Disclosure Of Entity's Operating Segments [Text Block]

Severn Trent PLC - Filing #1737782

Concept	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31
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	—	—	– GBP	1,943,300,000 GBP	—	—	1,943,300,000 GBP	—	1,827,200,000 GBP	– GBP	—	—	—	1,827,200,000 GBP
Tax expense (income)	—	—	294,400,000 GBP	66,900,000 GBP	—	—	361,300,000 GBP	—	55,000,000 GBP	– GBP	—	—	—	55,000,000 GBP
Profit (loss) before tax	—	—	2,100,000 GBP	276,200,000 GBP	—	—	274,100,000 GBP	—	274,200,000 GBP	7,000,000 GBP	—	—	—	267,200,000 GBP
Profit (loss)	– GBP	87,200,000 GBP	296,500,000 GBP	209,300,000 GBP	– GBP	– GBP	87,200,000 GBP	– GBP	219,200,000 GBP	7,000,000 GBP	– GBP	– GBP	212,200,000 GBP	212,200,000 GBP
Cash flows from (used in) operating activities	—	—	—	—	—	—	890,500,000 GBP	—	—	—	—	—	—	878,500,000 GBP
Cash flows from (used in) investing activities	—	—	—	—	—	—	648,200,000 GBP	—	—	—	—	—	—	631,200,000 GBP
Cash flows from (used in) financing activities	—	—	—	—	—	—	178,600,000 GBP	—	—	—	—	—	—	251,900,000 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]