LONG-TERM DEBT - Clear Channel International B.V. Senior Notes (Narrative) (Details) - USD ($)	Aug. 14, 2017	Dec. 31, 2018
Debt Instrument [Line Items]
Stated interest rate		8.75%
Senior Notes \| Clear Channel International B.V. Senior Notes Due 2020
Debt Instrument [Line Items]
Stated interest rate	8.75%	8.75%
Clear Channel International B.V. \| Senior Notes \| Clear Channel International B.V. Senior Notes Due 2020
Debt Instrument [Line Items]
Principal amount of Senior Notes	$ 150,000,000.0
Proceeds from issuance of senior long-term debt	$ 156,000,000

Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

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