Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.3.0.814
Document and Entity Information - shares
9 Months Ended
Sep. 30, 2015
Oct. 31, 2015
Entity Registrant Name Liberty Broadband Corp  
Entity Central Index Key 0001611983  
Document Type 10-Q  
Document Period End Date Sep. 30, 2015  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q3  
Class A common stock    
Entity Common Stock, Shares Outstanding   26,142,026
Class B common stock    
Entity Common Stock, Shares Outstanding   2,467,547
Class C common stock    
Entity Common Stock, Shares Outstanding   74,600,657