Amount of long-term debt assumed in business combination and recognized at acquisition date, classified as noncurrent.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-1

DEBT - Narrative (Details)					1 Months Ended	3 Months Ended					6 Months Ended		12 Months Ended
DEBT - Narrative (Details)	Jun. 04, 2026 USD ($)	May 26, 2026	Feb. 27, 2026 USD ($)	Jun. 30, 2025 USD ($) renewalPeriod	Jun. 30, 2025 USD ($) renewalPeriod	Jun. 30, 2026 USD ($)	Mar. 31, 2026 USD ($)	Mar. 30, 2026	Jun. 30, 2025 USD ($) renewalPeriod	Mar. 31, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($) renewalPeriod	Dec. 31, 2025 USD ($)	Mar. 31, 2027	Dec. 31, 2026	Dec. 30, 2026 USD ($)	Sep. 30, 2026	Jun. 04, 2026 EUR (€)	Feb. 17, 2026	Feb. 28, 2025 USD ($)
Debt Instrument [Line Items]
Cash tender offer, aggregate purchase price									$ 14,600,000,000
Gain on extinguishment of debt						$ (75,000,000)			2,958,000,000		$ (102,000,000)	$ 2,954,000,000
Total debt						32,402,000,000					32,402,000,000		$ 32,845,000,000
Merger agreement, exchange offer deadline after termination date		90 days
WarnerMedia
Debt Instrument [Line Items]
Debt assumed						171,000,000					171,000,000
PSKY Merger Agreement
Debt Instrument [Line Items]
Termination fee, reimbursement for obligation to complete exchange offer, maximum			$ 1,528,000,000
Possible payment, cash per principal amount			0.1
Forecast
Debt Instrument [Line Items]
Maximum aggregate one time cash payment if exchange offer is not complete																$ 1,500,000,000
One time cash payment per principal amount																0.1
Line of Credit
Debt Instrument [Line Items]
Total debt						0					0		0
Senior Notes
Debt Instrument [Line Items]
Debt instrument aggregate principal amount				$ 17,700,000,000	$ 17,700,000,000				17,700,000,000			17,700,000,000
Gain on extinguishment of debt					3,000,000,000.0				3,000,000,000.0			3,000,000,000.0
Payments of debt issuance costs					293,000,000
Commercial Paper
Debt Instrument [Line Items]
Revolving line of credit, maximum borrowing capacity				2,000,000,000	2,000,000,000				2,000,000,000	$ 2,000,000,000		2,000,000,000								$ 1,000,000,000
Total debt						$ 0					$ 0		$ 0
Bridge loan \| Bridge loan
Debt Instrument [Line Items]
Principal repayments of term loans	$ 15,000,000,000
Debt instrument, basis spread on variable rate						4.00%		3.50%					3.00%
Duration fee rate						0.50%	0.50%				0.50%		0.30%						0.75%
Total debt						$ 0					$ 0		$ 15,000,000,000
Bridge loan \| Bridge loan \| Discovery Global Holdings, Inc
Debt Instrument [Line Items]
Borrowings from debt, net of discount and issuance costs				$ 17,000,000,000.0
Bridge loan \| Bridge loan \| Forecast
Debt Instrument [Line Items]
Duration fee rate														1.00%	1.00%		1.00%
First Lien Credit Agreement, Initial Term Loans \| Senior Notes
Debt Instrument [Line Items]
Principal repayments of term loans						$ 250,000,000
Senior Notes Due January 2026 and March 2026 \| Senior Notes
Debt Instrument [Line Items]
Principal repayments of term loans							$ 123,000,000
Unsecured Senior Term Loan \| Unsecured Debt
Debt Instrument [Line Items]
Debt instrument, maturity term						364 days				364 days
Proceeds from short-term debt										$ 1,500,000,000
Unsecured Senior Term Loan \| Unsecured Debt \| Discovery Global Holdings, Inc
Debt Instrument [Line Items]
Debt instrument, maturity term				364 days
Repayment of senior unsecured term loan facility				$ 1,500,000,000	1,500,000,000				1,500,000,000			1,500,000,000
Senior Notes Due June 2025 \| Senior Notes
Debt Instrument [Line Items]
Principal repayments of term loans					487,000,000
Senior Notes Due March 2025
Debt Instrument [Line Items]
Aggregate principal amount										1,500,000,000
Senior Notes Due March 2025 \| Senior Notes
Debt Instrument [Line Items]
Principal repayments of term loans										$ 2,165,000,000
Secured Debt \| First Lien Credit Agreement, Initial Dollar Term Loans \| Line of Credit
Debt Instrument [Line Items]
Debt instrument, maturity term	7 years
Repayment of senior unsecured term loan facility	$ 13,000,000,000
Weighted average interest rate (as a percent)	1.00%																	1.00%
Secured Debt \| First Lien Credit Agreement, Initial Dollar Term Loans \| Line of Credit \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.50%
Secured Debt \| First Lien Credit Agreement, Initial Dollar Term Loans \| Line of Credit \| Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.50%
Secured Debt \| First Lien Credit Agreement, Initial Euro Term Loans \| Line of Credit
Debt Instrument [Line Items]
Debt instrument, maturity term	7 years
Repayment of senior unsecured term loan facility \| €																		€ 1,717,000,000
Secured Debt \| First Lien Credit Agreement, Initial Euro Term Loans \| Line of Credit \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.50%
Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Revolving line of credit, maximum borrowing capacity				$ 4,000,000,000	$ 4,000,000,000				$ 4,000,000,000			$ 4,000,000,000
Number of renewal periods \| renewalPeriod				2	2				2			2
Term of renewal period					364 days
Minimum consolidated interest coverage ratio				3.00	3.00				3.00			3.00
Maximum consolidated leverage ratio				4.50	4.50				4.50			4.50
Revolver Sublimit For Standby Letters Of Credit \| Line of Credit
Debt Instrument [Line Items]
Revolving line of credit, maximum borrowing capacity				$ 150,000,000	$ 150,000,000				$ 150,000,000			$ 150,000,000
Additional Commitments Upon Satisfaction of Certain Conditions \| Line of Credit
Debt Instrument [Line Items]
Revolving line of credit, maximum borrowing capacity				$ 1,000,000,000	$ 1,000,000,000				$ 1,000,000,000			$ 1,000,000,000