Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
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2023-01-01 to 2023-12-31 |
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2022-01-01 to 2022-12-31 |
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2022-01-01 to 2022-12-31 |
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2022-01-01 to 2022-12-31 |
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2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
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As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — |
3 226
CZK
|
— |
19 005
CZK
|
208,000,000
CZK
|
584,000,000
CZK
|
14,000,000
CZK
|
— | — |
214,000,000
CZK
|
— | — | — |
4,000,000
CZK
|
— |
128 284
CZK
|
— |
577,000,000
CZK
|
106 045
CZK
|
125 058
CZK
|
3,000,000
CZK
|
— | — | — | — | — | — | — | — | — | — |
291,000,000
CZK
|
596,000,000
CZK
|
124 676
CZK
|
— |
216,000,000
CZK
|
5,000,000
CZK
|
3 232
CZK
|
563,000,000
CZK
|
19 005
CZK
|
121 444
CZK
|
— | — | — |
8,000,000
CZK
|
577,000,000
CZK
|
101 785
CZK
|
— |
1 248
CZK
|
781,000,000
CZK
|
0
CZK
|
781,000,000
CZK
|
4,000,000
CZK
|
224,000,000
CZK
|
0
CZK
|
0
CZK
|
0
CZK
|
224,000,000
CZK
|
781,000,000
CZK
|
0
CZK
|
577,000,000
CZK
|
0
CZK
|
4,000,000
CZK
|
577,000,000
CZK
|
102 929
CZK
|
0
CZK
|
12,000,000
CZK
|
12,000,000
CZK
|
546,000,000
CZK
|
102 148
CZK
|
0
CZK
|
1 371
CZK
|
1 371
CZK
|
126 782
CZK
|
123 509
CZK
|
19 005
CZK
|
3 273
CZK
|
124 290
CZK
|
3 273
CZK
|
19 005
CZK
|
127 563
CZK
|
1 248
CZK
|
0
CZK
|
546,000,000
CZK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
207,000,000
CZK
|
— |
0
CZK
|
— | — | — | — |
0
CZK
|
0
CZK
|
— |
15 819
CZK
|
0
CZK
|
0
CZK
|
— |
0
CZK
|
— |
15 612
CZK
|
— | — | — | — |
0
CZK
|
0
CZK
|
15 612
CZK
|
0
CZK
|
0
CZK
|
0
CZK
|
17 622
CZK
|
0
CZK
|
0
CZK
|
0
CZK
|
— | — | — |
17 839
CZK
|
— | — | — | — | — | — |
17 622
CZK
|
217,000,000
CZK
|
0
CZK
|
— | — | — |
0
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
3,000,000
CZK
|
— |
0
CZK
|
— | — | — | — |
277,000,000
CZK
|
388,000,000
CZK
|
— |
638,000,000
CZK
|
2,000,000
CZK
|
9,000,000
CZK
|
— |
0
CZK
|
— |
641,000,000
CZK
|
— | — | — | — |
0
CZK
|
5,000,000
CZK
|
26,000,000
CZK
|
0
CZK
|
1,000,000
CZK
|
8,000,000
CZK
|
36,000,000
CZK
|
4,000,000
CZK
|
0
CZK
|
1 080
CZK
|
— | — | — |
1 759
CZK
|
— | — | — | — | — | — |
1 755
CZK
|
4,000,000
CZK
|
652,000,000
CZK
|
— | — | — |
0
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
210,000,000
CZK
|
— |
0
CZK
|
— | — | — | — |
277,000,000
CZK
|
388,000,000
CZK
|
— |
15 181
CZK
|
2,000,000
CZK
|
9,000,000
CZK
|
— |
0
CZK
|
— |
14 971
CZK
|
— | — | — | — |
0
CZK
|
5,000,000
CZK
|
15 638
CZK
|
0
CZK
|
1,000,000
CZK
|
8,000,000
CZK
|
17 586
CZK
|
4,000,000
CZK
|
0
CZK
|
1 080
CZK
|
— | — | — |
16 080
CZK
|
— | — | — | — | — | — |
15 867
CZK
|
213,000,000
CZK
|
652,000,000
CZK
|
— | — | — |
0
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
217,000,000
CZK
|
— |
0
CZK
|
— | — | — | — |
0
CZK
|
0
CZK
|
— |
11 700
CZK
|
0
CZK
|
0
CZK
|
— |
0
CZK
|
— |
11 483
CZK
|
— | — | — | — |
0
CZK
|
0
CZK
|
11 483
CZK
|
0
CZK
|
0
CZK
|
0
CZK
|
18 872
CZK
|
0
CZK
|
0
CZK
|
0
CZK
|
— | — | — |
19 127
CZK
|
— | — | — | — | — | — |
18 872
CZK
|
255,000,000
CZK
|
0
CZK
|
— | — | — |
0
CZK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |