SHAREHOLDERS' DEFICIT - Summary of Unvested Options and Changes (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Parent Company
Options
Unvested at beginning of period (in shares)	682
Granted (in shares)	0
Vested (in shares)	(136)
Forfeited (in shares)	(3)
Unvested at end of period (in shares)	543	682
Weighted Average Grant Date Fair Value
Unvested at beginning of period (in dollars per share)	$ 15.99
Granted (in dollars per share)	0.00
Vested (in dollars per share)	1.39
Forfeited (in dollars per share)	10.00
Unvested at end of period (in dollars per share)	$ 19.74	$ 15.99
Total fair value of options vested	$ 0.2	$ 0.3	$ 0.3
CCOH
Options
Unvested at beginning of period (in shares)	1,690
Granted (in shares)	290
Vested (in shares)	(657)
Forfeited (in shares)	(159)
Unvested at end of period (in shares)	1,164	1,690
Weighted Average Grant Date Fair Value
Unvested at beginning of period (in dollars per share)	$ 4.27
Granted (in dollars per share)	2.82	$ 4.25	$ 4.69
Vested (in dollars per share)	4.18
Forfeited (in dollars per share)	4.22
Unvested at end of period (in dollars per share)	$ 3.97	$ 4.27
Total fair value of options vested	$ 2.7	$ 4.2	$ 6.1