OTHER FINANCIAL DATA - VARIABLE INTEREST ENTITIES (Details) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Variable Interest Entities Disclosure [Abstract]
Equity of variable interest entity	$ 89	$ 113
Secured debt of variable interest entity	$ 360

Quantifies the net carrying amount.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS140-4 and FIN46(R)-8
-Paragraph C6
-Subparagraph c

Name:	us-gaap_VariableInterestCarryingAmount
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant