INVESTMENTS (Details 9) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended							3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended				3 Months Ended	6 Months Ended
	Jun. 30, 2013 AFS debt securities	Jun. 30, 2013 AFS debt securities	Jun. 30, 2013 AFS debt securities Mortgage-backed securities	Mar. 31, 2013 AFS debt securities Mortgage-backed securities	Dec. 31, 2012 AFS debt securities Mortgage-backed securities	Jun. 30, 2013 AFS debt securities Foreign government securities	Mar. 31, 2013 AFS debt securities Foreign government securities	Dec. 31, 2012 AFS debt securities Foreign government securities	Jun. 30, 2013 AFS debt securities Corporate	Jun. 30, 2013 AFS debt securities Corporate	Jun. 30, 2013 AFS debt securities All other debt securities	Jun. 30, 2013 AFS debt securities All other debt securities	Jun. 30, 2013 HTM debt securities	Jun. 30, 2013 HTM debt securities	Jun. 30, 2013 HTM debt securities Mortgage-backed securities	Jun. 30, 2013 HTM debt securities Mortgage-backed securities	Jun. 30, 2013 HTM debt securities Corporate	Mar. 31, 2013 HTM debt securities Corporate	Dec. 31, 2012 HTM debt securities Corporate	Jun. 30, 2013 HTM debt securities All other debt securities	Jun. 30, 2013 HTM debt securities All other debt securities
Schedule of other-than-temporary impairment, credit losses recognized in earnings, roll forward
Balance at beginning of period	$ 719	$ 717	$ 295	$ 295	$ 295	$ 169	$ 169	$ 169	$ 116	$ 116	$ 139	$ 137	$ 1,037	$ 1,060	$ 846	$ 869	$ 56	$ 56	$ 56	$ 135	$ 135
Credit impairments recognized in earnings on securities not previously impaired	3	5									3	5	1	11		10				1	1
Credit impairments recognized in earnings on securities that have been previously impaired														1		1
Reductions due to credit impaired securities sold, transferred or matured	(1)	(1)							(1)	(1)			(126)	(160)	(122)	(156)				(4)	(4)
Balance at end of period	$ 721	$ 721	$ 295	$ 295	$ 295	$ 169	$ 169	$ 169	$ 115	$ 115	$ 142	$ 142	$ 912	$ 912	$ 724	$ 724	$ 56	$ 56	$ 56	$ 132	$ 132