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CONSOLIDATED BALANCE SHEET (PARENTHETICALS) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
CURRENT ASSETS:    
Allowance for doubtful accounts $ 230 $ 157
INVESTMENT IN CABLE PROPERTIES:    
Property, plant and equipment, accumulated depreciation 35,292 34,108
Customer relationships, accumulated amortization $ 15,177 $ 14,180