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 |
|---|---|---|---|
| Corporate information and statement of IFRS compliance [abstract] | |||
| Name of reporting entity or other means of identification |
Johnson Matthey plc
|
— | — |
| Domicile of entity |
England
|
— | — |
| Legal form of entity |
|
— | — |
| Country of incorporation |
England and
|
— | — |
| Address of entity's registered office |
5
|
— | — |
| Description of nature of entity's operations and principal activities |
Common customers and partners
|
— | — |
| 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 | — |
1,549,000,000
GBP
|
1,814,000,000
GBP
|