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, 2021
Dec. 31, 2020
Dec. 31, 2019
Excess basis allocation within memo accounts      
Share of earnings (loss) of affiliates, net $ 1,194 $ 713 $ 286
Loss on dilution of investment in affiliate (102) (184) (79)
Charter.      
Excess basis allocation within memo accounts      
Property and equipment 661 733  
Customer relationships 2,537 2,726  
Franchise fees 3,828 3,693  
Trademarks 29 29  
Goodwill 4,024 3,934  
Debt (535) (602)  
Deferred income tax liability (1,626) (1,641)  
Total 8,918 8,872  
Share of earnings (loss) of affiliates, net 1,194 713 286
Amortization of Deferred Charges 234 144 124
Loss on dilution of investment in affiliate $ (102) $ (184) $ (79)
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 9 years    
Charter. | Property, Plant and Equipment      
Excess basis allocation within memo accounts      
Remaining useful lives of property and equipment 5 years