Disclosure Of Entity's Operating Segments [Text Block]

United Utilities Group PLC - Filing #5038065

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	As at 2022-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	2020-04-01 to 2021-03-31	As at 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	—	—	—	—	1,862,700,000 GBP	—	—	—	—	—	—	1,808,000,000 GBP
Depreciation and amortisation expense	—	—	—	—	418,200,000 GBP	—	—	—	—	—	—	422,300,000 GBP
Tax expense (income)	—	—	—	—	496,700,000 GBP	—	—	—	—	—	—	97,600,000 GBP
Profit (loss) before tax	—	—	—	—	439,900,000 GBP	—	—	—	—	—	—	551,000,000 GBP
Profit (loss)	– GBP	56,800,000 GBP	– GBP	– GBP	56,800,000 GBP	—	– GBP	– GBP	– GBP	—	453,400,000 GBP	453,400,000 GBP
Assets	—	—	—	—	—	14,437,000,000 GBP	—	—	—	14,179,100,000 GBP	—	—
Liabilities	—	—	—	—	—	11,479,600,000 GBP	—	—	—	11,148,100,000 GBP	—	—
Cash flows from (used in) operating activities	—	—	—	—	934,400,000 GBP	—	—	—	—	—	—	859,400,000 GBP
Cash flows from (used in) investing activities	—	—	—	—	639,700,000 GBP	—	—	—	—	—	—	549,300,000 GBP
Cash flows from (used in) financing activities	—	—	—	—	809,700,000 GBP	—	—	—	—	—	—	89,700,000 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]