Statement Of Changes In Equity [Abstract]

ASM International N.V. - Filing #5829993

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	3,692,992,000 EUR	9,325,000 EUR	1,973,000 EUR	130,376,000 EUR	—	—	173,241,000 EUR	3,747,155,000 EUR	—	3,226,811,000 EUR	—	3,139,245,000 EUR	103,835,000 EUR	—	—	71,323,000 EUR	1,977,000 EUR	89,569,000 EUR	2,749,319,000 EUR	194,882,000 EUR	47,960,000 EUR	2,507,949,000 EUR	3,446,000 EUR	1,974,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	—	—	—	—	685,734,000 EUR	685,734,000 EUR	—	—	752,073,000 EUR	—	—	—	—	752,073,000 EUR	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	69,406,000 EUR	—	—	—	—	—	—	69,406,000 EUR	—	—	91,047,000 EUR	—	91,047,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	69,406,000 EUR	—	—	—	—	—	685,734,000 EUR	755,140,000 EUR	—	—	661,026,000 EUR	—	91,047,000 EUR	—	—	752,073,000 EUR	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	—	—	—	—	—	135,487,000 EUR	135,487,000 EUR	—	—	123,383,000 EUR	—	—	—	—	123,383,000 EUR	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	—	—	—	—	—	—	3,500,000 EUR	3,500,000 EUR	—	—	2,606,000 EUR	—	—	—	—	2,606,000 EUR	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	48,557,000 EUR	—	—	—	—	—	48,557,000 EUR	—	—	37,308,000 EUR	—	—	—	—	—	37,308,000 EUR	—	—	—	—	—	—	—	—	—