Document and Entity Information
Jan. 20, 2022
Document And Entity Information [Line Items]  
Amendment Flag false
Entity Central Index Key 0001334978
Document Type 8-K
Document Period End Date Jan. 20, 2022
Entity Registrant Name CLEAR CHANNEL OUTDOOR HOLDINGS, INC.
Entity Incorporation State Country Code DE
Entity File Number 001-32663
Entity Tax Identification Number 88-0318078
Entity Address, Address Line One 4830 North Loop 1604W
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
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Common Stock
Trading Symbol CCO
Security Exchange Name NYSE
Preferred Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Preferred Stock Purchase Rights
Security Exchange Name NYSE