XML 11 R1.htm IDEA: XBRL DOCUMENT v3.25.3
Cover Page - shares
shares in Thousands
 9 Months Ended
Sep. 30, 2025
Oct. 31, 2025
Class of Stock [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2025  
Document Transition Report false  
Entity File Number 001-37622  
Entity Registrant Name Block, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 80-0429876  
Entity Address, Address Line One 1955 Broadway  
Entity Address, Address Line Two Suite 600  
Entity Address, City or Town Oakland  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94612  
City Area Code 415  
Local Phone Number 375-3176  
Title of 12(b) Security Class A common stock, $0.0000001 par value per share  
Trading Symbol XYZ  
Security Exchange Name NYSE  
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 Central Index Key 0001512673  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Class A    
Class of Stock [Line Items]    
Entity Common Stock, Shares Outstanding   547,667
Class B    
Class of Stock [Line Items]    
Entity Common Stock, Shares Outstanding   59,998