v3.26.1
Cover Page - shares
 6 Months Ended
Jun. 30, 2026
Jul. 31, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-32663  
Entity Registrant Name CLEAR CHANNEL OUTDOOR HOLDINGS, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 88-0318078  
Entity Address, Address Line One 4830 North Loop 1604 West,  
Entity Address, Address Line Two Suite 111  
Entity Address, City or Town San Antonio,  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 78249  
City Area Code (210)  
Local Phone Number 547-8800  
Title of 12(b) Security Common Stock, $0.01 par value per share  
Trading Symbol CCO  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   509,093,845
Amendment Flag false  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Entity Central Index Key 0001334978  
Current Fiscal Year End Date --12-31