Dispositions (Narrative) (Details) - Sale of LFM to Entercom [Member] - USD ($) $ in Millions		12 Months Ended
Jul. 16, 2015	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pre-Tax Proceeds	$ 75
Preferred stock received as consideration	$ 28
Income (Loss) from Continuing Operations Attributable to Parent		$ 2

The pre-tax inflow associated with the amount received from the sale of a segment of the company's business during the period.

No definition available.

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- Definition

Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

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- Definition

Amount after tax of income (loss) from continuing operations attributable to the parent.

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