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

Basis of Presentation (Details)

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Basis of Presentation (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Jun. 30, 2027
Nov. 12, 2024
May 03, 2023
May 02, 2022
Jun. 30, 2022
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Cash released from escrow related to dispositions             $ 23  
Gain (loss) on dispositions, net (note 1)               $ 179
Charter.                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Stock repurchases value per month   $ 100            
Minimum percentage of equity interests   25.25%            
Ownership capped percentage   25.01%       25.01%    
Charter. | Forecast                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Stock issued during the period 11,500,000              
Skyhook | Disposal group                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Sales on proceeds       $ 194        
Cash released from escrow related to dispositions     $ 23          
Gain (loss) on dispositions, net (note 1)         $ 179      
Disposal group revenue               6
Disposal group net income (loss)               $ 4
Liberty Broadband | Charter.                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Share of Charter common stock   0.236            
Newly issued Charter cumulative redeemable preferred stock   1            
Maximum corporate level tax liability   $ 420            
Existing debt to be repaid prior to closing or assumed by Charter   $ 2,600            
Liberty Broadband | Charter. | Forecast                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Number of shares retired 45,600,000              
Equity interest issued 34,000,000              
Preferred equity recognized $ 180