ACQUISITIONS AND DISPOSITIONS - Schedule of Components of Aggregate Purchase Consideration (Details) - WarnerMedia $ / shares in Units, shares in Millions	Apr. 08, 2022 USD ($) d $ / shares shares
Business Acquisition [Line Items]
Fair value of WBD common stock issued to AT&T shareholders	$ 42,309,000,000
Estimated fair value of share-based compensation awards attributable to pre-combination services	94,000,000
Settlement of preexisting relationships	(27,000,000)
Purchase consideration	$ 42,376,000,000
Equity interest issued or issuable (in shares) \| shares	1,732
Business acquisition, share price (in dollars per share) \| $ / shares	$ 24.43
Percentage of voting interests acquired (as a percent)	29.00%
Number of trading days \| d	10
Gain (loss) recognized upon settlement	$ 0
AT&T
Business Acquisition [Line Items]
Percentage of voting interests acquired (as a percent)	71.00%

Number of shares of equity interests issued or issuable to acquire entity.

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