Statement Of Changes In Equity [Abstract]

Inchcape PLC - Filing #2012134

Concept	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	As at 2023-12-31	2023-01-01 to 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	As at 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	2023-01-01 to 2023-12-31	As at 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	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	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	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 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	As at 2021-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	1, 6 2 0 GBP	—	—	—	94 0 GBP	—	14 3 GBP	6 3 GBP	—	—	99,000,000 GBP	14 7 GBP	—	42,000,000 GBP	312,000,000 GBP	—	1, 5 2 1 GBP	1, 5 67 GBP	—	—	—	—	—	—	69,000,000 GBP	—	34,000,000 GBP	14 7 GBP	14 3 GBP	82 0 GBP	38,000,000 GBP	316,000,000 GBP	1, 5 3 3 GBP	—	—	1, 0 0 9 GBP	14 2 GBP	228,000,000 GBP	1 ,1 31 GBP	– GBP	1 ,1 0 9 GBP	14 7 GBP	22,000,000 GBP	39,000,000 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	283,000,000 GBP	—	270,000,000 GBP	– GBP	– GBP	—	13,000,000 GBP	—	—	270,000,000 GBP	– GBP	—	—	– GBP	—	—	– GBP	—	—	– GBP	– GBP	6,000,000 GBP	11,000,000 GBP	5,000,000 GBP	– GBP	—	– GBP	—	—	—	—	—	—	—	11,000,000 GBP	– GBP	—	—	—	—	—	—	—	—	—
Other comprehensive income	15 3 GBP	—	15 0 GBP	13 0 GBP	– GBP	—	3,000,000 GBP	—	—	2 0 GBP	– GBP	—	—	– GBP	—	—	– GBP	—	—	– GBP	294,000,000 GBP	288,000,000 GBP	12,000,000 GBP	6,000,000 GBP	– GBP	—	– GBP	—	—	—	—	—	—	—	282,000,000 GBP	– GBP	—	—	—	—	—	—	—	—	—
Comprehensive income	13 0 GBP	—	12 0 GBP	13 0 GBP	– GBP	—	10,000,000 GBP	—	—	25 0 GBP	– GBP	—	—	– GBP	—	—	– GBP	—	—	– GBP	2 94 GBP	282,000,000 GBP	23,000,000 GBP	11,000,000 GBP	– GBP	—	– GBP	—	—	—	—	—	—	—	2 71 GBP	– GBP	—	—	—	—	—	—	—	—	—
Issue of equity	– GBP	—	– GBP	– GBP	– GBP	—	– GBP	—	—	– GBP	– GBP	—	—	4,000,000 GBP	—	—	4,000,000 GBP	—	—	– GBP	– GBP	31 6 GBP	– GBP	– GBP	– GBP	—	316,000,000 GBP	—	—	—	—	—	—	—	316,000,000 GBP	– GBP	—	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	1,000,000 GBP	—	1,000,000 GBP	– GBP	– GBP	—	– GBP	—	—	1,000,000 GBP	– GBP	—	—	– GBP	—	—	– GBP	—	—	– GBP	– GBP	13,000,000 GBP	13,000,000 GBP	– GBP	– GBP	—	– GBP	—	—	—	—	—	—	—	13,000,000 GBP	– GBP	—	—	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	– GBP	—	3,000,000 GBP	– GBP	– GBP	—	3,000,000 GBP	—	—	3,000,000 GBP	– GBP	—	—	– GBP	—	—	– GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	15,000,000 GBP	—	15,000,000 GBP	– GBP	– GBP	—	– GBP	—	—	15,000,000 GBP	– GBP	—	—	– GBP	—	—	– GBP	—	—	– GBP	– GBP	10,000,000 GBP	10,000,000 GBP	– GBP	– GBP	—	– GBP	—	—	—	—	—	—	—	10,000,000 GBP	– GBP	—	—	—	—	—	—	—	—	—