Description of reverse stock splits significant change in shares issued and outstanding.

No definition available.

Name:	SMX_DescriptionOfReverseStockSplitsSignificantChangeInSharesIssuedAndOutstanding
Namespace Prefix:	SMX_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Interim Condensed Consolidated Statements of Comprehensive Loss (Parenthetical)	Nov. 18, 2025	Oct. 23, 2025	Aug. 07, 2025	Jun. 16, 2025	Jan. 15, 2025	Jul. 15, 2024	Aug. 21, 2023
IfrsStatementLineItems [Line Items]
Reverse share splits	1-for-8	1-for-10.89958	1-for-7	1-for-4.1	1-for-28.5	1-for-75	1-for-22
Potential ordinary share transactions [member]
IfrsStatementLineItems [Line Items]
Reverse share splits	1-for-8	1-for-10.89958	1-for-7	1-for-4.1	1-for-28.5,