Statement Of Financial Position [Abstract]

Aperam S.A. - Filing #4417767

Concept	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31
Statement of financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	—	—	1,695,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1,492,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Inventories	—	—	—	—	2,332,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1,101,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	—	135,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	94,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	—	524,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	358,000,000 EUR	—	—	—	—	—	—	—	375,000,000 EUR	—	—	—	—	—
Assets	—	—	—	—	5,911,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	3,969,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	—	—	419,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	419,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Retained earnings	—	—	—	—	2,253,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1,424,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Treasury shares	—	—	—	—	106,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity attributable to owners of parent	—	—	—	—	2,945,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2,200,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Non-controlling interests	—	—	—	—	8,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity	106,000,000 EUR	2,253,000,000 EUR	7,000,000 EUR	1,097,000,000 EUR	2,953,000,000 EUR	— EUR	2,000,000 EUR	2,945,000,000 EUR	8,000,000 EUR	713,000,000 EUR	419,000,000 EUR	1,424,000,000 EUR	22,000,000 EUR	4,000,000 EUR	1,098,000,000 EUR	2,200,000,000 EUR	419,000,000 EUR	4,000,000 EUR	718,000,000 EUR	2,204,000,000 EUR	3,000,000 EUR	— EUR	20,000,000 EUR	2,414,000,000 EUR	4,000,000 EUR	463,000,000 EUR	1,189,000,000 EUR	2,418,000,000 EUR	— EUR	1,389,000,000 EUR	117,000,000 EUR	438,000,000 EUR	2,000,000 EUR
Liabilities [abstract]
Provisions [abstract]
Provisions for employee benefits	—	—	—	—	186,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	148,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax liabilities	—	—	—	—	132,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	117,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Liabilities	—	—	—	—	2,958,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1,765,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	—	—	5,911,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	3,969,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—