Analysis Of Income And Expense [Abstract]

Imerys - Filing #883082

Concept	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	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Analysis of income and expense [abstract]
Revenue [abstract]
Interest income	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Interest income on cash and cash equivalents	—	—	—	—	—	—	—	26,000,000 EUR	27,000,000 EUR	—	—	—	—	—	—
Revenue	—	—	—	—	—	—	—	4 382,9 EUR	3 798,5 EUR	—	—	—	—	—	—
Material income and expense [abstract]
Gains (losses) on disposals of non-current assets [abstract]
Gains (losses) on disposals of non-current assets	—	—	—	—	—	—	—	5,000,000 EUR	50,000,000 EUR	—	—	—	—	—	—
Finance income (cost)	—	—	—	—	—	—	—	397,000,000 EUR	614,000,000 EUR	—	—	—	—	—	—
Other finance income (cost)	—	—	—	—	—	—	—	19,000,000 EUR	170,000,000 EUR	—	—	—	—	—	—
Other finance income	—	—	—	—	—	—	—	1,537,000,000 EUR	2,708,000,000 EUR	—	—	—	—	—	—
Other finance cost	—	—	—	—	—	—	—	1,556,000,000 EUR	2,878,000,000 EUR	—	—	—	—	—	—
Interest expense	—	—	—	—	—	—	—	366,000,000 EUR	422,000,000 EUR	—	—	—	—	—	—
Expenses by nature [abstract]
Raw materials and consumables used	—	—	—	—	—	—	—	1 495,6 EUR	1 292,9 EUR	—	—	—	—	—	—
Services expense	—	—	—	—	—	—	—	1 162,8 EUR	9,684,000,000 EUR	—	—	—	—	—	—
Classes of employee benefits expense [abstract]
Employee benefits expense	—	—	—	—	—	—	—	9,398,000,000 EUR	8,752,000,000 EUR	—	—	—	—	—	—
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss	—	—	—	—	—	—	—	3,239,000,000 EUR	3,423,000,000 EUR	—	—	—	—	—	—
Tax expense other than income tax expense	—	—	—	—	—	—	—	390,000,000 EUR	417,000,000 EUR	—	—	—	—	—	—
Miscellaneous other comprehensive income [abstract]
Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract]
Other comprehensive income, before tax, exchange differences on translation of foreign operations	—	—	—	—	—	—	—	528,000,000 EUR	2,150,000,000 EUR	—	—	—	—	—	—
Other comprehensive income, before tax, hedges of net investments in foreign operations	—	—	—	—	—	—	—	6,000,000 EUR	36,000,000 EUR	—	—	—	—	—	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	—	—	—	—	—	—	—	226,000,000 EUR	74,000,000 EUR	—	—	—	—	—	—
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss	—	—	—	—	—	—	—	132,000,000 EUR	4,000,000 EUR	—	—	—	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	14,000,000 EUR	2,401,000,000 EUR	378,000,000 EUR	783,000,000 EUR	1,787,000,000 EUR	626,000,000 EUR	4,188,000,000 EUR	4,202,000,000 EUR	2,059,000,000 EUR	2,136,000,000 EUR	301,000,000 EUR	97,000,000 EUR	2,059,000,000 EUR	321,000,000 EUR	2,360,000,000 EUR
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	—	4,188,000,000 EUR	2,059,000,000 EUR	—	—	—	—	—	—
Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract]
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	—	—	14,000,000 EUR	- EUR	—	—	—	—	—	—