v3.26.3
Cover Page - shares
 9 Months Ended
Sep. 30, 2026
Nov. 13, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Sep. 30, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q3  
Entity Registrant Name RMG ML SPORTS HOLDINGS  
Entity Central Index Key 0002104879  
Entity File Number 001-43340  
Entity Incorporation, State or Country Code E9  
Entity Tax Identification Number 98-1904489  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Shell Company true  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Address, Address Line One 930 Tahoe Blvd STE 802 PMB 45  
Entity Address, City or Town Incline Village  
Entity Address, State or Province NV  
Entity Address, Postal Zip Code 89451  
City Area Code (775)  
Local Phone Number 204-1489  
Units, each consisting of one Class A ordinary share, $0.0001 par value, and one right to receive one-eighth (1/8) of one Class A ordinary share upon the consummation of the Company’s initial business combination    
Document Information [Line Items]    
Title of 12(b) Security Units, each consisting of one Class A ordinary share, $0.0001 par value  
Trading Symbol SHOTU  
Security Exchange Name NASDAQ  
Class A ordinary shares included as part of the units    
Document Information [Line Items]    
Title of 12(b) Security Class A ordinary shares included as part of the units  
Trading Symbol SHOT  
Security Exchange Name NASDAQ  
One right to receive one-eighth (1/8) of one Class A ordinary share upon the consummation of the Company’s initial business combination    
Document Information [Line Items]    
Title of 12(b) Security One right to receive one-eighth (1/8) of one Class A ordinary share upon the consummation of the Company’s initial business combination  
Trading Symbol SHOTR  
Security Exchange Name NASDAQ  
Class A Ordinary Shares    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   21,860,000
Class B Ordinary Shares    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   7,216,667