LONG-TERM DEBT - Schedule Of Long-Term Debt (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2017	Feb. 07, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Total consolidated secured debt	$ 13,135,592,000		$ 12,925,802,000
Total debt	20,370,461,000		20,364,988,000
Long-term debt fees	(114,827,000)		(123,003,000)
Less: current portion	435,876,000		342,908,000
Total long-term debt	19,934,585,000		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
Total debt		$ 234,900,000
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	20,831,000		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	27,193,000		27,954,000
Purchase accounting adjustments and original issue discount
Debt Instrument [Line Items]
Total debt	(161,039,000)		$ (166,961,000)
Senior Notes due 2016 | Legacy Notes | Subsidiary
Debt Instrument [Line Items]
Total debt	$ 57,100,000