Statement Of Comprehensive Income [Abstract]

RIT Capital Partners PLC - Filing #5624090

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	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	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31
Statement of comprehensive income [abstract]
Profit (loss)	– GBP	9,200,000 GBP	314 .2 GBP	9,200,000 GBP	314,200,000 GBP	– GBP	– GBP	– GBP	9,200,000 GBP	– GBP	305,000,000 GBP	314,200,000 GBP	66 .1 GBP	– GBP	2,900,000 GBP	69,000,000 GBP	2,900,000 GBP	69,000,000 GBP	– GBP	2,900,000 GBP	– GBP	– GBP	– GBP	69,000,000 GBP
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract]
Other comprehensive income, before tax, gains (losses) on revaluation of property, plant and equipment, right-of-use assets and intangible assets	– GBP	– GBP	300,000 GBP	—	—	– GBP	– GBP	– GBP	– GBP	300,000 GBP	300,000 GBP	– GBP	900,000 GBP	– GBP	– GBP	900,000 GBP	—	—	– GBP	– GBP	– GBP	0 .9 GBP	– GBP	– GBP
Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans	– GBP	300,000 GBP	– GBP	—	—	– GBP	– GBP	– GBP	300,000 GBP	– GBP	300,000 GBP	– GBP	400,000 GBP	– GBP	400,000 GBP	– GBP	—	—	– GBP	400,000 GBP	– GBP	– GBP	– GBP	– GBP
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract]
Income tax relating to remeasurements of defined benefit plans included in other comprehensive income	– GBP	100,000 GBP	– GBP	—	—	– GBP	– GBP	– GBP	100,000 GBP	– GBP	100,000 GBP	– GBP	200,000 GBP	– GBP	200,000 GBP	– GBP	—	—	– GBP	200,000 GBP	– GBP	– GBP	– GBP	– GBP
Comprehensive income	– GBP	9,000,000 GBP	314,500,000 GBP	—	—	– GBP	– GBP	– GBP	9,000,000 GBP	300,000 GBP	305. 5 GBP	314,200,000 GBP	66,800,000 GBP	– GBP	3,100,000 GBP	69,900,000 GBP	—	—	– GBP	3,100,000 GBP	– GBP	900,000 GBP	– GBP	69,000,000 GBP