Disclosure Of First-Time Adoption [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	As at 2022-03-31	As at 2022-03-31	As at 2022-03-31	2021-04-01 to 2022-03-31	As at 2022-03-31	As at 2022-03-31	As at 2021-03-31	As at 2021-03-31	As at 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	As at 2021-03-31	As at 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	As at 2020-03-31	As at 2020-03-31	As at 2020-03-31	As at 2020-03-31	As at 2020-03-31
Disclosure of first-time adoption [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of comparative information prepared under previous GAAP [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of comparative information prepared under previous GAAP [abstract]
Disclosure of comparative information prepared under previous GAAP [line items]
Equity	—	—	—	—	—	—	248,100,000 GBP	394,400,000 GBP	473,000,000 GBP	—	1,263,900,000 GBP	148,400,000 GBP	651,700,000 GBP	148,100,000 GBP	1,138,700,000 GBP	—	—	237,200,000 GBP	101,700,000 GBP	—	—	—	—	—	67,900,000 GBP	1,243,700,000 GBP	137,000,000 GBP	236,500,000 GBP	802,300,000 GBP
Comprehensive income	– GBP	62,600,000 GBP	—	—	46,700,000 GBP	– GBP	—	—	—	109,300,000 GBP	—	—	—	—	—	—	—	—	—	33,800,000 GBP	114,800,000 GBP	– GBP	– GBP	81,000,000 GBP	—	—	—	—	—
Profit (loss)	– GBP	87,200,000 GBP	296,500,000 GBP	209,300,000 GBP	– GBP	– GBP	—	—	—	87,200,000 GBP	—	—	—	—	—	219,200,000 GBP	7,000,000 GBP	—	—	– GBP	212,200,000 GBP	– GBP	– GBP	212,200,000 GBP	—	—	—	—	—