Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details)

v3.22.0.1
Commitments and Contingencies (Details)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Nov. 08, 2021
USD ($)
Oct. 18, 2021
USD ($)
May 05, 2021
USD ($)
Oct. 09, 2020
plaintiff
Oct. 10, 2018
USD ($)
Sep. 30, 2021
USD ($)
item
Dec. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2019
USD ($)
Dec. 17, 2020
USD ($)
Other Commitments [Line Items]                    
Litigation settlement expense               $ 95    
Hollywood Firefighters' Pension Fund et al Versus GCI Liberty, Inc. et al                    
Other Commitments [Line Items]                    
Number of plaintiffs | plaintiff       2            
Litigation settlement expense $ 9 $ 22 $ 110       $ 110      
Insurance recoveries           $ 24        
Number of insurance carriers | item           5        
GCI Holdings                    
Other Commitments [Line Items]                    
Liability recognized                 $ 12  
GCI Holdings | Minimum                    
Other Commitments [Line Items]                    
Maximum estimated allocation                   $ 0
GCI Holdings | Maximum                    
Other Commitments [Line Items]                    
Maximum estimated allocation                   $ 44
Rural Health Care ("RHC") Program | GCI Holdings                    
Other Commitments [Line Items]                    
Reduction of rural rate         26.00%          
Reduction in support payment due to reduction of rural rate         $ 28          
Account receivables collected               175    
Rural Health Care ("RHC") Program | GCI Holdings | Trade and other receivable                    
Other Commitments [Line Items]                    
Net accounts receivable             $ 120 $ 120