Statement Of Financial Position [Abstract]

IG Group Holdings PLC - Filing #2074508

Concept	As at 2024-05-31	As at 2024-05-31	As at 2024-05-31	As at 2024-05-31	As at 2024-05-31	As at 2024-05-31	As at 2024-05-31	As at 2023-05-31	As at 2023-05-31	As at 2023-05-31	As at 2023-05-31	As at 2023-05-31	As at 2023-05-31	As at 2023-05-31	As at 2022-05-31	As at 2022-05-31	As at 2022-05-31	As at 2022-05-31	As at 2022-05-31	As at 2022-05-31	As at 2022-05-31
Statement of financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	—	—	—	41. 8 GBP	—	—	—	—	—	3 6 .1 GBP	—	—	—	—	—	—	—	—	—
Goodwill	—	—	—	—	—	599. 0 GBP	—	—	—	—	—	6 11 . 0 GBP	—	—	—	—	—	—	—	—	—
Intangible assets other than goodwill	—	—	—	—	—	216 . 6 GBP	—	—	—	—	—	276 . 5 GBP	—	—	—	—	—	—	—	—	—
Current tax assets	—	—	—	—	—	10 . 3 GBP	—	—	—	—	—	8,800,000 GBP	—	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	—	—	24 .6 GBP	—	—	—	—	—	23,200,000 GBP	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	—	—	983 .2 GBP	—	—	—	—	—	798. 5 GBP	—	—	—	—	—	—	—	—	—
Assets	—	—	—	—	—	2,94 0.9 GBP	—	—	—	—	—	2,995 .2 GBP	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Retained earnings	—	—	—	—	—	1, 0 9 8 . 4 GBP	—	—	—	—	—	1 , 1 94. 9 GBP	—	—	—	—	—	—	—	—	—
Other reserves	—	—	—	—	—	22 . 9 GBP	—	—	—	—	—	16 . 9 GBP	—	—	—	—	—	—	—	—	—
Equity	22 . 9 GBP	98. 2 GBP	– GBP	12 5 . 8 GBP	59 0.0 GBP	1 ,889.5 GBP	1, 0 9 8 . 4 GBP	– GBP	16 . 9 GBP	1 ,1 9 4 . 9 GBP	12 0 . 8 GBP	2 , 014 . 6 GBP	1 25.8 GBP	59 0.0 GBP	59 0.0 GBP	117 . 6 GBP	– GBP	1 25.8 GBP	8,400,000 GBP	1 , 1 86.0 GBP	2 , 0 2 7. 8 GBP
Liabilities [abstract]
Current tax liabilities	—	—	—	—	—	8 .1 GBP	—	—	—	—	—	6 .1 GBP	—	—	—	—	—	—	—	—	—
Deferred tax liabilities	—	—	—	—	—	51. 3 GBP	—	—	—	—	—	6 0.8 GBP	—	—	—	—	—	—	—	—	—
Liabilities	—	—	—	—	—	1, 0 51. 4 GBP	—	—	—	—	—	98 0.6 GBP	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	—	—	—	2,94 0.9 GBP	—	—	—	—	—	2,995 .2 GBP	—	—	—	—	—	—	—	—	—