CONTINGENCIES (Details) (USD $)			1 Months Ended
Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2012 Subprime Mortgage-Related Litigation and Other Matters
CONTINGENCIES
Possible loss, high end of the range	$ 4,000,000,000	$ 4,000,000,000
Contingencies
Amount of settlement			$ 1,500,000

The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Interpretation (FIN)

-Number 14

-Paragraph 3

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_LossContingencyRangeOfPossibleLossPortionNotAccrued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant