Disclosure Of Entity's Operating Segments [Text Block]

Direct Line Insurance Group PLC - Filing #2024748

Concept	2023-01-01 to 2023-12-31	As at 2023-12-31	2022-01-01 to 2023-12-31	2022-01-01 to 2023-12-31	2022-01-01 to 2023-12-31	2022-01-01 to 2023-12-31	2022-01-01 to 2023-12-31	2022-01-01 to 2023-12-31	2022-01-01 to 2023-12-31	2022-01-01 to 2023-12-31	2022-01-01 to 2023-12-31	2022-01-01 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	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 2022-01-01
Disclosure of entity's operating segments [text block]		—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of operating segments [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of operating segments [abstract]
Disclosure of operating segments [line items]
Tax expense (income)	54,500,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	69,900,000 GBP	—	—	—	—	—	—	—	—
Profit (loss) before tax	277,400,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	301,800,000 GBP	—	—	—	—	—	—	—	—
Profit (loss)	—	—	— GBP	222,900,000 GBP	222,900,000 GBP	— GBP	— GBP	— GBP	— GBP	— GBP	— GBP	222,900,000 GBP	—	— GBP	— GBP	231,900,000 GBP	231,900,000 GBP	— GBP	— GBP	— GBP	— GBP	231,900,000 GBP	— GBP	—
Assets	—	8,417,200,000 GBP	—	—	—	—	—	—	—	—	—	—	7,423,700,000 GBP	—	—	—	—	—	—	—	—	—	—	8,382,700,000 GBP
Liabilities	—	6,012,500,000 GBP	—	—	—	—	—	—	—	—	—	—	5,231,900,000 GBP	—	—	—	—	—	—	—	—	—	—	5,585,600,000 GBP
Cash flows from (used in) operating activities	404,900,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	800,200,000 GBP	—	—	—	—	—	—	—	—
Cash flows from (used in) investing activities	398,300,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	100,800,000 GBP	—	—	—	—	—	—	—	—
Cash flows from (used in) financing activities	51,800,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	657,500,000 GBP	—	—	—	—	—	—	—	—