LENDING ACTIVITIES (Details 2) (USD $) In Millions, unless otherwise specified											12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2012 Apartments	Dec. 31, 2012 Offices	Dec. 31, 2012 Retail	Dec. 31, 2012 Industrial	Dec. 31, 2012 Hotel	Dec. 31, 2012 Others	Dec. 31, 2012 Commercial mortgages loan
Credit quality indicators for commercial mortgage loans
Number of loans in good standing											998
Number of loans restructured											8
Number of loans 90 days or less delinquent											4
Number of loans greater than 90 days delinquent or in process of foreclosure											6
Number of Loans											1,016
In good standing					$ 1,549	$ 4,698	$ 2,640	$ 1,654	$ 1,153	$ 1,671	$ 13,365
Restructured					50	207	7	2		22	288
90 days or less delinquent						17					17
Greater than 90 days delinquent or in process of foreclosure						13	26			79	118
Mortgage and other loans receivable, net	19,482	19,489			1,599	4,935	2,673	1,656	1,153	1,772	13,788
Valuation allowance	$ 405	$ 740	$ 878	$ 2,444	$ 5	$ 74	$ 19	$ 19	$ 1	$ 41	$ 159
Percentage of loans that are current as to payments of principal and interest											97.00%
Percentage restructured											2.00%
Percentage greater than 90 days delinquent or in foreclosure											1.00%
Percentage Total											100.00%
Percentage of loans with valuation allowance											1.00%