Financial Instruments and Risk Management (Details) - MYR (RM)	6 Months Ended	12 Months Ended
Jun. 30, 2026	Dec. 31, 2025
Financial Instruments and Risk Management [Abstract]
Increase or decrease to report interest rate risk	RM 10,890	RM 15,098

The amount of increase or decrease to report interest rate risk.

No definition available.

Name:	sagt_IncreaseOrDecreaseToReportInterestRateRisk
Namespace Prefix:	sagt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration