v3.25.2
Cover - shares
6 Months Ended
Jun. 30, 2025
Aug. 14, 2025
Cover [Abstract]    
Entity Registrant Name SENTINEL HOLDINGS LTD  
Entity Central Index Key 0000889353  
Document Type 10-Q  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Small Business true  
Entity Shell Company false  
Entity Emerging Growth Company false  
Entity Current Reporting Status No  
Document Period End Date Jun. 30, 2025  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2025  
Entity Common Stock Shares Outstanding   9,591,429
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 333-282424  
Entity Incorporation State Country Code NV  
Entity Tax Identification Number 95-4363944  
Entity Address Address Line 1 9360 South 300 West  
Entity Address Address Line 2 #101  
Entity Address City Or Town Sandy  
Entity Address State Or Province UT  
Entity Address Postal Zip Code 84070  
City Area Code 702  
Local Phone Number 237-6834  
Entity Interactive Data Current Yes