The terms of the indenture for these notes, among other things, limit the ability of the Company and certain of its subsidiaries, including GDTE, to (i) incur additional debt or issue redeemable preferred stock, (ii) pay dividends or make certain other restricted payments or investments, (iii) incur liens, (iv) sell assets, (v) incur restrictions on the ability of our subsidiaries to pay dividends to us, (vi) enter into affiliate transactions, (vii) engage in sale and leaseback transactions, and (viii) consolidate, merge, sell or otherwise dispose of all or substantially all of our assets. These covenants are subject to significant exceptions and qualifications. For example, if these notes are assigned an investment grade rating by Moody’s and Standard & Poor's and no default has occurred or is continuing, certain covenants will be suspended.

The terms of the indenture for these notes, among other things, limit the ability of the Company and certain of its subsidiaries to (i) incur additional debt or issue redeemable preferred stock, (ii) pay dividends or make certain other restricted payments or investments, (iii) incur liens, (iv) sell assets, (v) incur restrictions on the ability of our subsidiaries to pay dividends to us, (vi) enter into affiliate transactions, (vii) engage in sale and leaseback transactions, and (viii) consolidate, merge, sell or otherwise dispose of all or substantially all of our assets. These covenants are subject to significant exceptions and qualifications. For example, if these notes are assigned an investment grade rating by Moody’s and Standard & Poor's and no default has occurred or is continuing, certain covenants will be suspended.

The terms of the indenture for these notes, among other things, limit our ability and the ability of certain of our subsidiaries to (i) incur secured debt, (ii) engage in sale and leaseback transactions, and (iii) consolidate, merge, sell or otherwise dispose of all or substantially all of our assets. These covenants are subject to significant exceptions and qualifications.

