Subsequent Events (Tables)

9 Months Ended

Sep. 30, 2011

Subsequent Events [Abstract]

Schedule of Dividends Declared

Class	Quarterly Amount/Share	Record Date	Payment Date
Common	$0.17	November 16, 2011	November 30, 2011
Preferred (per depositary share):
Series J	$0.414063	November 16, 2011	November 30, 2011
Series K	$0.406250	November 16, 2011	November 30, 2011
Series L	$0.412500	November 16, 2011	November 30, 2011
Series M	$0.434375	December 16, 2011	December 31, 2011
Series O	$0.523438	December 16, 2011	December 31, 2011