Analysis Of Income And Expense [Abstract]

TP ICAP Group PLC - Filing #5908340

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	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	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue	—	—	—	—	—	—	2,253,000,000 GBP	—	—	—	2, 191 GBP	—	—	—	—	—	—	—	—	—
Material income and expense [abstract]
Selling, general and administrative expense [abstract]
General and administrative expense	—	—	—	—	—	—	502,000,000 GBP	—	—	—	507,000,000 GBP	—	—	—	—	—	—	—	—	—
Operating expense	—	—	—	—	—	—	2, 028 GBP	—	—	—	2, 081 GBP	—	—	—	—	—	—	—	—	—
Expenses by nature [abstract]
Classes of employee benefits expense [abstract]
Employee benefits expense	—	—	—	—	—	—	1,404,000,000 GBP	—	—	—	1 ,360 GBP	—	—	—	—	—	—	—	—	—
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation and amortisation expense [abstract]
Depreciation expense	—	—	—	—	—	—	42,000,000 GBP	—	—	—	45,000,000 GBP	—	—	—	—	—	—	—	—	—
Amortisation expense	—	—	—	—	—	—	72,000,000 GBP	—	—	—	72,000,000 GBP	—	—	—	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [abstract]
Disclosure of attribution of expenses by nature to their function [line items]
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	—	—	—	—	—	19,000,000 GBP	—	—	—	20,000,000 GBP	—	—	—	—	—	—	—	—	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	—	—	—	—	—	—	– GBP	—	—	—	16,000,000 GBP	—	—	—	—	—	—	—	—	—
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss	—	—	—	—	—	—	– GBP	—	—	—	2,000,000 GBP	—	—	—	—	—	—	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	– GBP	165,000,000 GBP	– GBP	167,000,000 GBP	5,000,000 GBP	3,000,000 GBP	1 68 GBP	7,000,000 GBP	– GBP	– GBP	25,000,000 GBP	– GBP	24,000,000 GBP	1,000,000 GBP	104,000,000 GBP	– GBP	– GBP	– GBP	– GBP	80,000,000 GBP
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	168,000,000 GBP	—	—	—	24,000,000 GBP	—	—	—	—	—	—	—	—	—
Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract]
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	—	– GBP	—	—	—	1,000,000 GBP	—	—	—	—	—	—	—	—	—