Annual report [Section 13 and 15(d), not S-K Item 405]

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 12, 2023
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2024
Dec. 31, 2019
Loss Contingencies [Line Items]          
Trade and other receivables, net   $ 178   $ 195  
Litigation settlement expense     $ 67    
Charter and Liberty Broadband Delaware litigation          
Loss Contingencies [Line Items]          
Payments for Legal Settlements $ 38        
GCI Holdings | RHC Program          
Loss Contingencies [Line Items]          
Payments for Legal Settlements   41      
Government Assistance, Asset, Current, Statement of Financial Position [Extensible Enumeration]       Trade and other receivables, net  
Government Assistance Amount       $ 69  
GCI Holdings | RHC Program | FCC          
Loss Contingencies [Line Items]          
Payments for Legal Settlements   27      
Litigation settlement expense     15    
Estimated Litigation Liability     27   $ 12
GCI Holdings | RHC Program | DOJ          
Loss Contingencies [Line Items]          
Payments for Legal Settlements   $ 14      
Litigation settlement expense     $ 14