v3.26.1
COVER - shares
3 Months Ended
Mar. 31, 2026
Apr. 30, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Entity File Number 001-36555  
Entity Registrant Name MARA HOLDINGS, INC.  
Entity Incorporation, State or Country Code NV  
Entity Tax Identification Number 01-0949984  
Entity Address, Address Line One 1010 South Federal Highway  
Entity Address, Address Line Two Suite 2700  
Entity Address, City or Town Hallandale Beach  
Entity Address, State or Province FL  
Entity Address, Postal Zip Code 33009  
City Area Code 800  
Local Phone Number 804-1690  
Title of 12(b) Security Common Stock, par value $0.0001 per share  
Trading Symbol MARA  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   381,270,503
Entity Central Index Key 0001507605  
Document Fiscal Year Focus 2026  
Amendment Flag false  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --12-31