,000
PLN
|
46,000,000
PLN
|
— | — | — | — | — | — | — |
46,000,000
PLN
|
— | — | — | — | — |
46,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
8,000,000
PLN
|
376,000,000
PLN
|
22,000,000
PLN
|
6,000,000
PLN
|
71,000,000
PLN
|
329,000,000
PLN
|
— | — | — | — | — | — | — | — | — | — |
329,000,000
PLN
|
— |
13,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
3,000,000
PLN
|
13,000,000
PLN
|
3,000,000
PLN
|
— |
13,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
8,000,000
PLN
|
376,000,000
PLN
|
22,000,000
PLN
|
6,000,000
PLN
|
71,000,000
PLN
|
2,001,000,000
PLN
|
— | — | — | — | — | — | — | — | — | — |
2,001,000,000
PLN
|
1,672,000,000
PLN
|
33,000,000
PLN
|
— | — | — | — | — | — | — |
46,000,000
PLN
|
— |
3,000,000
PLN
|
13,000,000
PLN
|
3,000,000
PLN
|
— |
33,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
27,000,000
PLN
|
— | — | — | — | — | — | — |
27,000,000
PLN
|
— | — | — | — | — |
27,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — | — | — |
26,000,000
PLN
|
— | — | — | — | — | — | — | — | — | — |
26,000,000
PLN
|
26,000,000
PLN
|
3,000,000
PLN
|
— | — | — | — | — | — | — |
3,000,000
PLN
|
— | — | — | — | — |
3,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
| Amount removed from reserve of cash flow hedges and included in initial cost or other carrying amount of non-financial asset (liability) or firm commitment for which fair value hedge accounting is applied | — | — |
18,000,000
PLN
|
— | — |
3,000,000
PLN
|
15,000,000
PLN
|
— | — | — | — | — | — | — | — | — | — |
15,000,000
PLN
|
— |
21,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
5,000,000
PLN
|
26,000,000
PLN
|
— | — |
21,000,000
PLN
|
— | — | — | — | — | — | — | — | — |