Statement Of Changes In Equity [Abstract]

STV GROUP PLC - Filing #6769803

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	—	—	200,000 GBP	316,000,000 GBP	—	115,100,000 GBP	23,300,000 GBP	11,000,000 GBP	—	—	1,900,000 GBP	—	2,100,000 GBP	—	173,400,000 GBP	12,900,000 GBP	—	—	—	12,600,000 GBP	—	—	—	321,900,000 GBP	—	200,000 GBP	2,400,000 GBP	—	—	5,100,000 GBP	115,100,000 GBP	—	23,300,000 GBP	—	173,400,000 GBP	7,500,000 GBP	—	—	9,200,000 GBP	1,800,000 GBP	300,000 GBP	115,100,000 GBP	200,000 GBP	322,700,000 GBP	23,300,000 GBP	173,400,000 GBP	8,900,000 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	– GBP	10,800,000 GBP	– GBP	– GBP	—	—	– GBP	—	—	—	10,800,000 GBP	2,300,000 GBP	—	13,100,000 GBP	—	– GBP	—	—	15,600,000 GBP	2,500,000 GBP	5,300,000 GBP	—	4,500,000 GBP	– GBP	– GBP	—	800,000 GBP	—	—	4,500,000 GBP	– GBP	—	—	– GBP	—	– GBP	—	—	13,800,000 GBP	8,500,000 GBP	—	—	—	—	—	—	—	—	—
Other comprehensive income	– GBP	200,000 GBP	– GBP	– GBP	—	—	– GBP	—	—	—	200,000 GBP	– GBP	—	200,000 GBP	—	– GBP	—	—	—	—	1,500,000 GBP	—	1,500,000 GBP	– GBP	– GBP	—	– GBP	—	—	1,500,000 GBP	– GBP	—	—	– GBP	—	– GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	– GBP	10,600,000 GBP	– GBP	– GBP	—	—	– GBP	—	—	—	10,600,000 GBP	2,300,000 GBP	—	12,900,000 GBP	—	– GBP	—	—	—	—	6,800,000 GBP	—	6,000,000 GBP	– GBP	– GBP	—	800,000 GBP	—	—	6,000,000 GBP	– GBP	—	—	– GBP	—	– GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	– GBP	– GBP	– GBP	– GBP	—	—	– GBP	—	—	—	– GBP	7,600,000 GBP	—	7,600,000 GBP	—	– GBP	—	—	—	—	5,400,000 GBP	—	– GBP	– GBP	– GBP	—	5,400,000 GBP	—	—	– GBP	– GBP	—	—	—	—	– GBP	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	300,000 GBP	100,000 GBP	– GBP	– GBP	—	—	– GBP	—	—	—	400,000 GBP	– GBP	—	100,000 GBP	—	– GBP	—	—	—	—	600,000 GBP	—	600,000 GBP	600,000 GBP	– GBP	—	– GBP	—	—	– GBP	– GBP	—	—	– GBP	—	– GBP	—	—	—	—	—	—	—	—	—	—	—	—	—