Annual report pursuant to Section 13 and 15(d)

Debt - Senior Notes and Senior Credit Facility (Details)

v3.24.0.1
Debt - Senior Notes and Senior Credit Facility (Details)
$ in Millions
1 Months Ended
Jun. 30, 2023
May 01, 2023
Oct. 15, 2021
USD ($)
Dec. 18, 2020
USD ($)
Oct. 15, 2020
Jun. 30, 2023
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Debt Instrument [Line Items]                
Outstanding principal             $ 3,724  
Fair value of debt             1,255 $ 0
Senior Notes                
Debt Instrument [Line Items]                
Fair value of debt             556  
Senior Notes | GCI Liberty Inc                
Debt Instrument [Line Items]                
Outstanding principal       $ 600        
Interest rate (as a percent)       4.75%        
Aggregate unamortized premium             23  
Line of credit                
Debt Instrument [Line Items]                
Outstanding principal             394  
Line of credit | GCI, LLC                
Debt Instrument [Line Items]                
Amount available for borrowing             397  
Line of credit | Revolving Credit Facility | GCI, LLC                
Debt Instrument [Line Items]                
Outstanding principal             150  
Line of credit | Standby Letters of Credit | GCI, LLC                
Debt Instrument [Line Items]                
Outstanding principal             3  
Line of credit | Term Loan A | GCI, LLC                
Debt Instrument [Line Items]                
Outstanding principal             244  
Senior Credit Facility | GCI, LLC                
Debt Instrument [Line Items]                
First lien leverage ratio 4.00              
Revolving Credit Facility | GCI, LLC                
Debt Instrument [Line Items]                
Principal amount     $ 550          
Proceeds from revolving credit facility     150          
Revolving Credit Facility | SOFR | GCI, LLC                
Debt Instrument [Line Items]                
Interest rate basis           SOFR    
Revolving Credit Facility | SOFR | Minimum | GCI, LLC                
Debt Instrument [Line Items]                
Basis spread on variable rate           1.50%    
Revolving Credit Facility | SOFR | Maximum | GCI, LLC                
Debt Instrument [Line Items]                
Basis spread on variable rate           2.75%    
Revolving Credit Facility | LIBOR | GCI, LLC                
Debt Instrument [Line Items]                
Interest rate basis         LIBOR      
Revolving Credit Facility | LIBOR | Minimum | GCI, LLC                
Debt Instrument [Line Items]                
Basis spread on variable rate         1.50%      
Revolving Credit Facility | LIBOR | Maximum | GCI, LLC                
Debt Instrument [Line Items]                
Basis spread on variable rate         2.75%      
Revolving Credit Facility | Alternate base rate | GCI, LLC                
Debt Instrument [Line Items]                
Interest rate basis         alternate base rate alternate base rate    
Revolving Credit Facility | Alternate base rate | Minimum | GCI, LLC                
Debt Instrument [Line Items]                
Basis spread on variable rate         0.50% 0.50%    
Revolving Credit Facility | Alternate base rate | Maximum | GCI, LLC                
Debt Instrument [Line Items]                
Basis spread on variable rate         1.75% 1.75%    
Standby Letters of Credit | GCI, LLC                
Debt Instrument [Line Items]                
Principal amount     25          
Term Loan A | GCI, LLC                
Debt Instrument [Line Items]                
Principal amount     250          
Percentage of original principal amount           0.25%    
Change in percentage of original principal amount           1.25%    
Term Loan A | Minimum | GCI, LLC                
Debt Instrument [Line Items]                
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage           0.375%    
Term Loan A | Maximum | GCI, LLC                
Debt Instrument [Line Items]                
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage           0.50%    
Term Loan A | SOFR | GCI, LLC                
Debt Instrument [Line Items]                
Interest rate basis           SOFR    
Term Loan A | SOFR | Minimum | GCI, LLC                
Debt Instrument [Line Items]                
Basis spread on variable rate           2.00%    
Term Loan A | SOFR | Maximum | GCI, LLC                
Debt Instrument [Line Items]                
Basis spread on variable rate           3.25%    
Term Loan A | LIBOR | GCI, LLC                
Debt Instrument [Line Items]                
Interest rate basis           SOFR    
Term Loan A | Alternate base rate | Minimum | GCI, LLC                
Debt Instrument [Line Items]                
Basis spread on variable rate           1.00%    
Term Loan A | Alternate base rate | Maximum | GCI, LLC                
Debt Instrument [Line Items]                
Basis spread on variable rate           2.25%    
Term Loan B | GCI, LLC                
Debt Instrument [Line Items]                
Repayment of debt     $ 400          
Term Loan B | LIBOR | GCI, LLC                
Debt Instrument [Line Items]                
Interest rate basis         LIBOR      
Basis spread on variable rate         2.75%      
Term Loan B | LIBOR | Minimum | GCI, LLC                
Debt Instrument [Line Items]                
Interest rate (as a percent)         0.75%      
Term Loan B | Alternate base rate | GCI, LLC                
Debt Instrument [Line Items]                
Interest rate basis         alternate base rate      
Basis spread on variable rate         1.75%      
Wells Fargo Notes Payable | GCI Liberty Inc                
Debt Instrument [Line Items]                
Outstanding principal       $ 6     $ 5 $ 5
Wells Fargo Notes Payable | SOFR | GCI Liberty Inc                
Debt Instrument [Line Items]                
Interest rate basis   SOFR            
Basis spread on variable rate   1.75%            
Wells Fargo Notes Payable | LIBOR | GCI Liberty Inc                
Debt Instrument [Line Items]                
Interest rate basis       LIBOR        
Basis spread on variable rate       2.25%