Quarterly report [Sections 13 or 15(d)]

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
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Excess basis allocation within memo accounts      
Share of equity investment income (losses) $ 318 $ 280  
Loss on dilution of investment in affiliate (18) (28)  
Charter      
Excess basis allocation within memo accounts      
Property and equipment, net 254   $ 280
Customer relationships, net 1,675   1,751
Franchise fees 3,843   3,843
Trademarks 29   29
Goodwill 3,742   3,845
Debt (239)   (251)
Deferred income tax liability (1,391)   (1,413)
Total 7,913   $ 8,084
Amortization of Deferred Charges 67 72  
Loss on dilution of investment in affiliate $ (18) $ (28)  
Charter | Customer relationships      
Excess basis allocation within memo accounts      
Remaining useful lives of customer relationships 6 years    
Charter | Property, plant and equipment      
Excess basis allocation within memo accounts      
Remaining useful lives of property and equipment 3 years