Disclosure Of Entity's Operating Segments [Text Block]

Serco Group PLC - Filing #2006913

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	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
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]
Revenue	4,873,800,000 GBP	—	— GBP	4,873,800,000 GBP	—	4,534,000,000 GBP	— GBP	4,534,000,000 GBP
Share of profit (loss) of associates and joint ventures accounted for using equity method	29,000,000 GBP	—	— GBP	29,000,000 GBP	—	12,000,000 GBP	— GBP	12,000,000 GBP
Tax expense (income)	44,600,000 GBP	—	6,200,000 GBP	50,800,000 GBP	—	41,800,000 GBP	6,100,000 GBP	47,900,000 GBP
Profit (loss) before tax	247,000,000 GBP	—	22,900,000 GBP	224,100,000 GBP	—	196,800,000 GBP	19,800,000 GBP	216,600,000 GBP
Profit (loss)	202,400,000 GBP	—	29,100,000 GBP	173,300,000 GBP	—	155,000,000 GBP	13,700,000 GBP	168,700,000 GBP
Assets	—	2,610,300,000 GBP	—	—	2,750,200,000 GBP	—	—	—
Liabilities	—	1,576,600,000 GBP	—	—	1,720,500,000 GBP	—	—	—
Cash flows from (used in) operating activities	393,100,000 GBP	—	—	—	—	327,200,000 GBP	—	—
Cash flows from (used in) investing activities	5,400,000 GBP	—	—	—	—	35,300,000 GBP	—	—
Cash flows from (used in) financing activities	347,900,000 GBP	—	—	—	—	436,800,000 GBP	—	—
Disclosure of products and services [text block]	—	—	—	—	—	—	—	—
Disclosure of products and services [abstract]
Disclosure of products and services [line items]
Disclosure of geographical areas [text block]	—	—	—	—	—	—	—	—
Disclosure of geographical areas [abstract]
Disclosure of geographical areas [line items]
Disclosure of major customers [text block]		—	—	—	—	—	—	—
Disclosure of major customers [abstract]
Disclosure of major customers [line items]