Annual report pursuant to Section 13 and 15(d)

Investments in Affiliates Accounted for Using the Equity Method - Excess Basis Allocation (Details)

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Investments in Affiliates Accounted for Using the Equity Method - Excess Basis Allocation (Details) - USD ($)
shares in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Excess basis allocation within memo accounts      
Share of earnings (loss) of affiliates, net $ 1,326 $ 1,194 $ 713
Loss on dilution of investment in affiliate (63) (102) (184)
Charter.      
Excess basis allocation within memo accounts      
Property and equipment 524 661  
Customer relationships 2,230 2,537  
Franchise fees 3,809 3,828  
Trademarks 29 29  
Goodwill 3,975 4,024  
Debt (450) (535)  
Deferred income tax liability (1,505) (1,626)  
Total 8,612 8,918  
Share of earnings (loss) of affiliates, net 1,326 1,194 713
Amortization of Deferred Charges 232 234 144
Loss on dilution of investment in affiliate $ (63) $ (102) $ (184)
Charter. | Series A common stock      
Excess basis allocation within memo accounts      
Exercise of preemptive right to purchase Charter shares     35
Exercise of preemptive right to purchase Charter shares     $ 15
Charter. | Customer relationships      
Excess basis allocation within memo accounts      
Remaining useful lives of customer relationships 8 years    
Charter. | Property, Plant and Equipment      
Excess basis allocation within memo accounts      
Remaining useful lives of property and equipment 5 years