Financing Arrangements and Derivative Financial Instruments - Notes Narrative (Details)	1 Months Ended		12 Months Ended
	Jun. 30, 2016 USD ($)	Jan. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2016 EUR (€)	Jan. 31, 2016 EUR (€)
Senior Notes
Debt Instrument [Line Items]
Redemption premium			$ 53,000,000	$ 41,000,000
6.75% Euro Notes due 2019 | Euro Notes
Debt Instrument [Line Items]
Debt instrument, principal amount | €						€ 250,000,000
Interest rate, stated percentage			6.75%	6.75%	6.75%	6.75%
Redemption premium		$ 9,000,000
Deferred financing fees write-off		$ 3,000,000
8.75% due 2020 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, principal amount			$ 282,000,000
Interest rate, stated percentage			8.75%	8.75%	8.75%
Effective yield			9.20%		9.20%
6.5% due 2021 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, principal amount	$ 900,000,000
Interest rate, stated percentage	6.50%		6.50%	6.50%	6.50%
Redemption premium	$ 44,000,000
Deferred financing fees write-off	$ 9,000,000
5.125% due 2023 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, principal amount			$ 1,000,000,000.0
Interest rate, stated percentage			5.125%	5.125%	5.125%
Notes sold, percentage of principle amount			100.00%		100.00%
Debt redemption, potential percentage of principal amount from equity offerings			35.00%
7% due 2022 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, principal amount			$ 700,000,000
Interest rate, stated percentage			7.00%	7.00%	7.00%
Notes sold, percentage of principle amount			100.00%		100.00%
3.75% Euro Notes due 2023 | Euro Notes
Debt Instrument [Line Items]
Debt instrument, principal amount | €					€ 250,000,000
Interest rate, stated percentage			3.75%	3.75%	3.75%
Notes sold, percentage of principle amount			100.00%		100.00%
Debt redemption, potential percentage of principal amount from equity offerings			35.00%
5% due 2026 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, principal amount			$ 900,000,000
Interest rate, stated percentage			5.00%	5.00%	5.00%
Notes sold, percentage of principle amount			100.00%		100.00%
Debt redemption, potential percentage of principal amount from equity offerings			35.00%
Debt redemption, redemption price from equity offerings			105.00%
7% due 2028 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, principal amount			$ 150,000,000
Interest rate, stated percentage			7.00%	7.00%	7.00%
Basis spread			0.15%
Period Commencing May 15, 2017 | 7% due 2022 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			103.50%
Period Commencing May 15, 2018 | 7% due 2022 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			102.333%
Period Commencing May 15, 2019 | 7% due 2022 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			101.167%
Period Commencing May 15, 2020 | 7% due 2022 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			100.00%
Period Prior to May 15, 2017 | 7% due 2022 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			100.00%
Period Commencing November 15, 2018 | 5.125% due 2023 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			102.563%
Period Commencing November 15, 2019 | 5.125% due 2023 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			101.281%
Period Commencing November 15, 2020 | 5.125% due 2023 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			100.00%
Period Prior to November 15, 2018 | 5.125% due 2023 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			100.00%
Debt redemption, redemption price from equity offerings			105.125%
Period Commencing December 15, 2018 | 3.75% Euro Notes due 2023 | Euro Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			101.875%
Period Commencing December 15, 2019 | 3.75% Euro Notes due 2023 | Euro Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			100.938%
Period Commencing December 15, 2020 | 3.75% Euro Notes due 2023 | Euro Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			100.00%
Period Prior to December 15, 2018 | 3.75% Euro Notes due 2023 | Euro Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			100.00%
Debt redemption, redemption price from equity offerings			103.75%
Period Commencing May 31, 2021 | 5% due 2026 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			102.50%
Period Commencing May 31, 2022 | 5% due 2026 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			101.667%
Period Commencing May 31, 2023 | 5% due 2026 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			100.833%
Period Commencing May 31, 2024 | 5% due 2026 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			100.00%
Period Prior to May 31, 2021 | 5% due 2026 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			100.00%
At Any Time Plus Make Whole Premium | 8.75% due 2020 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			100.00%
At Any Time Plus Make Whole Premium | 7% due 2028 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, redemption price			100.00%
Treasury Rate | 8.75% due 2020 | Senior Notes
Debt Instrument [Line Items]
Basis spread			0.50%