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CONSOLIDATED BALANCE SHEET (PARENTHETICALS) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
CURRENT ASSETS:    
Allowance for doubtful accounts $ 234 $ 204
INVESTMENT IN CABLE PROPERTIES:    
Property, plant and equipment, accumulated depreciation 41,239 39,409
Customer relationships, accumulated amortization $ 17,759 $ 17,319
Preferred stock, par value (dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (shares) 250,000,000 250,000,000
Preferred stock, shares issued (shares) 0 0
Preferred stock, shares outstanding (shares) 0 0
Treasury Stock (shares) 13,580,734 0
Class A Common Stock    
Common stock, par value (dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (shares) 900,000,000 900,000,000
Common stock, shares issued (shares) 142,990,100 141,946,426
Common stock, shares outstanding (shares) 129,409,366 141,946,426
Class B Common Stock    
Common stock, par value (dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (shares) 1,000 1,000
Common stock, shares issued (shares) 1 1
Common stock, shares outstanding (shares) 1 1