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DEBT - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
DEBT - Narrative (Details) - USD ($) $ in Millions	Mar. 31, 2025	Mar. 31, 2024
WarnerMedia
Debt Instrument [Line Items]
Debt assumed	$ 1,055
Senior Notes
Debt Instrument [Line Items]
Senior note, amount repurchased		$ 364
Senior Notes Due March 2025
Debt Instrument [Line Items]
Aggregate principal amount	1,500
Senior Notes Due March 2025 \| Senior Notes
Debt Instrument [Line Items]
Principal repayments of term loans	2,165
Unsecured Senior Term Loan \| Unsecured Debt
Debt Instrument [Line Items]
Proceeds from short-term debt	$ 1,500
Debt instrument, maturity term	364 days
Senior Notes Due February And March 2024 \| Senior Notes
Debt Instrument [Line Items]
Principal repayments of term loans		$ 726