Current report filing

Cover

v3.20.2
Cover
Nov. 23, 2020
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Nov. 23, 2020
Entity File Number 001-36713
Entity Registrant Name LIBERTY BROADBAND CORPORATION
Entity Central Index Key 0001611983
Entity Tax Identification Number 47-1211994
Entity Incorporation, State or Country Code DE
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 875-5700
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Series A common stock  
Document Information [Line Items]  
Title of 12(b) Security Series A common stock
Trading Symbol LBRDA
Security Exchange Name NASDAQ
Series C common stock  
Document Information [Line Items]  
Title of 12(b) Security Series C common stock
Trading Symbol LBRDK
Security Exchange Name NASDAQ