Profit Or Loss [Abstract]

TP ICAP Group PLC - Filing #1596611

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	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	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Profit or loss [abstract]
Profit (loss) [abstract]
Revenue	—	—	—	—	—	—	—	—	—	—	1,8 6 5 GBP	—	1 , 794 GBP	—	—	—	—	—	—	—	—	—	—
Other income	—	—	—	—	—	—	—	—	—	—	10,000,000 GBP	—	16,000,000 GBP	—	—	—	—	—	—	—	—	—	—
Employee benefits expense	—	—	—	—	—	—	—	—	—	—	1 , 152 GBP	—	1, 153 GBP	—	—	—	—	—	—	—	—	—	—
Profit (loss) from operating activities	—	—	—	—	—	—	—	—	—	—	97,000,000 GBP	—	178,000,000 GBP	—	—	—	—	—	—	—	—	—	—
Finance income	—	—	—	—	—	—	—	—	—	—	3,000,000 GBP	—	3,000,000 GBP	—	—	—	—	—	—	—	—	—	—
Finance costs	—	—	—	—	—	—	—	—	—	—	76,000,000 GBP	—	52,000,000 GBP	—	—	—	—	—	—	—	—	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	—	—	—	—	—	—	—	—	—	7,000,000 GBP	—	16,000,000 GBP	—	—	—	—	—	—	—	—	—	—
Profit (loss) before tax	—	—	—	—	—	—	—	—	—	—	24,000,000 GBP	—	129,000,000 GBP	—	—	—	—	—	—	—	—	—	—
Tax expense (income)	—	—	—	—	—	—	—	—	—	—	23,000,000 GBP	—	4 8 GBP	—	—	—	—	—	—	—	—	—	—
Profit (loss)	3,000,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	5,000,000 GBP	– GBP	– GBP	8,000,000 GBP	5,000,000 GBP	97,000,000 GBP	– GBP	– GBP	96,000,000 GBP	– GBP	– GBP	– GBP	– GBP	1,000,000 GBP	– GBP	96,000,000 GBP
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	—	—	—	—	—	—	—	—	—	—	5,000,000 GBP	—	96,000,000 GBP	—	—	—	—	—	—	—	—	—	—
Profit (loss), attributable to non-controlling interests	—	—	—	—	—	—	—	—	—	—	3,000,000 GBP	—	1,000,000 GBP	—	—	—	—	—	—	—	—	—	—
Earnings per share [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Earnings per share [abstract]
Earnings per share [line items]
Basic earnings per share [abstract]
Basic earnings (loss) per share	—	—	—	—	—	—	—	—	—	—	0. 7	—	15. 4	—	—	—	—	—	—	—	—	—	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share	—	—	—	—	—	—	—	—	—	—	0. 7	—	0.152	—	—	—	—	—	—	—	—	—	—