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OTHER INFORMATION - Narrative (Details) - USD ($) $ in Millions | 8 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2021 | Dec. 31, 2020
Other Income and Expenses [Abstract] |  |  |
Expenses incurred in connection with our bankruptcy | $ 26.5 | $ 1.4 | $ 6.3

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- Definition Restructuring Costs, Negotiations With Lenders And Other Activities + References No definition available. + Details
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Namespace Prefix: | ihrt_
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Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration