Statement Of Changes In Equity [Abstract]

RIT Capital Partners PLC - Filing #2007732

Concept	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 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	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	3,573,300,000 GBP	—	—	—	—	—	32,200,000 GBP	10,300,000 GBP	36,300,000 GBP	—	—	—	45,700,000 GBP	—	156,800,000 GBP	36,700,000 GBP	3,393,100,000 GBP	—	3,721 .7 GBP	—	—	—	—	9,400,000 GBP	—	—	—	—	—	—	—	45,700,000 GBP	36,300,000 GBP	29,100,000 GBP	46,300,000 GBP	156,800,000 GBP	—	3,548,900,000 GBP	23,000,000 GBP	4,1 7 4.4 GBP	1 1 .4 GBP	36,300,000 GBP	11. 5 GBP	4,390,300,000 GBP	45,700,000 GBP	1 56.8 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	– GBP	66,100,000 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	—	– GBP	– GBP	577 .2 GBP	1 4.3 GBP	—	– GBP	– GBP	562,900,000 GBP	14,300,000 GBP	14,300,000 GBP	562,900,000 GBP	562,900,000 GBP	—	—	—	—	—	– GBP	—	—	—	—	—	—	—	—	—
Comprehensive income	– GBP	66,800,000 GBP	—	3,100,000 GBP	69,900,000 GBP	—	—	– GBP	—	—	—	3,100,000 GBP	– GBP	900,000 GBP	—	– GBP	—	—	—	69,000,000 GBP	—	– GBP	– GBP	582,700,000 GBP	17 .7 GBP	—	2,100,000 GBP	– GBP	562,900,000 GBP	—	17 .7 GBP	565,000,000 GBP	—	—	—	—	—	—	– GBP	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	– GBP	56,700,000 GBP	—	—	—	—	—	– GBP	—	—	—	– GBP	– GBP	– GBP	—	– GBP	—	—	—	56,700,000 GBP	—	– GBP	– GBP	57 .6 GBP	– GBP	—	– GBP	– GBP	57 .6 GBP	—	—	—	—	—	—	—	—	—	– GBP	—	—	—	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	9,600,000 GBP	9,600,000 GBP	—	—	—	—	—	– GBP	—	—	—	– GBP	– GBP	– GBP	—	– GBP	—	—	—	– GBP	—	– GBP	23,300,000 GBP	23,300,000 GBP	– GBP	—	– GBP	– GBP	– GBP	—	—	—	—	—	—	—	—	—	– GBP	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	– GBP	5,000,000 GBP	—	—	—	—	—	– GBP	—	—	—	– GBP	– GBP	– GBP	—	– GBP	—	—	—	5,000,000 GBP	—	– GBP	– GBP	6,000,000 GBP	– GBP	—	– GBP	– GBP	6,000,000 GBP	—	—	—	—	—	—	—	—	—	– GBP	—	—	—	—	—	—	—	—	—