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DEBT - Narrative (Details) £ in Millions | 1 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Oct. 31, 2024 USD ($) renewalPeriod | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2024 GBP (£) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2024 EUR (€) | Aug. 31, 2023 USD ($) | Jun. 30, 2023 USD ($) | Apr. 08, 2022 USD ($) | Jun. 09, 2021 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  | $ 2,610,000,000 |  |  |  |  |  |  |  |
Gain on extinguishment of debt |  |  | 632,000,000 |  | $ 17,000,000 | $ 0 |  |  |  |  |
Outstanding borrowings |  |  | 39,527,000,000 |  | $ 43,955,000,000 |  |  |  |  |  |
WarnerMedia |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt assumed |  |  | 1,043,000,000 |  |  |  |  |  |  | $ 41,680,000,000 |
Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  |  |  | 6.412% |  |  |  |  |  |
Debt instrument, repurchase amount |  | $ 3,399,000,000 | 965,000,000 |  | $ 183,000,000 |  |  | $ 1,900,000,000 |  |  |
Gain on extinguishment of debt |  | $ 542,000,000 |  |  |  |  |  |  |  |  |
Face amount |  |  |  |  | 1,500,000,000 |  |  |  |  |  |
Term Loan |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Principal repayments of term loans |  |  |  |  | 4,000,000,000 |  |  |  |  |  |
Line of Credit |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Outstanding borrowings |  |  | 0 |  | 0 |  |  |  |  |  |
Line of Credit | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revolving line of credit, maximum borrowing capacity | $ 6,000,000,000 |  |  |  |  |  |  |  |  |  | $ 6,000,000,000
Number of renewal periods | renewalPeriod | 2 |  |  |  |  |  |  |  |  |  |
Term of renewal period (in days) | 364 days |  |  |  |  |  |  |  |  |  |
Debt instrument, covenant, consolidated interest coverage ratio, minimum | 3.00 |  |  |  |  |  |  |  |  |  |
Debt instrument, covenant, adjusted consolidated leverage ratio, maximum | 4.50 |  |  |  |  |  |  |  |  |  |
Line of Credit | Revolver Sublimit for Standby Letters of Credit |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revolving line of credit, maximum borrowing capacity | $ 150,000,000 |  |  |  |  |  |  |  |  |  |
Line of Credit | Additional Commitments Upon Satisfaction of Certain Conditions |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revolving line of credit, maximum borrowing capacity | $ 1,000,000,000 |  |  |  |  |  |  |  |  |  |
Commercial Paper |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revolving line of credit, maximum borrowing capacity |  |  | 1,000,000,000 |  |  |  |  |  |  |  |
Outstanding borrowings |  |  | $ 0 |  | $ 0 |  |  |  |  |  |
Senior Notes Due 2024, 3.900% | Senior Notes | Discovery Communications, LLC |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  | 3.90% |  |  |  | 3.90% |  |  |  |
Senior Notes Due 2024, 3.900% | Senior Notes | Scripps Networks Interactive, Inc. |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  | 3.90% |  |  |  | 3.90% |  |  |  |
Senior Notes Due 2055, 4.000% | Senior Notes | Discovery Communications, LLC |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  | 4.00% |  |  |  | 4.00% |  |  |  |
Senior Notes Due 2050, 4.650% | Senior Notes | Discovery Communications, LLC |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  | 4.65% |  |  |  | 4.65% |  |  |  |
Senior Notes Due 2042, 4.950% | Senior Notes | Discovery Communications, LLC |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  | 4.95% |  |  |  | 4.95% |  |  |  |
Senior Notes Due 2043, 4.875% | Senior Notes | Discovery Communications, LLC |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  | 4.875% |  |  |  | 4.875% |  |  |  |
Senior Notes Due 2047, 5.200% | Senior Notes | Discovery Communications, LLC |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  | 5.20% |  |  |  | 5.20% |  |  |  |
Senior Notes Due 2049, 5.300% | Senior Notes | Discovery Communications, LLC |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  | 5.30% |  |  |  | 5.30% |  |  |  |
Senior Notes Due 2044, 4.650% | Senior Notes | Legacy WarnerMedia Business |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  | 4.65% |  |  |  | 4.65% |  |  |  |
Senior Notes Due 2045, 4.850% | Senior Notes | Legacy WarnerMedia Business |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  | 4.85% |  |  |  | 4.85% |  |  |  |
Senior Notes Due 2042, 4.900% | Senior Notes | Legacy WarnerMedia Business |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  | 4.90% |  |  |  | 4.90% |  |  |  |
Senior Notes Due 2043, 5.350% | Senior Notes | Legacy WarnerMedia Business |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  | 5.35% |  |  |  | 5.35% |  |  |  |
Senior Notes Due 2042, 5.050% | Senior Notes | WarnerMedia Holdings, Inc. |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  | 5.05% |  |  |  | 5.05% |  |  |  |
Senior Notes Due November 2024 | Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Principal repayments of term loans |  |  | $ 296,000,000 |  |  |  |  |  |  |  |
Senior Notes Due September 2024 | Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Principal repayments of term loans |  |  | 529,000,000 | £ 400 |  |  |  |  |  |  |
Senior Notes Due June 2024 | Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Principal repayments of term loans |  |  | 48,000,000 |  |  |  |  |  |  |  |
Senior Notes Due February And March 2024 | Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Principal repayments of term loans |  |  | $ 726,000,000 |  |  |  |  |  |  |  |
Senior Notes Due 2030, 4.302% | Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  | 4.302% |  |  |  | 4.302% |  |  |  |
Face amount | € |  |  |  |  |  |  | € 650,000,000 |  |  |  |
Senior Notes Due 2033, 4.693% | Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  | 4.693% |  |  |  | 4.693% |  |  |  |
Face amount | € |  |  |  |  |  |  | € 850,000,000 |  |  |  |
Senior Notes Due 2023, 4.050% | Senior Notes | Warner Media, LLC |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  |  |  | 4.05% |  |  |  |  |  |
Senior Notes Due 2024, 3.550% | Senior Notes | Warner Media, LLC |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  |  |  | 3.55% |  |  |  |  |  |
Senior Notes Due 2024, 7.570% | Senior Notes | Historic TW Inc. |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  |  |  | 7.57% |  |  |  |  |  |
Senior Notes Due 2024, 3.800% | Senior Notes | Discovery Communications, LLC |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  |  |  | 3.80% |  |  |  |  |  |
Senior Notes Due 2024, 3.528% | Senior Notes | WarnerMedia Holdings, Inc. |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  |  |  | 3.528% |  |  |  |  |  |
Senior Notes Due 2024, 3.428% | Senior Notes | WarnerMedia Holdings, Inc. |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate (as a percent) |  |  |  |  | 3.428% |  |  |  |  |  |
Floating rate senior notes with maturities of 5 years or less | Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt instrument, repurchase amount |  |  |  |  |  |  |  |  | $ 460,000,000 |  |
Outstanding borrowings |  |  | $ 0 |  | $ 40,000,000 |  |  |  |  |  |
Senior Notes Due December 2023 | Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Principal repayments of term loans |  |  |  |  | 42,000,000 |  |  |  |  |  |
Senior Notes Due September 2023 | Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Principal repayments of term loans |  |  |  |  | 178,000,000 |  |  |  |  |  |
Senior Notes Due February 2023 | Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Principal repayments of term loans |  |  |  |  | $ 106,000,000 |  |  |  |  |  |
Un-exchanged Scripps Senior Notes | Senior Notes | Scripps Networks |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Principal amount of liabilities assumed |  |  | $ 11,000,000 |  |  |  |  |  |  |  |

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