Corporate Information And Statement Of Ifrs Compliance [Abstract]
| Concept |
2021-04-01 to 2022-03-31 |
As at 2022-03-31 |
As at 2021-03-31 |
2020-04-01 to 2021-03-31 |
|---|---|---|---|---|
| Corporate information and statement of IFRS compliance [abstract] | ||||
| Name of reporting entity or other means of identification |
United Utilities
|
— | — | — |
| Domicile of entity |
E
|
— | — | — |
| Country of incorporation |
E
|
— | — | — |
| Address of entity's registered office |
United Utilities Group PLC
|
— | — | — |
| Principal place of business |
Nor
|
— | — | — |
| Description of nature of entity's operations and principal activities |
Our purpose is to
|
— | — | — |
| Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [text block] | — | — | — | — |
| Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [abstract] | ||||
| Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items] | ||||
| Current inventories | — |
17,800,000
GBP
|
18,300,000
GBP
|
— |
| Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners per share |
0.4350
|
— | — |
0.4324
|