Disclosure Of Fair Value Measurement [Text Block]

Direct Line Insurance Group PLC - Filing #2024748

Concept	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	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	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-01-01	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	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	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	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	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31
Disclosure of fair value measurement [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of assets [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of assets [abstract]
Disclosure of fair value measurement of assets [line items]
Assets	8,417,200,000 GBP	—	—	—	—	—	—	—	—	—	7,423,700,000 GBP	—	—	—	—	—	—	—	—	—	8,382,700,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Reconciliation of changes in fair value measurement, assets [abstract]
Disclosure of fair value measurement of liabilities [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of liabilities [abstract]
Disclosure of fair value measurement of liabilities [line items]
Liabilities	6,012,500,000 GBP	—	—	—	—	—	—	—	—	—	5,231,900,000 GBP	—	—	—	—	—	—	—	—	—	5,585,600,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Reconciliation of changes in fair value measurement, liabilities [abstract]
Disclosure of fair value measurement of equity [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of equity [abstract]
Disclosure of fair value measurement of equity [line items]
Equity	2,404,700,000 GBP	484,700,000 GBP	346,500,000 GBP	3,600,000 GBP	— GBP	143,100,000 GBP	200,000 GBP	29,900,000 GBP	2,058,200,000 GBP	1,456,900,000 GBP	2,191,800,000 GBP	283,400,000 GBP	39,000,000 GBP	143,100,000 GBP	346,500,000 GBP	— GBP	1,845,300,000 GBP	— GBP	900,000 GBP	1,456,900,000 GBP	2,797,100,000 GBP	41,400,000 GBP	1,454,800,000 GBP	890,800,000 GBP	1,454,800,000 GBP	3,500,000 GBP	41,400,000 GBP	2,896,700,000 GBP	— GBP	2,797,100,000 GBP	— GBP	7,500,000 GBP	346,500,000 GBP	346,500,000 GBP	1,500,000 GBP	— GBP	— GBP	— GBP	— GBP	— GBP	— GBP	— GBP	— GBP	— GBP	4,000,000 GBP	7,500,000 GBP	3,500,000 GBP	300,000 GBP	— GBP	96,100,000 GBP	2,550,200,000 GBP	96,100,000 GBP	300,000 GBP	982,900,000 GBP	145,200,000 GBP	— GBP	— GBP	2,450,600,000 GBP	96,100,000 GBP	145,200,000 GBP	1,500,000 GBP
Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract]