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REDEEMABLE NONCONTROLLING INTERESTS - Schedule of Redeemable Noncontrolling Interests (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Redeemable Noncontrolling Interest [Line Items]        
Redeemable noncontrolling interests $ 109 $ 165 $ 318 $ 363
Discovery Family        
Redeemable Noncontrolling Interest [Line Items]        
Redeemable noncontrolling interests 86 156    
Other        
Redeemable Noncontrolling Interest [Line Items]        
Redeemable noncontrolling interests $ 23 $ 9