Document and Entity Information
Feb. 13, 2020
Cover [Abstract]  
Entity Registrant Name CINCINNATI BELL INC.
Document Type 8-K
Amendment Flag false
Entity Central Index Key 0000716133
Document Period End Date Feb. 13, 2020
Entity Emerging Growth Company false
Entity File Number 001-8519
Entity Incorporation, State or Country Code OH
Entity Tax Identification Number 31-1056105
Entity Address, Address Line One 221 East Fourth Street
Entity Address, City or Town Cincinnati
Entity Address, State or Province OH
Entity Address, Postal Zip Code 45202
City Area Code (513)
Local Phone Number  397-9900
Written Communications false
Soliciting Material true
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Shares ($0.01 par value)
Trading Symbol CBB
Security Exchange Name NYSE