Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Glossary Antidilution
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Earnings Per Share Antidilutive (Details) shares in Millions	12 Months Ended
	Dec. 31, 2015 shares	Dec. 31, 2014 shares	Dec. 31, 2013 shares	Jul. 31, 2013 USD ($)	Jun. 30, 2012 EUR (€)
Convertible Senior Notes Due 2013 $575 Million 2.5% [Member]
Anti-dilutive securities:
Debt instrument, interest rate percentage	2.50%
Face amount of senior convertible notes \| $				$ 575,000,000.0
Convertible Senior Unsecured Note Due 2013 €500 Million 0.0% [Member]
Anti-dilutive securities:
Face amount of senior convertible notes \| €					€ 500,000,000
RSUs, stock options and SOSARs
Anti-dilutive securities:
Anti-dilutive security (in shares) \| shares	0.1	0.0	0.1