Statement Of Comprehensive Income [Abstract]

IG Group Holdings PLC - Filing #4974232

Concept	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	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Statement of comprehensive income [abstract]
Profit (loss)	103,000,000.000 RUB	- RUB	- RUB	- RUB	- RUB	- RUB	63,471,000,000.000 RUB	63,368,000,000.000 RUB	63,471,000,000.000 RUB	44,209,000,000.000 RUB	- RUB	44,213,000,000.000 RUB	4,000,000.000 RUB	- RUB	44,209,000,000.000 RUB	- RUB	- RUB	- RUB
Other comprehensive income [abstract]
Other comprehensive income	- RUB	- RUB	- RUB	- RUB	14,980,000,000.000 RUB	- RUB	14,980,000,000.000 RUB	14,980,000,000.000 RUB	- RUB	- RUB	- RUB	2,147,000,000.000 RUB	- RUB	- RUB	2,147,000,000.000 RUB	2,147,000,000.000 RUB	- RUB	- RUB
Comprehensive income	103,000,000.000 RUB	- RUB	- RUB	- RUB	14,980,000,000.000 RUB	- RUB	48,491,000,000.000 RUB	48,388,000,000.000 RUB	63,471,000,000.000 RUB	44,209,000,000.000 RUB	- RUB	42,066,000,000.000 RUB	4,000,000.000 RUB	- RUB	42,062,000,000.000 RUB	2,147,000,000.000 RUB	- RUB	- RUB
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	—	48,491,000,000.000 RUB	—	—	—	42,062,000,000.000 RUB	—	—	—	—	—	—
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	—	—	103,000,000.000 RUB	—	—	—	4,000,000.000 RUB	—	—	—	—	—	—