Financing Arrangements and Derivative Financial Instruments Senior Notes (Details) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014 6.75% Euro Notes due 2019 EUR (€)	Dec. 31, 2014 6.75% Euro Notes due 2019 Period Prior to April 15, 2015 plus Make Whole Premium	Dec. 31, 2014 6.75% Euro Notes due 2019 Period Commencing April 15, 2015	Dec. 31, 2014 6.75% Euro Notes due 2019 Period Commencing April 15, 2016	Dec. 31, 2014 6.75% Euro Notes due 2019 Period Commencing April 15, 2017	Dec. 31, 2014 8.25% Senior Notes due 2020 USD ($)	Dec. 31, 2014 8.25% Senior Notes due 2020 Period Prior to August 15, 2015 plus Make Whole Premium	Dec. 31, 2014 8.25% Senior Notes due 2020 Period Commencing August 15, 2015	Dec. 31, 2014 8.25% Senior Notes due 2020 Period Commencing August 15, 2016	Dec. 31, 2014 8.25% Senior Notes due 2020 Period Commencing August 15, 2017	Dec. 31, 2014 8.25% Senior Notes due 2020 Period Commencing August 15, 2018	Dec. 31, 2014 8.75% Notes due 2020 USD ($)	Dec. 31, 2014 8.75% Notes due 2020 At any time plus Make Whole Premium	Dec. 31, 2014 6.5% Notes due 2021 USD ($)	Dec. 31, 2014 6.5% Notes due 2021 Period Prior to March 1, 2016 plus Make Whole Premium	Dec. 31, 2014 6.5% Notes due 2021 Period Commencing March 1, 2016	Dec. 31, 2014 6.5% Notes due 2021 Period Commencing March 1, 2017	Dec. 31, 2014 6.5% Notes due 2021 Period Commencing March 1, 2018	Dec. 31, 2014 6.5% Notes due 2021 Period Commencing March 1, 2019	Dec. 31, 2014 6.5% Notes due 2021 Period Prior to March 1, 2016	Dec. 31, 2014 7% Notes due 2022 USD ($)	Dec. 31, 2014 7% Notes due 2022 Prior to May 15, 2015 plus Make Whole Premium	Dec. 31, 2014 7% Notes due 2022 Prior to May 15, 2017 plus Make Whole Premium	Dec. 31, 2014 7% Notes due 2022 Period Commencing May 15, 2017	Dec. 31, 2014 7% Notes due 2022 Period Commencing May 15, 2018	Dec. 31, 2014 7% Notes due 2022 Period Commencing May 15, 2019	Dec. 31, 2014 7% Notes due 2022 Period Commencing May 15, 2020	Dec. 31, 2014 7% Notes due 2028 USD ($)	Dec. 31, 2014 7% Notes due 2028 At any time plus Make Whole Premium
Debt Instrument [Line Items]
Debt Instrument, Face Amount	€ 250					$ 1,000						$ 282		$ 900							$ 700							$ 150
Debt Instrument, Interest Rate, Stated Percentage	6.75%					8.25%						8.75%		6.50%							7.00%							7.00%
Debt Instrument, Interest Rate, Effective Percentage						8.349%						9.20%
Notes sold at as a percentage of principle amount	100.00%													100.00%							100.00%
Debt Instrument, Maturity Date	Apr. 15, 2019					Aug. 15, 2020						Aug. 15, 2020		Mar. 01, 2021							May 15, 2022							Mar. 15, 2028
Debt Instrument, Redemption Price, Percentage		100.00%	103.375%	101.688%	100.00%		100.00%	104.125%	102.75%	101.375%	100.00%		100.00%		100.00%	104.875%	103.25%	101.625%	100.00%				100.00%	103.50%	102.333%	101.167%	100.00%		100.00%
Percent of Notes That May Be Redeemed With Certain Equity Offerings														35.00%							35.00%
Redemption Price In Percentage With Proceeds Of Certain Equity Offerings																				106.50%		107.00%
Debt Instrument, Restrictive Covenants	The terms of the indenture for these notes, among other things, limit the ability of the Company and certain of its subsidiaries, including GDTE, to (i) incur additional debt or issue redeemable preferred stock, (ii) pay dividends or make certain other restricted payments or investments, (iii) incur liens, (iv) sell assets, (v) incur restrictions on the ability of our subsidiaries to pay dividends to us, (vi) enter into affiliate transactions, (vii) engage in sale and leaseback transactions, and (viii) consolidate, merge, sell or otherwise dispose of all or substantially all of our assets. These covenants are subject to significant exceptions and qualifications. For example, if these notes are assigned an investment grade rating by Moody’s and Standard & Poor's and no default has occurred or is continuing, certain covenants will be suspended.					The terms of the indenture for these notes, among other things, limit the ability of the Company and certain of its subsidiaries to (i) incur additional debt or issue redeemable preferred stock, (ii) pay dividends or make certain other restricted payments or investments, (iii) incur liens, (iv) sell assets, (v) incur restrictions on the ability of our subsidiaries to pay dividends to us, (vi) enter into affiliate transactions, (vii) engage in sale and leaseback transactions, and (viii) consolidate, merge, sell or otherwise dispose of all or substantially all of our assets. These covenants are subject to significant exceptions and qualifications. For example, if these notes are assigned an investment grade rating by Moody’s and Standard & Poor's and no default has occurred or is continuing, certain covenants will be suspended.						The terms of the indenture for these notes, among other things, limit our ability and the ability of certain of our subsidiaries to (i) incur secured debt, (ii) engage in sale and leaseback transactions, and (iii) consolidate, merge, sell or otherwise dispose of all or substantially all of our assets. These covenants are subject to significant exceptions and qualifications.		The terms of the indenture for these notes, among other things, limit the ability of the Company and certain of its subsidiaries to (i) incur additional debt or issue redeemable preferred stock, (ii) pay dividends or make certain other restricted payments or investments, (iii) incur liens, (iv) sell assets, (v) incur restrictions on the ability of our subsidiaries to pay dividends to us, (vi) enter into affiliate transactions, (vii) engage in sale and leaseback transactions, and (viii) consolidate, merge, sell or otherwise dispose of all or substantially all of our assets. These covenants are subject to significant exceptions and qualifications. For example, if these notes are assigned an investment grade rating by Moody’s and Standard & Poor's and no default has occurred or is continuing, certain covenants will be suspended.							The terms of the indenture for these notes, among other things, limit the ability of the Company and certain of its subsidiaries to (i) incur additional debt or issue redeemable preferred stock, (ii) pay dividends or make certain other restricted payments or investments, (iii) incur liens, (iv) sell assets, (v) incur restrictions on the ability of our subsidiaries to pay dividends to us, (vi) enter into affiliate transactions, (vii) engage in sale and leaseback transactions, and (viii) consolidate, merge, sell or otherwise dispose of all or substantially all of our assets. These covenants are subject to significant exceptions and qualifications. For example, if these notes are assigned an investment grade rating by Moody’s and Standard & Poor's and no default has occurred or is continuing, certain covenants will be suspended.							The terms of the indenture for these notes, among other things, limit our ability and the ability of certain of our subsidiaries to (i) incur secured debt, (ii) engage in sale and leaseback transactions, and (iii) consolidate, merge, sell or otherwise dispose of all or substantially all of our assets. These covenants are subject to significant exceptions and qualifications.