Amount Payable to Public Shareholders of Subsidiary, If Rights Are Exercised

No definition available.

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- Definition

Debt Instrument, Period To Refinance Or Extend Term Of Instrument Before Substantial Doubt In Ability To Continue As A Going Concern

+ References

No definition available.

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- Definition

Long-Term Debt, Maturities, Repayments Of Interest In Next Twelve Months

+ References

No definition available.

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- Definition

Long-Term Debt, Maturities, Repayments Of Principal And Interest In Year Three

+ References

No definition available.

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- Definition

Long-Term Debt, Maturities, Repayments Of Principal And Interest In Year Two

+ References

No definition available.

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- Definition

Long-Term Debt, Maturities, Repayments Of Principal And Interest, Remainder Of Fiscal Year

+ References

No definition available.

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- Definition

Threshold For Operating Income Generated

+ References

No definition available.

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash
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-Subparagraph (SX 210.5-02.1)
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- Definition

The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.

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- Definition

Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Current Liabilities
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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
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- Definition

The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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-Subparagraph (SX 210.9-03(13))
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-Subparagraph (SX 210.5-02(19))
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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.

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-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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BASIS OF PRESENTATION (Detail) - USD ($)				1 Months Ended	9 Months Ended		12 Months Ended
BASIS OF PRESENTATION (Detail) - USD ($)	Nov. 08, 2017	Jul. 10, 2017	Feb. 07, 2017	Oct. 31, 2017	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016	Dec. 31, 2015	Mar. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Cash and cash equivalents					$ 286,370,000	$ 542,910,000	$ 845,030,000	$ 772,678,000
Operating income (in excess of)							1,000,000,000	$ 1,000,000,000.0
Cash used for operating activities					558,717,000	272,578,000
Cash paid for interest					1,426,438,000	$ 1,434,482,000
Debt maturities in 2017					366,900,000
Debt maturities in 2018					308,500,000
Debt maturities in 2019					8,368,900,000
Current portion of long-term debt					619,003,000		342,908,000
Cash interest payments in the next 12 months					1,800,000,000
Cash interest payment obligations					149,533,000		$ 264,170,000
Amount of Due from iHeartCommunications Note payable to stockholders of CCOH					110,400,000
Subsidiary
Debt Instrument [Line Items]
Cash and cash equivalents					222,400,000
Debt maturities in 2018					277,100,000
Receivables based credit facility
Debt Instrument [Line Items]
Excess availability under receivables based credit facility					$ 85,000,000
10.0% Senior Notes due 2018
Debt Instrument [Line Items]
Stated interest rate					10.00%
11.25% Priority Guarantee Notes Due 2021
Debt Instrument [Line Items]
Stated interest rate					11.25%
Senior Notes \| 10.0% Senior Notes due 2018
Debt Instrument [Line Items]
Stated interest rate		10.00%			10.00%
Senior Notes \| 10.0% Senior Notes due 2018 \| Subsidiary
Debt Instrument [Line Items]
Aggregate principal amount of Notes issued		$ 15,600,000
Senior Notes \| 6.875% Senior Notes due June 15, 2018
Debt Instrument [Line Items]
Current portion of long-term debt					$ 175,000,000
Stated interest rate					6.875%
Senior Notes \| 14% Senior Notes Due 2021
Debt Instrument [Line Items]
Stated interest rate					14.00%
Senior Notes \| 11.25% Priority Guarantee Notes Due 2021 \| Subsidiary
Debt Instrument [Line Items]
Aggregate principal amount of Notes issued			$ 476,400,000
Priority Guarantee Notes \| 11.25% Priority Guarantee Notes Due 2021
Debt Instrument [Line Items]
Stated interest rate		11.25%	11.25%
Aggregate principal amount of Notes issued			$ 241,400,000
Priority Guarantee Notes \| 11.25% Priority Guarantee Notes Due 2021 \| Subsidiary
Debt Instrument [Line Items]
Aggregate principal amount of notes exchanged that were held by a subsidiary		$ 15,600,000
Aggregate principal amount of Notes issued			$ 476,400,000
Subsequent Event \| Receivables based credit facility \| Receivables based credit facility
Debt Instrument [Line Items]
Outstanding under receivables based credit facility	$ 365,000,000
Subsequent Event \| Receivables based credit facility \| Receivables based credit facility \| Subsidiary
Debt Instrument [Line Items]
Outstanding under receivables based credit facility	365,000,000
Subsequent Event \| Senior Notes \| 10.0% Senior Notes due 2018
Debt Instrument [Line Items]
Current portion of long-term debt	$ 51,500,000
Stated interest rate				10.00%
Period to refinance or extend the maturity of receivables based credit facility	12 months
Subsequent Event \| Senior Notes \| 6.875% Senior Notes due June 15, 2018
Debt Instrument [Line Items]
Current portion of long-term debt	$ 175,000,000
Subsequent Event \| Senior Notes \| 14% Senior Notes Due 2021
Debt Instrument [Line Items]
Current portion of long-term debt	$ 24,800,000
Stated interest rate	14.00%
Subsequent Event \| Priority Guarantee Notes \| 10.0% Senior Notes due 2018
Debt Instrument [Line Items]
Stated interest rate				10.00%
Aggregate principal amount of Notes issued				$ 45,000,000
Subsequent Event \| Priority Guarantee Notes \| 11.25% Priority Guarantee Notes Due 2021
Debt Instrument [Line Items]
Stated interest rate				11.25%
Subsequent Event \| Priority Guarantee Notes \| 11.25% Priority Guarantee Notes Due 2021 \| Subsidiary
Debt Instrument [Line Items]
Aggregate principal amount of notes exchanged that were held by a subsidiary				$ 45,000,000
Scenario, Forecast
Debt Instrument [Line Items]
Cash interest payment obligations									$ 548,200,000	$ 344,600,000