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Cover - shares
 9 Months Ended
Sep. 30, 2025
Nov. 07, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2025  
Document Transition Report false  
Entity File Number 001-42812  
Registrant Name Solstice Advanced Materials Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 33-2919563  
Entity Address, Address Line One 115 Tabor Rd  
Entity Address, City or Town Morris Plains  
Entity Address, State or Province NJ  
Entity Address, Postal Zip Code 07950-2546  
City Area Code 973  
Local Phone Number 370-8188  
Title of 12(b) Security Common Stock, par value $0.01 per share  
Trading Symbol SOLS  
Security Exchange Name NASDAQ  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   158,727,456
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Central Index Key 0002064953  
Current Fiscal Year End Date --12-31