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NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition, Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Disaggregation of Revenue [Line Items] |  |  |  |  |
Deferred revenue | $ 169 |  | $ 169 |  | $ 170
Deferred revenue, noncurrent | $ 94 |  | 94 |  | $ 112
Deferred revenue, revenue recognized |  |  | $ 49 | $ 40 |
Customer Concentration Risk | Revenue Benchmark | Customer One |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Concentration risk (as a percent) | 11.00% | 10.00% | 11.00% | 11.00% |
Customer Concentration Risk | Revenue Benchmark | Customer Two |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Concentration risk (as a percent) | 10.00% |  | 11.00% | 10.00% |
Customer Concentration Risk | Accounts Receivable | Customer One |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Concentration risk (as a percent) |  |  | 12.00% |  | 11.00%
Customer Concentration Risk | Accounts Receivable | Customer Two |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Concentration risk (as a percent) |  |  |  |  | 11.00%
Customer Concentration Risk | Accounts Receivable | Customer Three |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Concentration risk (as a percent) |  |  |  |  | 10.00%
Customer Concentration Risk | Accounts Receivable | Customer Four |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Concentration risk (as a percent) |  |  |  |  | 10.00%
Sinclair Broadcast Group, LLC |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Deferred revenue | $ 163 |  | $ 163 |  | $ 163
Deferred revenue, noncurrent | $ 94 |  | 94 |  | $ 112
Deferred revenue, revenue recognized |  |  | $ 43 | $ 35 |
Sinclair Broadcast Group, LLC | Customer Concentration Risk | Revenue Benchmark | Customer One |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Concentration risk (as a percent) | 12.00% | 10.00% | 12.00% | 11.00% |
Sinclair Broadcast Group, LLC | Customer Concentration Risk | Revenue Benchmark | Customer Two |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Concentration risk (as a percent) | 10.00% |  | 11.00% | 10.00% |
Sinclair Broadcast Group, LLC | Customer Concentration Risk | Accounts Receivable | Customer One |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Concentration risk (as a percent) |  |  | 13.00% |  | 11.00%
Sinclair Broadcast Group, LLC | Customer Concentration Risk | Accounts Receivable | Customer Two |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Concentration risk (as a percent) |  |  | 10.00% |  | 10.00%
Sinclair Broadcast Group, LLC | Customer Concentration Risk | Accounts Receivable | Customer Three |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Concentration risk (as a percent) |  |  |  |  | 10.00%
Sinclair Broadcast Group, LLC | Customer Concentration Risk | Accounts Receivable | Customer Four |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Concentration risk (as a percent) |  |  |  |  | 10.00%

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