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VARIABLE INTEREST ENTITIES - Narrative (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Variable Interest Entity [Line Items] |  |  |  |  |
Equity method investments | $ 86,000,000 |  | $ 86,000,000 |  | $ 128,000,000
Consolidated VIEs |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Variable interest entities outsourcing agreement initial term |  |  | 5 years |  |
Consolidated VIEs | Consolidation, Eliminations [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Liabilities associated with the certain outsourcing agreements and purchase options | 129,000,000 |  | $ 129,000,000 |  | 130,000,000
Variable Interest Entity, Not Primary Beneficiary |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Gain from equity investments | (22,000,000) | $ 3,000,000 | (23,000,000) | $ 38,000,000 |
Variable Interest Entity, Not Primary Beneficiary | DSIH |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Equity method investments | 0 |  | 0 |  |
Sinclair Broadcast Group, LLC |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Equity method investments | 2,000,000 |  | $ 2,000,000 |  | 1,000,000
Sinclair Broadcast Group, LLC | Consolidated VIEs |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Variable interest entities outsourcing agreement initial term |  |  | 5 years |  |
Sinclair Broadcast Group, LLC | Consolidated VIEs | Consolidation, Eliminations [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Liabilities associated with the certain outsourcing agreements and purchase options | 129,000,000 |  | $ 129,000,000 |  | $ 130,000,000
Sinclair Broadcast Group, LLC | Variable Interest Entity, Not Primary Beneficiary |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Gain from equity investments |  | $ 2,000,000 |  | $ 37,000,000 |
Sinclair Broadcast Group, LLC | Variable Interest Entity, Not Primary Beneficiary | DSIH |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Equity method investments | $ 0 |  | $ 0 |  |

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