EMERGENCE FROM VOLUNTARY REORGANIZATION UNDER CHAPTER 11 PROCEEDINGS (Details) - USD ($)	May 01, 2019	Sep. 30, 2019	Apr. 30, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Common stock, shares issued (in shares)		145,885,996
Number of securities called by warrants or rights (in shares)	81,453,648
New equity (as a percent)	99.10%
Pro rata share of interests (as a percent)	100.00%
Funding of guarantor general unsecured claims, settled in cash (as a percent)	14.44%
Pro rata share of new common stock (as a percent)	1.00%
Pro rata share of new common stock, distributed to legacy notes holders (as a percent)	0.10%
Funding of the Guarantor General Unsecured Recovery Cash Pool	$ 17,500,000
iHeartCommunications, Inc.
Debt Instrument [Line Items]
Debtor reorganization items, discharge of debt	16,000,000,000
iHeart Operations, Inc.
Debt Instrument [Line Items]
Proceeds from issuance of preferred stock	60,000,000
CCOH
Debt Instrument [Line Items]
Total settlement amount paid	115,800,000
CCOH | iHeartCommunications, Inc.
Debt Instrument [Line Items]
Payment of intercompany note	149,000,000
iHeartCommunications, Inc. | CCOH
Debt Instrument [Line Items]
Post-petition intercompany balance, net	33,200,000
Term Loan Facility due 2026 | Secured Debt
Debt Instrument [Line Items]
Debt instrument, face amount	3,500,000,000
Stated interest rate		5.25%
9.0% Priority Guarantee Notes Due 2021
Debt Instrument [Line Items]
Stated interest rate		9.00%	9.00%
11.25% Priority Guarantee Notes Due 2021
Debt Instrument [Line Items]
Stated interest rate		11.25%	11.25%
Asset-based Revolving Credit Facility due 2023 | Line of Credit
Debt Instrument [Line Items]
Maximum borrowings provided under credit facility		$ 450,000,000
Revolving Loan Agreement | CCOH | iHeartCommunications, Inc.
Debt Instrument [Line Items]
Maximum borrowings provided under credit facility	200,000,000
6.375% Senior Secured Notes due 2026 | Secured Debt
Debt Instrument [Line Items]
Debt instrument, face amount	800,000,000	$ 800,000,000
Stated interest rate		6.375%
8.375% Senior Unsecured Notes due 2027 | Unsecured Debt
Debt Instrument [Line Items]
Debt instrument, face amount	$ 1,450,000,000	$ 1,450,000,000
Stated interest rate	8.375%	8.375%
Class A Shares
Debt Instrument [Line Items]
Common stock, shares issued (in shares)	56,861,941	57,670,714		32,292,944
Class B Shares
Debt Instrument [Line Items]
Common stock, shares issued (in shares)	6,947,567	6,925,976		555,556
Management And Service Providers | Post Emergence Equity Plan | Class A Shares | Common Shares
Debt Instrument [Line Items]
Number of shares authorized (in shares)	12,770,387
Number of shares authorized, fully diluted and distributed (as a percent)	8.00%
Director | Post Emergence Equity Plan | Class A Shares | Common Shares
Debt Instrument [Line Items]
Number of shares authorized (in shares)	1,596,298
Number of shares authorized, fully diluted and distributed (as a percent)	1.00%
iHeartCommunications, Inc. | Term Loan Facility due 2026 | Secured Debt
Debt Instrument [Line Items]
Debt instrument, face amount	$ 3,500,000,000.0
iHeartCommunications, Inc. | 6.375% Senior Secured Notes due 2026 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, face amount	$ 800,000,000
Stated interest rate	6.375%
iHeartCommunications, Inc. | 8.375% Senior Unsecured Notes due 2027 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, face amount	$ 1,450,000,000.00
Stated interest rate	8.375%
Revolving Credit Facility | Asset-based Revolving Credit Facility due 2023 | Line of Credit
Debt Instrument [Line Items]
Maximum borrowings provided under credit facility		$ 450,000,000
Revolving Credit Facility | Subsidiary | Asset-based Revolving Credit Facility due 2023 | Line of Credit
Debt Instrument [Line Items]
Maximum borrowings provided under credit facility	$ 450,000,000.0
Minimum
Debt Instrument [Line Items]
Funding of guarantor general unsecured claims (as a percent)	45.00%
Maximum
Debt Instrument [Line Items]
Funding of guarantor general unsecured claims (as a percent)	55.00%