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Debt (Carrying And Principal Values Of Debt) (Details) (USD $)			0 Months Ended	9 Months Ended		0 Months Ended	9 Months Ended		0 Months Ended	9 Months Ended		0 Months Ended	9 Months Ended		0 Months Ended	9 Months Ended		0 Months Ended	9 Months Ended		0 Months Ended	9 Months Ended		0 Months Ended	9 Months Ended		0 Months Ended	9 Months Ended		0 Months Ended	9 Months Ended		0 Months Ended	9 Months Ended		9 Months Ended		9 Months Ended		9 Months Ended		9 Months Ended		0 Months Ended	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Apr. 29, 2009 4.0% Convertible Senior Notes [Member]	Sep. 30, 2014 4.0% Convertible Senior Notes [Member]	Dec. 31, 2013 4.0% Convertible Senior Notes [Member]	Jul. 24, 2009 8.25% Senior Notes [Member]	Sep. 30, 2014 8.25% Senior Notes [Member]	Dec. 31, 2013 8.25% Senior Notes [Member]	Sep. 28, 2012 5.625% Senior Notes [Member]	Sep. 30, 2014 5.625% Senior Notes [Member]	Dec. 31, 2013 5.625% Senior Notes [Member]	Jul. 13, 2012 5.75% Senior Notes [Member]	Sep. 30, 2014 5.75% Senior Notes [Member]	Dec. 31, 2013 5.75% Senior Notes [Member]	Jul. 01, 2014 4.875% Senior Notes [Member]	Sep. 30, 2014 4.875% Senior Notes [Member]	Jul. 01, 2014 4.875% Senior Notes [Member]	Apr. 16, 2010 4.254% 2010-1 Tower Securities [Member]	Sep. 30, 2014 4.254% 2010-1 Tower Securities [Member]	Dec. 31, 2013 4.254% 2010-1 Tower Securities [Member]	Apr. 16, 2010 5.101% 2010-2 Tower Securities [Member]	Sep. 30, 2014 5.101% 2010-2 Tower Securities [Member]	Dec. 31, 2013 5.101% 2010-2 Tower Securities [Member]	Aug. 09, 2012 2.933% 2012-1 Tower Securities [Member]	Sep. 30, 2014 2.933% 2012-1 Tower Securities [Member]	Dec. 31, 2013 2.933% 2012-1 Tower Securities [Member]	Apr. 18, 2013 2.240% 2013-1C Tower Securities [Member]	Sep. 30, 2014 2.240% 2013-1C Tower Securities [Member]	Dec. 31, 2013 2.240% 2013-1C Tower Securities [Member]	Apr. 18, 2013 3.722% 2013-2C Tower Securities [Member]	Sep. 30, 2014 3.722% 2013-2C Tower Securities [Member]	Dec. 31, 2013 3.722% 2013-2C Tower Securities [Member]	Apr. 18, 2013 3.598% 2013-1D Tower Securities [Member]	Sep. 30, 2014 3.598% 2013-1D Tower Securities [Member]	Dec. 31, 2013 3.598% 2013-1D Tower Securities [Member]	Sep. 30, 2014 Revolving Credit Facility [Member]	Dec. 31, 2013 Revolving Credit Facility [Member]	Sep. 30, 2014 2011 Term Loan [Member]	Dec. 31, 2013 2011 Term Loan [Member]	Sep. 30, 2014 2012-1 Term Loan [Member]	Dec. 31, 2013 2012-1 Term Loan [Member]	Sep. 30, 2014 2012-2 Term Loan [Member]	Dec. 31, 2013 2012-2 Term Loan [Member]	Feb. 07, 2014 2014 Term Loan [Member]	Sep. 30, 2014 2014 Term Loan [Member]	Dec. 31, 2013 2014 Term Loan [Member]	Dec. 31, 2013 BNDES Loans [Member]
Debt Instrument [Line Items]
Principal Balance	$ 7,559,568,000	$ 5,910,041,000		$ 367,068,000	$ 499,944,000			$ 243,750,000		$ 500,000,000	$ 500,000,000		$ 800,000,000	$ 800,000,000		$ 750,000,000			$ 680,000,000	$ 680,000,000		$ 550,000,000	$ 550,000,000		$ 610,000,000	$ 610,000,000		$ 425,000,000	$ 425,000,000		$ 575,000,000	$ 575,000,000		$ 330,000,000	$ 330,000,000	$ 300,000,000	$ 215,000,000		$ 180,529,000	$ 176,250,000	$ 185,000,000		$ 109,971,000		$ 1,496,250,000		$ 5,847,000
Carrying Value	7,550,088,000	5,876,607,000		367,068,000	468,394,000			242,387,000		500,000,000	500,000,000		800,000,000	800,000,000		743,992,000			680,000,000	680,000,000		550,000,000	550,000,000		610,000,000	610,000,000		425,000,000	425,000,000		575,000,000	575,000,000		330,000,000	330,000,000	300,000,000	215,000,000		180,234,000	176,250,000	185,000,000		109,745,000		1,492,778,000		5,847,000
Less: current maturities of long-term debt	(1,078,318,000)	(481,886,000)
Total long-term debt, net of current maturities	$ 6,471,770,000	$ 5,394,721,000
Debt instrument, maturity date			Oct. 01, 2014	Oct. 01, 2014		Aug. 15, 2019	Aug. 15, 2019		Oct. 01, 2019	Oct. 01, 2019		Jul. 15, 2020	Jul. 15, 2020		Jul. 15, 2022	Jul. 15, 2022		Apr. 16, 2040	Apr. 15, 2015		Apr. 15, 2042	Apr. 17, 2017		Dec. 15, 2042	Dec. 15, 2017		Apr. 15, 2043	Apr. 16, 2018		Apr. 15, 2048	Apr. 17, 2023		Apr. 15, 2043	Apr. 16, 2018		May 09, 2017		Jun. 30, 2018		May 09, 2017		Sep. 28, 2019		Mar. 24, 2021	Mar. 24, 2021
Debt instrument, interest rate, stated percentage			4.00%	4.00%		8.25%	8.25%		5.625%	5.625%		5.75%	5.75%			4.875%	4.875%	4.254%	4.254%		5.101%	5.101%		2.933%	2.933%		2.24%	2.24%		3.722%	3.722%		3.598%	3.598%

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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.

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

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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