LONG-TERM DEBT - Schedule Of Long-Term Debt Outstanding (Detail) - USD ($)	6 Months Ended
	Jun. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Total consolidated secured debt	$ 13,129,370,000	$ 12,925,802,000
Total debt	20,380,879,000	20,364,988,000
Long-term debt fees	(106,725,000)	(123,003,000)
Less: current portion	585,453,000	342,908,000
Total long-term debt	19,795,426,000	20,022,080,000
Senior Secured Credit Facilities
Debt Instrument [Line Items]
Total consolidated secured debt	6,300,000,000	6,300,000,000
Receivables Based Credit Facility Due 2017
Debt Instrument [Line Items]
Total consolidated secured debt	305,000,000	330,000,000
Maximum borrowings provided under credit facility	535,000,000.0
9.0% Priority Guarantee Notes Due 2019
Debt Instrument [Line Items]
Total consolidated secured debt	$ 1,999,815,000	1,999,815,000
Stated interest rate	9.00%
9.0% Priority Guarantee Notes Due 2021
Debt Instrument [Line Items]
Total consolidated secured debt	$ 1,750,000,000	1,750,000,000
Stated interest rate	9.00%
11.25% Priority Guarantee Notes Due 2021
Debt Instrument [Line Items]
Total consolidated secured debt	$ 809,946,000	575,000,000
Stated interest rate	11.25%
9.0% Priority Guarantee Notes Due 2022
Debt Instrument [Line Items]
Total consolidated secured debt	$ 1,000,000,000	1,000,000,000
Stated interest rate	9.00%
10.625% Priority Guarantee Notes Due 2023
Debt Instrument [Line Items]
Total consolidated secured debt	$ 950,000,000	950,000,000
Stated interest rate	10.625%
Subsidiary Revolving Credit Facility Due 2018
Debt Instrument [Line Items]
Total consolidated secured debt	$ 0	0
Subsidiary Revolving Credit Facility Due 2018 | Revolving credit commitment
Debt Instrument [Line Items]
Maximum borrowings provided under credit facility	75,000,000.0
Other secured subsidiary debt
Debt Instrument [Line Items]
Total consolidated secured debt	14,609,000	20,987,000
14.0% Senior Notes Due 2021
Debt Instrument [Line Items]
Total debt	$ 1,746,460,000	1,729,168,000
Stated interest rate	14.00%
Interest paid per annum through issuance of payment-in-kind notes (as a percent)	2.00%
Legacy Notes
Debt Instrument [Line Items]
Total debt	$ 475,000,000	475,000,000
10.0% Senior Notes Due 2018
Debt Instrument [Line Items]
Total debt	$ 112,082,000	347,028,000
Stated interest rate	10.00%
Subsidiary Senior Notes due 2022
Debt Instrument [Line Items]
Total debt	$ 2,725,000,000	2,725,000,000
Subsidiary Senior Subordinated Notes due 2020
Debt Instrument [Line Items]
Total debt	2,200,000,000	2,200,000,000
Clear Channel International B.V. Senior Notes due 2020
Debt Instrument [Line Items]
Total debt	225,000,000	225,000,000
Other subsidiary debt
Debt Instrument [Line Items]
Total debt	29,608,000	27,954,000
Purchase accounting adjustments and original issue discount
Debt Instrument [Line Items]
Total debt	(154,916,000)	$ (166,961,000)
Senior Notes due 2016 | Legacy Notes
Debt Instrument [Line Items]
Total debt	$ 57,100,000