Statement Of Changes In Equity [Abstract]

Trainline PLC - Filing #6048584

Concept	As at 2025-02-28	2024-03-01 to 2025-02-28	As at 2025-02-28	As at 2025-02-28	2024-03-01 to 2025-02-28	2024-03-01 to 2025-02-28	2024-03-01 to 2025-02-28	2024-03-01 to 2025-02-28	As at 2025-02-28	2024-03-01 to 2025-02-28	As at 2025-02-28	As at 2025-02-28	2023-03-01 to 2024-02-29	As at 2024-02-29	As at 2024-02-29	2023-03-01 to 2024-02-29	2023-03-01 to 2024-02-29	As at 2024-02-29	2023-03-01 to 2024-02-29	2023-03-01 to 2024-02-29	As at 2024-02-29	As at 2024-02-29	As at 2024-02-29	2023-03-01 to 2024-02-29	As at 2023-02-28	As at 2023-02-28	As at 2023-02-28	As at 2023-02-28	As at 2023-02-28	As at 2023-02-28
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	1,387,481,000 GBP	—	1,285,000 GBP	1,110,474,000 GBP	—	—	—	—	282,747,000 GBP	—	4,455,000 GBP	– GBP	—	1,417,798,000 GBP	2,232,000 GBP	—	—	1,112,724,000 GBP	—	—	312,016,000 GBP	4,710,000 GBP	– GBP	—	290,644,000 GBP	1,128,978,000 GBP	3,328,000 GBP	212,784,000 GBP	1,198,703,000 GBP	4,807,000 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	– GBP	—	—	58,348,000 GBP	– GBP	– GBP	58,348,000 GBP	—	– GBP	—	—	– GBP	—	—	– GBP	33,986,000 GBP	—	33,986,000 GBP	– GBP	—	—	—	– GBP	—	—	—	—	—	—
Other comprehensive income	—	– GBP	—	—	934,000 GBP	– GBP	– GBP	13,000 GBP	—	947,000 GBP	—	—	– GBP	—	—	1,096,000 GBP	17,000 GBP	—	1,079,000 GBP	– GBP	—	—	—	– GBP	—	—	—	—	—	—
Comprehensive income	—	—	—	—	57,414,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	32,907,000 GBP	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	19,808,000 GBP	—	—	19,808,000 GBP	– GBP	– GBP	– GBP	—	– GBP	—	—	– GBP	—	—	– GBP	– GBP	—	23,823,000 GBP	23,823,000 GBP	—	—	—	– GBP	—	—	—	—	—	—