XML 11 R1.htm IDEA: XBRL DOCUMENT v3.25.3
Cover Page - shares
 6 Months Ended
Sep. 30, 2025
Nov. 10, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2025  
Document Transition Report false  
Entity File Number 1-14880  
Registrant Name Starz Entertainment Corp.  
Entity Incorporation, State or Country Code A1  
Entity Address, Address Line One 250 Howe Street, 20th Floor  
Entity Address, City or Town Vancouver  
Entity Address, State or Province BC  
Entity Address, Postal Zip Code V6C 3R8  
City Area Code (604)  
Local Phone Number 648-6559  
Title of each class Common Shares, no par value per share  
Trading Symbol(s) STRZ  
Name of each exchange on which registered NASDAQ  
Entity Current Reporting Status Yes  
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   16,731,046
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Central Index Key 0000929351  
Other Address    
Document Information [Line Items]    
Entity Address, Address Line One 1647 Stewart St.  
Entity Address, City or Town Santa Monica  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 90404