DERIVATIVES ACTIVITIES - Net Investment Hedges (Details) (Net Investment Hedging, USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net Investment Hedging
Derivative gain (losses)
Net investment hedge ineffectiveness recorded in earnings	$ 0
Gain (loss) recognized in OCI, effective portion, net	$ 2,890,000,000	$ 2,370,000,000	$ (3,829,000,000)

Gain (loss) on hedging derivative instrument or the foreign currency transaction gain (loss) on the nonderivative hedging instrument designated as a hedge of a net investment in foreign operations related to hedge ineffectiveness, which is included in earnings in the period.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

Name:	us-gaap_AmountOfIneffectivenessOnNetInvestmentHedges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration