Equity and Accumulated Other Comprehensive Loss, Net (Redemption of Series F Preferred Stock) (Details) - USD ($) $ / shares in Units, $ in Millions	Apr. 05, 2017	Mar. 31, 2017	Dec. 31, 2016
Class of Stock [Line Items]
Preferred Stock, outstanding (shares)		41,900,000	41,900,000
Subsequent Event | Series F Preferred Units
Class of Stock [Line Items]
Preferred Stock, outstanding (shares)	7,300,000
Preferred Stock, dividend rate	6.625%
Redemption price per share (in dollars per share/unit)	$ 25.01840
Preferred Stock, liquidation preference (in dollars per share/unit)	$ 25.00
Redemption premium	$ 6.3