Equity And Accumulated Other Comprehensive Income, Net (Schedule Of Dividends/Distributions) (Details) (USD $)	3 Months Ended
	Mar. 31, 2015
Installment 1 FY2015
Dividends Payable [Line Items]
Date dividend/distribution declared	Feb. 25, 2015
Dividend/Distribution payment date	Mar. 31, 2015
Series E Preferred Units
Dividends Payable [Line Items]
Preferred stock dividend per share amount	1.75
Series E Preferred Units | Installment 1 FY2015
Dividends Payable [Line Items]
Dividends/Distributions, preferred stock	5,031,000
Series F Preferred Units
Dividends Payable [Line Items]
Preferred stock dividend per share amount	1.65625
Series F Preferred Units | Installment 1 FY2015
Dividends Payable [Line Items]
Dividends/Distributions, preferred stock	3,023,000
Series G Preferred Units
Dividends Payable [Line Items]
Preferred stock dividend per share amount	1.46875
Series G Preferred Units | Installment 1 FY2015
Dividends Payable [Line Items]
Dividends/Distributions, preferred stock	3,672,000
Series H Preferred Units
Dividends Payable [Line Items]
Preferred stock dividend per share amount	1.84375
Series H Preferred Units | Installment 1 FY2015
Dividends Payable [Line Items]
Dividends/Distributions, preferred stock	6,730,000
Common Stock
Dividends Payable [Line Items]
Common stock dividend per share amount	3.4
Common Stock | Installment 1 FY2015
Dividends Payable [Line Items]
Dividends/Distributions, common units	115,419,000