INVESTMENTS (Details 2) (USD $) In Millions, unless otherwise specified	Sep. 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	$ 83,144	$ 116,664
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	493	1,508
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	32,092	26,397
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	1,628	2,576
Total fair value of available for sale securities that have been in an unrealized loss position	115,236	143,061
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	2,121	4,084
Mortgage-backed securities - U.S. agency-sponsored
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	5,606	19,377
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	32	533
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	9,447	5,643
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	276	355
Total fair value of available for sale securities that have been in an unrealized loss position	15,053	25,020
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	308	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	4	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	2	3
Total fair value of available for sale securities that have been in an unrealized loss position	6	88
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position		3
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	382	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	547	5
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	7
Total fair value of available for sale securities that have been in an unrealized loss position	929	2,108
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	9	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	140	206
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	1	6
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	131	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	271	234
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	4	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	6,132	21,771
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	35	546
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	10,127	5,679
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	286	357
Total fair value of available for sale securities that have been in an unrealized loss position	16,259	27,450
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	321	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	45,334	34,780
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	177	133
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	1,173	268
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	13	14
Total fair value of available for sale securities that have been in an unrealized loss position	46,507	35,048
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	190	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	4,680	6,692
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	16	66
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	1,552	101
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	13	1
Total fair value of available for sale securities that have been in an unrealized loss position	6,232	6,793
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	29	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	50,014	41,472
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	193	199
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	2,725	369
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	26	15
Total fair value of available for sale securities that have been in an unrealized loss position	52,739	41,841
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	219	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	429	595
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	15	29
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	6,154	11,447
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	1,110	1,976
Total fair value of available for sale securities that have been in an unrealized loss position	6,583	12,042
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	1,125	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	22,487	35,783
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	176	477
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	7,447	5,778
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	117	63
Total fair value of available for sale securities that have been in an unrealized loss position	29,934	41,561
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	293	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	2,873	4,565
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	69	108
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	1,472	387
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	30	11
Total fair value of available for sale securities that have been in an unrealized loss position	4,345	4,952
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	99	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	1,117	11,207
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	1	57
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	3,936	1,931
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	27	63
Total fair value of available for sale securities that have been in an unrealized loss position	5,053	13,138
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	28	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	43	1,271
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	3	92
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	231	806
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	32	91
Total fair value of available for sale securities that have been in an unrealized loss position	274	2,077
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	$ 35	$ 183