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

Investment in Charter Accounted for Using the Equity Method - Excess Basis Allocation (Details)

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Investment in Charter Accounted for Using the Equity Method - Excess Basis Allocation (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Excess basis allocation within memo accounts      
Share of equity investment income (losses) $ 1,323 $ 1,155 $ 1,326
Loss on dilution of investment in affiliate (32) (60) (63)
Charter      
Excess basis allocation within memo accounts      
Property and equipment, net 280 403  
Customer relationships, net 1,751 2,049  
Franchise fees 3,843 3,843  
Trademarks 29 29  
Goodwill 3,845 4,049  
Debt (251) (317)  
Deferred income tax liability (1,413) (1,472)  
Total 8,084 8,584  
Share of equity investment income (losses) 1,323 1,155 1,326
Amortization of Deferred Charges 303 277 232
Loss on dilution of investment in affiliate $ (32) $ (60) $ (63)
Charter | Customer relationships      
Excess basis allocation within memo accounts      
Remaining useful lives of property and equipment 7 years    
Charter | Property, plant and equipment      
Excess basis allocation within memo accounts      
Remaining useful lives of property and equipment 3 years