v3.26.1
Cover
May 11, 2026
Document Type 8-K
Amendment Flag false
Document Period End Date May 11, 2026
Current Fiscal Year End Date --12-31
Entity File Number 001-42742
Entity Registrant Name GCI LIBERTY, INC.
Entity Central Index Key 0002057463
Entity Tax Identification Number 36-5128842
Entity Incorporation, State or Country Code NV
Entity Address, Address Line One 12300 Liberty Blvd.
Entity Address, City or Town Englewood
Entity Address, State or Province CO
Entity Address, Postal Zip Code 80112
City Area Code 720
Local Phone Number 875-5900
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period true
Series A GCI Group Common Stock [Member]  
Title of 12(b) Security Series A GCI Group Common Stock
Trading Symbol GLIBA
Security Exchange Name NASDAQ
Series C GCI Group Common Stock [Member]  
Title of 12(b) Security Series C GCI Group Common Stock
Trading Symbol GLIBK
Security Exchange Name NASDAQ