Statement Of Changes In Equity [Abstract]

Aston Martin Lagonda Global Holdings PLC - Filing #3408995

Concept	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 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	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	6,600,000 GBP	662,400,000 GBP	9,300,000 GBP	—	—	660,400,000 GBP	—	6,700,000 GBP	—	—	—	—	—	143,900,000 GBP	1,123,400,000 GBP	—	2,700,000 GBP	11,600,000 GBP	18,600,000 GBP	—	—	—	503,100,000 GBP	10,900,000 GBP	16,300,000 GBP	—	11,500,000 GBP	—	—	144,000,000 GBP	—	400,000 GBP	1,108,200,000 GBP	—	—	—	804,100,000 GBP	—	—	6,600,000 GBP	—	9,300,000 GBP	—	14,100,000 GBP	400,000 GBP	6,600,000 GBP	– GBP	329,600,000 GBP	352,300,000 GBP	4 2.8 GBP	– GBP	2,300,000 GBP	2,100,000 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	2,300,000 GBP	—	—	—	– GBP	– GBP	—	– GBP	—	40,200,000 GBP	229,500,000 GBP	– GBP	– GBP	– GBP	—	—	– GBP	—	—	—	189,300,000 GBP	191. 6 GBP	4 10.5 GBP	—	—	—	– GBP	—	– GBP	4 19.3 GBP	—	– GBP	—	—	1 33.7 GBP	2 76.8 GBP	– GBP	—	– GBP	8,800,000 GBP	—	– GBP	—	– GBP	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	– GBP	—	—	—	– GBP	4,200,000 GBP	—	– GBP	—	—	—	– GBP	2,300,000 GBP	– GBP	—	—	– GBP	—	—	—	7,700,000 GBP	9,600,000 GBP	3 2.8 GBP	—	—	—	– GBP	—	– GBP	4 6.8 GBP	—	13,200,000 GBP	—	—	—	—	– GBP	—	800,000 GBP	– GBP	—	– GBP	—	– GBP	—	—	—	—	—	—	—	—	—	—
Comprehensive income	2,300,000 GBP	—	—	—	– GBP	4,200,000 GBP	—	– GBP	—	—	—	– GBP	2,300,000 GBP	– GBP	—	—	– GBP	—	—	—	181,600,000 GBP	182,000,000 GBP	4 43.3 GBP	—	—	—	– GBP	—	– GBP	4 66.1 GBP	—	13,200,000 GBP	—	—	—	—	– GBP	—	800,000 GBP	8,800,000 GBP	—	– GBP	—	– GBP	—	—	—	—	—	—	—	—	—	—
Issue of equity	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	918,600,000 GBP	—	—	—	– GBP	—	144,000,000 GBP	– GBP	—	– GBP	—	—	—	—	18,700,000 GBP	—	– GBP	– GBP	—	755,900,000 GBP	—	– GBP	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	—	—	—	– GBP	– GBP	—	– GBP	—	—	—	– GBP	– GBP	– GBP	—	—	– GBP	—	—	—	3,100,000 GBP	3,100,000 GBP	4,200,000 GBP	—	—	—	– GBP	—	– GBP	4,200,000 GBP	—	– GBP	—	—	—	—	– GBP	—	– GBP	– GBP	—	– GBP	—	– GBP	—	—	—	—	—	—	—	—	—	—