TOTAL EQUITY AND EARNINGS (LOSS) PER SHARE (Details)	1 Months Ended	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2012	Mar. 31, 2011
The following table presents a roll forward of outstanding shares:
Shares, beginning of year		9,746,617
Shares, beginning of year		1,906,568,099
Shares, beginning of year		1,896,821,482	140,463,159
Issuances (in shares)		74,107	1,218,822
Shares exchanged			1,655,037,962
Shares repurchased		(103,448,276)
Shares, end of period	113,167,239	113,167,239
Shares, end of period	1,906,614,552	1,906,614,552
Shares, end of period	1,793,447,313	1,793,447,313	1,796,719,943
Common Stock Issued
The following table presents a roll forward of outstanding shares:
Shares, beginning of year		1,906,568,099	147,124,067
Issuances (in shares)		46,453	1,218,766
Shares exchanged			1,655,037,962
Shares repurchased	206,896,552
Shares, end of period	1,906,614,552	1,906,614,552	1,803,380,795
Treasury Stock
The following table presents a roll forward of outstanding shares:
Shares, beginning of year		(9,746,617)	(6,660,908)
Issuances (in shares)		27,654	56
Shares repurchased		(103,448,276)
Shares, end of period	(113,167,239)	(113,167,239)	(6,660,852)
Series E | Preferred Stock
The following table presents a roll forward of outstanding shares:
Shares, beginning of year		0	400,000
Issuances (in shares)		0
Shares exchanged			(400,000)
Shares repurchased		0
Shares, end of period	0	0
Series F | Preferred Stock
The following table presents a roll forward of outstanding shares:
Shares, beginning of year		0	300,000
Issuances (in shares)		0
Shares exchanged			(300,000)
Shares repurchased		0
Shares, end of period	0	0
Series C | Preferred Stock
The following table presents a roll forward of outstanding shares:
Shares, beginning of year		0	100,000
Issuances (in shares)		0
Shares exchanged			(100,000)
Shares repurchased		0
Shares, end of period	0	0
Series G | Preferred Stock
The following table presents a roll forward of outstanding shares:
Shares, beginning of year		0
Issuances (in shares)		0	20,000
Shares repurchased		0
Shares, end of period	0	0	20,000