Disclosure Of Income Tax [Text Block]

Elementis PLC - Filing #1868165

Concept	2022-01-01 to 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31
Disclosure of income tax [text block]	—	—	—	—		—	—	—	—	—	—	—	—	—	—	—
Major components of tax expense (income) [abstract]
Tax expense (income)	—	—	—	—	7,800,000 USD	—	—	—	—	—	—	—	—	—	400,000 USD	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to cash flow hedges included in other comprehensive income	– USD	—	– USD	– USD	800,000 USD	– USD	800,000 USD	– USD	—	– USD	– USD	– USD	– USD	– USD	400,000 USD	400,000 USD
Income tax relating to remeasurements of defined benefit plans included in other comprehensive income	– USD	—	– USD	– USD	5,300,000 USD	– USD	5,300,000 USD	– USD	—	– USD	– USD	– USD	– USD	– USD	14,600,000 USD	14,600,000 USD
Income tax relating to hedges of net investments in foreign operations included in other comprehensive income	– USD	—	– USD	– USD	2,800,000 USD	– USD	2,800,000 USD	– USD	—	– USD	– USD	– USD	– USD	– USD	1,800,000 USD	1,800,000 USD
Disclosure of temporary difference, unused tax losses and unused tax credits [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of temporary difference, unused tax losses and unused tax credits [abstract]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Deferred tax assets and liabilities [abstract]
Deferred tax assets	—	24,800,000 USD	—	—	—	—	—	—	28,000,000 USD	—	—	—	—	—	—	—
Deferred tax liabilities	—	131,300,000 USD	—	—	—	—	—	—	150,000,000 USD	—	—	—	—	—	—	—
Reconciliation of accounting profit multiplied by applicable tax rates [abstract]