Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
CURRENT ASSETS
Cash and cash equivalents	$ 289,014	$ 457,024	$ 660,742
Accounts receivable, net of allowance of $30,193 in 2015 and $32,396 in 2014	1,242,075us-gaap_AccountsReceivableNetCurrent	1,395,248us-gaap_AccountsReceivableNetCurrent
Prepaid expenses	244,840us-gaap_PrepaidExpenseCurrent	191,572us-gaap_PrepaidExpenseCurrent
Other current assets	141,624us-gaap_OtherAssetsCurrent	136,299us-gaap_OtherAssetsCurrent
Total Current Assets	1,917,553us-gaap_AssetsCurrent	2,180,143us-gaap_AssetsCurrent
PROPERTY, PLANT AND EQUIPMENT
Structures, net	1,567,653us-gaap_MachineryAndEquipmentGross	1,614,199us-gaap_MachineryAndEquipmentGross
Other property, plant and equipment, net	1,018,137us-gaap_PropertyPlantAndEquipmentOther	1,084,865us-gaap_PropertyPlantAndEquipmentOther
INTANGIBLE ASSETS AND GOODWILL
Indefinite-lived intangibles - licenses	2,411,259	2,411,071
Indefinite-lived intangibles - permits	1,065,810	1,066,748
Other intangibles, net	1,141,481us-gaap_FiniteLivedIntangibleAssetsNet	1,206,727us-gaap_FiniteLivedIntangibleAssetsNet
Goodwill	4,170,632us-gaap_Goodwill	4,187,424us-gaap_Goodwill
OTHER ASSETS
Other assets	289,408us-gaap_OtherAssetsNoncurrent	289,065us-gaap_OtherAssetsNoncurrent
Total Assets	13,581,933us-gaap_Assets	14,040,242us-gaap_Assets	15,097,302us-gaap_Assets
CURRENT LIABILITIES
Accounts payable	132,419us-gaap_AccountsPayableCurrent	132,258us-gaap_AccountsPayableCurrent
Accrued expenses	718,418us-gaap_AccruedLiabilitiesCurrent	799,475us-gaap_AccruedLiabilitiesCurrent
Accrued interest	162,961us-gaap_InterestPayableCurrent	252,900us-gaap_InterestPayableCurrent
Deferred income	217,019us-gaap_DeferredRevenueCurrent	176,048us-gaap_DeferredRevenueCurrent
Other current liabilities	0us-gaap_OtherLiabilitiesCurrent	0us-gaap_OtherLiabilitiesCurrent
Current portion of long-term debt	2,844us-gaap_LongTermDebtCurrent	3,604us-gaap_LongTermDebtCurrent
Total Current Liabilities	1,233,661us-gaap_LiabilitiesCurrent	1,364,285us-gaap_LiabilitiesCurrent
Long-term debt	20,483,195us-gaap_LongTermDebtNoncurrent	20,322,414us-gaap_LongTermDebtNoncurrent
Deferred income taxes	1,566,965	1,563,888
Other long-term liabilities	451,795us-gaap_OtherLiabilitiesNoncurrent	454,863us-gaap_OtherLiabilitiesNoncurrent
Commitments and contingent liabilities
SHAREHOLDERS' DEFICIT
Noncontrolling interest	215,440us-gaap_MinorityInterest	224,140us-gaap_MinorityInterest
Additional Paid In Capital	2,086,005us-gaap_AdditionalPaidInCapital	2,102,789us-gaap_AdditionalPaidInCapital
Common Stock	89us-gaap_CommonStockValue	89us-gaap_CommonStockValue
Accumulated deficit	(12,067,356)	(11,682,390)
Accumulated other comprehensive loss	(386,609)	(308,590)
Cost of shares held in treasury	1,252us-gaap_TreasuryStockValue	1,246us-gaap_TreasuryStockValue
Total Shareholder's Deficit	(10,153,683)	(9,665,208)
Total Liabilities and Shareholders's Deficit	13,581,933	14,040,242
Class A common stock [Member]
SHAREHOLDERS' DEFICIT
Common Stock	29	29
Class B common stock [Member]
SHAREHOLDERS' DEFICIT
Common Stock	1	1
Class C common stock [Member]
SHAREHOLDERS' DEFICIT
Common Stock	$ 59	$ 59

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Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).