TOTAL EQUITY AND EARNINGS (LOSS) PER SHARE (Details 2) (USD $)	3 Months Ended	1 Months Ended		3 Months Ended
	Mar. 31, 2012	Mar. 31, 2012 Common Stock	Mar. 13, 2012 Common Stock	Mar. 31, 2012 Common Stock Maximum	Mar. 31, 2012 Treasury Stock	Mar. 31, 2012 Series E Preferred Stock	Mar. 31, 2012 Series F Preferred Stock	Mar. 31, 2012 Series C Preferred Stock
Share Issuances and Repurchases
Aggregate purchase amount				$ 3,000,000,000
Shares repurchased	(103,448,276)	206,896,552			(103,448,276)	0	0	0
Public offering price (in dollars per share)			$ 29.00
Shares repurchased	$ 3,000,000,000				$ 3,000,000,000