Property, Plant And Equipment, Intangible Assets And Goodwill (Schedule Of Other Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Other Intangible Assets
Gross Carrying Amount	$ 3,125,777	$ 3,124,002
Accumulated Amortization	(1,788,983)	(1,657,456)
Transit, street furniture and other outdoor contractual rights [Member]
Other Intangible Assets
Gross Carrying Amount	777,430	777,521
Accumulated Amortization	(497,061)	(464,548)
Customer/advertiser relationships [Member]
Other Intangible Assets
Gross Carrying Amount	1,212,745	1,212,745
Accumulated Amortization	(705,688)	(645,988)
Talent contracts [Member]
Other Intangible Assets
Gross Carrying Amount	319,384	319,617
Accumulated Amortization	(209,615)	(195,403)
Representation contracts [Member]
Other Intangible Assets
Gross Carrying Amount	254,187	252,961
Accumulated Amortization	(212,359)	(200,058)
Permanent easements [Member]
Other Intangible Assets
Gross Carrying Amount	174,597	173,753
Accumulated Amortization	0	0
Other [Member]
Other Intangible Assets
Gross Carrying Amount	387,434	387,405
Accumulated Amortization	$ (164,260)	$ (151,459)