Property, Plant And Equipment, Intangible Assets And Goodwill (Schedule Of Other Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Other Intangible Assets
Gross Carrying Amount	$ 3,125,341	$ 3,124,002
Accumulated Amortization	(1,725,018)	(1,657,456)
Transit, street furniture and other outdoor contractual rights [Member]
Other Intangible Assets
Gross Carrying Amount	778,815	777,521
Accumulated Amortization	(482,518)	(464,548)
Customer/advertiser relationships [Member]
Other Intangible Assets
Gross Carrying Amount	1,212,745	1,212,745
Accumulated Amortization	(675,838)	(645,988)
Talent contracts [Member]
Other Intangible Assets
Gross Carrying Amount	319,384	319,617
Accumulated Amortization	(202,393)	(195,403)
Representation contracts [Member]
Other Intangible Assets
Gross Carrying Amount	253,090	252,961
Accumulated Amortization	(206,282)	(200,058)
Permanent easements [Member]
Other Intangible Assets
Gross Carrying Amount	173,882	173,753
Accumulated Amortization	0	0
Other [Member]
Other Intangible Assets
Gross Carrying Amount	387,425	387,405
Accumulated Amortization	$ (157,987)	$ (151,459)