Disclosure Of Entity's Operating Segments [Text Block]

Direct Line Insurance Group PLC - Filing #3490597

Concept	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	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	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 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	2020-01-01 to 2020-12-31
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)	—	—	—	—	—	—	—	—	102,300,000 GBP	—	—	84,200,000 GBP	—	—	—	—	—	—	—	—
Profit (loss) before tax	—	—	—	—	—	—	—	—	446,000,000 GBP	—	—	451,400,000 GBP	—	—	—	—	—	—	—	—
Profit (loss)	— GBP	343,700,000 GBP	—	— GBP	— GBP	— GBP	— GBP	— GBP	343,700,000 GBP	343,700,000 GBP	— GBP	367,200,000 GBP	— GBP	— GBP	— GBP	367,200,000 GBP	—	— GBP	— GBP	367,200,000 GBP
Assets	—	—	9,308,600,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	9,622,300,000 GBP	—	—	—
Liabilities	—	—	6,411,900,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	6,576,100,000 GBP	—	—	—
Cash flows from (used in) operating activities	—	—	—	—	—	—	—	—	439,000,000 GBP	—	—	584,700,000 GBP	—	—	—	—	—	—	—	—
Cash flows from (used in) investing activities	—	—	—	—	—	—	—	—	138,700,000 GBP	—	—	161,000,000 GBP	—	—	—	—	—	—	—	—
Cash flows from (used in) financing activities	—	—	—	—	—	—	—	—	572,000,000 GBP	—	—	151,800,000 GBP	—	—	—	—	—	—	—	—