REDEEMABLE NONCONTROLLING INTERESTS - Schedule of Changes in Redeemable Noncontrolling Interests (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Increase (Decrease) in Temporary Equity
Beginning balance	$ 165	$ 318	$ 363
Cash distributions to redeemable noncontrolling interests	(35)	(30)	(50)
Reclassification of redeemable noncontrolling interest to noncontrolling interest	0	(22)	0
Redemption of redeemable noncontrolling interest	0	(111)	0
Comprehensive income adjustments:
Net income attributable to redeemable noncontrolling interests	(42)	9	6
Currency translation on redemption values	0	(3)	(5)
Retained earnings adjustments:
Adjustments of carrying value to redemption value (redemption value does not equal fair value)	18	2	0
Adjustments of carrying value to redemption value (redemption value equals fair value)	3	2	4
Ending balance	$ 109	$ 165	$ 318

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

Name:	us-gaap_IncreaseDecreaseInTemporaryEquityRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(19))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

Name:	us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmountAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

As of the reporting date, the carrying amount of noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. The noncontrolling interest holder's ownership (or holders' ownership) may be in the form of common shares (regardless of class), limited partnership units (regardless of class), non-preferential membership interests, or any other form of common equity regardless of investee entity legal form.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Subparagraph (12)(c)
-Section S99
-Paragraph 3A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480244/480-10-S99-3A

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Subparagraph (16)(c)
-Paragraph 3A
-Section S99
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480244/480-10-S99-3A

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 480
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3A
-Subparagraph (15)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480244/480-10-S99-3A

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 480
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3A
-Subparagraph (14)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480244/480-10-S99-3A

+ Details

Name:	us-gaap_RedeemableNoncontrollingInterestEquityCommonCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Adjustments to temporary equity resulting from foreign currency translation adjustments.

+ References

No definition available.

+ Details

Name:	us-gaap_TemporaryEquityForeignCurrencyTranslationAdjustments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_TemporaryEquityNumberOfSharesRedemptionValueAndOtherDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Noncontrolling Interest, Decrease From Reclassification To Noncontrolling Interest

+ References

No definition available.

+ Details

Name:	wbd_NoncontrollingInterestDecreaseFromReclassificationToNoncontrollingInterest
Namespace Prefix:	wbd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Noncontrolling Interest, Decrease From Redemptions Of Redeemable Noncontrolling Interest

+ References

No definition available.

+ Details

Name:	wbd_NoncontrollingInterestDecreaseFromRedemptionsOfRedeemableNoncontrollingInterest
Namespace Prefix:	wbd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Temporary Equity, Accretion To Redemption Value, Adjustment And Other

+ References

No definition available.

+ Details

Name:	wbd_TemporaryEquityAccretionToRedemptionValueAdjustmentAndOther
Namespace Prefix:	wbd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Temporary Equity, Accretion To Redemption Value, Adjustment, Redemption Value Equals Fair Value

+ References

No definition available.

+ Details

Name:	wbd_TemporaryEquityAccretionToRedemptionValueAdjustmentRedemptionValueEqualsFairValue
Namespace Prefix:	wbd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Decrease in redeemable noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

+ References

No definition available.

+ Details

Name:	wbd_TemporaryEquityDecreasefromDistributionstoNoncontrollingInterestHolders
Namespace Prefix:	wbd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration