Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Debt (Carrying And Principal Values Of Debt) (Details) (USD $)	12 Months Ended	0 Months Ended
	Dec. 31, 2014	Jul. 24, 2009	Sep. 28, 2012	Jul. 13, 2012	Jul. 01, 2014	Apr. 16, 2010	Aug. 09, 2012	Apr. 18, 2013	Oct. 15, 2014	Dec. 31, 2013	Apr. 24, 2009	Dec. 31, 2012
Debt Instrument [Line Items]
Principal Balance	$ 7,870,000,000us-gaap_DebtInstrumentCarryingAmount									$ 5,910,041,000us-gaap_DebtInstrumentCarryingAmount
Carrying Value	7,860,799,000us-gaap_LongTermDebt									5,876,607,000us-gaap_LongTermDebt
Less: current maturities of long-term debt	(32,500,000)us-gaap_LongTermDebtCurrent									(481,886,000)us-gaap_LongTermDebtCurrent
Total long-term debt, net of current maturities	7,828,299,000us-gaap_LongTermDebtNoncurrent									5,394,721,000us-gaap_LongTermDebtNoncurrent
4.0% Convertible Senior Notes [Member]
Debt Instrument [Line Items]
Principal Balance										499,944,000
Carrying Value										468,394,000
Debt instrument, maturity date	Oct. 01, 2014
Debt instrument, interest rate, stated percentage	4.00%								4.00%		4.00%
8.25% Senior Notes [Member]
Debt Instrument [Line Items]
Principal Balance										243,750,000
Carrying Value										242,387,000
Debt instrument, maturity date	Aug. 15, 2019	Aug. 15, 2019
Debt instrument, interest rate, stated percentage	8.25%	8.25%
5.625% Senior Notes [Member]
Debt Instrument [Line Items]
Principal Balance	500,000,000									500,000,000
Carrying Value	500,000,000									500,000,000
Debt instrument, maturity date	Oct. 01, 2019		Oct. 01, 2019
Debt instrument, interest rate, stated percentage	5.625%		5.625%
5.75% Senior Notes [Member]
Debt Instrument [Line Items]
Principal Balance	800,000,000									800,000,000
Carrying Value	800,000,000									800,000,000
Debt instrument, maturity date	Jul. 15, 2020			Jul. 15, 2020
Debt instrument, interest rate, stated percentage	5.75%			5.75%						5.75%
4.875% Senior Notes [Member]
Debt Instrument [Line Items]
Principal Balance	750,000,000
Carrying Value	744,150,000
Debt instrument, maturity date	Jul. 15, 2022				Jul. 15, 2022
Debt instrument, interest rate, stated percentage	4.875%				4.875%							4.875%
4.254% 2010-1 Tower Securities [Member]
Debt Instrument [Line Items]
Principal Balance										680,000,000
Carrying Value										680,000,000
Debt instrument, maturity date	Apr. 15, 2015					Apr. 16, 2040
Debt instrument, interest rate, stated percentage	4.254%					4.254%
5.101% 2010-2 Tower Securities [Member]
Debt Instrument [Line Items]
Principal Balance	550,000,000									550,000,000
Carrying Value	550,000,000									550,000,000
Debt instrument, maturity date	Apr. 17, 2017					Apr. 15, 2042
Debt instrument, interest rate, stated percentage	5.101%					5.101%
2.933% 2012-1 Tower Securities [Member]
Debt Instrument [Line Items]
Principal Balance	610,000,000									610,000,000
Carrying Value	610,000,000									610,000,000
Debt instrument, maturity date	Dec. 15, 2017						Dec. 15, 2042
Debt instrument, interest rate, stated percentage	2.933%						2.933%
2.240% 2013-1C Tower Securities [Member]
Debt Instrument [Line Items]
Principal Balance	425,000,000									425,000,000
Carrying Value	425,000,000									425,000,000
Debt instrument, maturity date	Apr. 16, 2018							Apr. 17, 2043
Debt instrument, interest rate, stated percentage	2.24%							2.24%
3.722% 2013-2C Tower Securities [Member]
Debt Instrument [Line Items]
Principal Balance	575,000,000									575,000,000
Carrying Value	575,000,000									575,000,000
Debt instrument, maturity date	Apr. 17, 2023							Apr. 17, 2048
Debt instrument, interest rate, stated percentage	3.722%							3.722%
3.598% 2013-1D Tower Securities [Member]
Debt Instrument [Line Items]
Principal Balance	330,000,000									330,000,000
Carrying Value	330,000,000									330,000,000
Debt instrument, maturity date	Apr. 16, 2018							Apr. 17, 2043
Debt instrument, interest rate, stated percentage	3.598%							3.598%
2.898% 2014-1C Tower Securities [Member]
Debt Instrument [Line Items]
Principal Balance	920,000,000
Carrying Value	920,000,000
Debt instrument, maturity date	Oct. 15, 2019								Oct. 17, 2044
Debt instrument, interest rate, stated percentage	2.898%								2.898%
3.869% 2014-2C Tower Securities [Member]
Debt Instrument [Line Items]
Principal Balance	620,000,000
Carrying Value	620,000,000
Debt instrument, maturity date	Oct. 15, 2024								Oct. 15, 2049
Debt instrument, interest rate, stated percentage	3.869%								3.869%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Principal Balance	125,000,000									215,000,000
Carrying Value	125,000,000									215,000,000
Debt instrument, maturity date	May 09, 2017
2011 Term Loan [Member]
Debt Instrument [Line Items]
Principal Balance										180,529,000
Carrying Value										180,234,000
Debt instrument, maturity date	Jun. 30, 2018
2012-1 Term Loan [Member]
Debt Instrument [Line Items]
Principal Balance	172,500,000									185,000,000
Carrying Value	172,500,000									185,000,000
Debt instrument, maturity date	May 09, 2017
2012-2 Term Loan [Member]
Debt Instrument [Line Items]
Principal Balance										109,971,000
Carrying Value										109,745,000
Debt instrument, maturity date	Sep. 28, 2019
2014 Term Loan [Member]
Debt Instrument [Line Items]
Principal Balance	1,492,500,000
Carrying Value	1,489,149,000
Debt instrument, maturity date	Mar. 24, 2021
BNDES Loans [Member]
Debt Instrument [Line Items]
Principal Balance										5,847,000
Carrying Value										$ 5,847,000