INVESTMENTS (Details 2) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Available for Sale Securities Continuous Unrealized Loss Position
Fair value of available for sale securities that have been in an unrealized loss position for less than twelve months	$ 51,232	$ 116,664
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	343	1,508
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	32,747	26,397
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	2,312	2,576
Total fair value of available for sale securities that have been in an unrealized loss position	83,979	143,061
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	2,655	4,084
Mortgage-backed securities - U.S. government-sponsored agency guaranteed
Available for Sale Securities Continuous Unrealized Loss Position
Fair value of available for sale securities that have been in an unrealized loss position for less than twelve months	3,970	19,377
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	26	533
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	11,912	5,643
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	291	355
Total fair value of available for sale securities that have been in an unrealized loss position	15,882	25,020
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	317	888
Mortgage-backed securities - Prime
Available for Sale Securities Continuous Unrealized Loss Position
Fair value of available for sale securities that have been in an unrealized loss position for less than twelve months	2	85
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months		3
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	3	3
Total fair value of available for sale securities that have been in an unrealized loss position	5	88
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position		3
Mortgage-backed securities - Alt-A
Available for Sale Securities Continuous Unrealized Loss Position
Fair value of available for sale securities that have been in an unrealized loss position for less than twelve months	1
Total fair value of available for sale securities that have been in an unrealized loss position	1
Mortgage-backed securities - Non-U.S. residential
Available for Sale Securities Continuous Unrealized Loss Position
Fair value of available for sale securities that have been in an unrealized loss position for less than twelve months	504	2,103
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	2	4
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	545	5
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	6
Total fair value of available for sale securities that have been in an unrealized loss position	1,049	2,108
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	8	4
Mortgage-backed securities - Commercial
Available for Sale Securities Continuous Unrealized Loss Position
Fair value of available for sale securities that have been in an unrealized loss position for less than twelve months	44	206
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months		6
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	128	28
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	3	2
Total fair value of available for sale securities that have been in an unrealized loss position	172	234
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	3	8
Mortgage-backed securities
Available for Sale Securities Continuous Unrealized Loss Position
Fair value of available for sale securities that have been in an unrealized loss position for less than twelve months	4,521	21,771
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	28	546
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	12,588	5,679
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	300	357
Total fair value of available for sale securities that have been in an unrealized loss position	17,109	27,450
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	328	903
U.S. Treasury
Available for Sale Securities Continuous Unrealized Loss Position
Fair value of available for sale securities that have been in an unrealized loss position for less than twelve months	20,663	34,780
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	45	133
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	1,085	268
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	16	14
Total fair value of available for sale securities that have been in an unrealized loss position	21,748	35,048
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	61	147
Agency obligations
Available for Sale Securities Continuous Unrealized Loss Position
Fair value of available for sale securities that have been in an unrealized loss position for less than twelve months	2,203	6,692
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	10	66
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	1,484	101
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	9	1
Total fair value of available for sale securities that have been in an unrealized loss position	3,687	6,793
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	19	67
U.S. Treasury and federal agency securities
Available for Sale Securities Continuous Unrealized Loss Position
Fair value of available for sale securities that have been in an unrealized loss position for less than twelve months	22,866	41,472
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	55	199
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	2,569	369
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	25	15
Total fair value of available for sale securities that have been in an unrealized loss position	25,435	41,841
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	80	214
State and municipal securities
Available for Sale Securities Continuous Unrealized Loss Position
Fair value of available for sale securities that have been in an unrealized loss position for less than twelve months	489	595
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	19	29
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	5,932	11,447
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	1,737	1,976
Total fair value of available for sale securities that have been in an unrealized loss position	6,421	12,042
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	1,756	2,005
Foreign government
Available for Sale Securities Continuous Unrealized Loss Position
Fair value of available for sale securities that have been in an unrealized loss position for less than twelve months	17,858	35,783
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	154	477
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	7,124	5,778
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	100	63
Total fair value of available for sale securities that have been in an unrealized loss position	24,982	41,561
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	254	540
Corporate
Available for Sale Securities Continuous Unrealized Loss Position
Fair value of available for sale securities that have been in an unrealized loss position for less than twelve months	1,402	4,565
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	60	108
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	1,428	387
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	22	11
Total fair value of available for sale securities that have been in an unrealized loss position	2,830	4,952
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	82	119
Asset-backed securities
Available for Sale Securities Continuous Unrealized Loss Position
Fair value of available for sale securities that have been in an unrealized loss position for less than twelve months	4,025	11,207
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	24	57
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	2,429	1,931
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	59	63
Total fair value of available for sale securities that have been in an unrealized loss position	6,454	13,138
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	83	120
Other debt securities
Available for Sale Securities Continuous Unrealized Loss Position
Fair value of available for sale securities that have been in an unrealized loss position for less than twelve months	49
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	1
Total fair value of available for sale securities that have been in an unrealized loss position	49
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	1
Equity securities
Available for Sale Securities Continuous Unrealized Loss Position
Fair value of available for sale securities that have been in an unrealized loss position for less than twelve months	22	1,271
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	2	92
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	677	806
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	69	91
Total fair value of available for sale securities that have been in an unrealized loss position	699	2,077
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	$ 71	$ 183