INVESTMENTS (Details 2) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
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	$ 116,664	$ 46,805
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	1,645	244
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	26,397	19,487
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	2,576	2,230
Total fair value of available for sale securities that have been in an unrealized loss position	143,061	66,292
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	4,221	2,474
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	19,377	8,759
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	533	138
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	5,643	464
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	355	25
Total fair value of available for sale securities that have been in an unrealized loss position	25,020	9,223
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	888	163
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	85	15
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	5
Total fair value of available for sale securities that have been in an unrealized loss position	88	20
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	2,103	5
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	4
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	5	7
Total fair value of available for sale securities that have been in an unrealized loss position	2,108	12
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	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	206	29
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	28	24
Gross unrealized losses 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	234	53
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	8	3
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	21,771	8,808
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	546	138
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	5,679	500
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	357	28
Total fair value of available for sale securities that have been in an unrealized loss position	27,450	9,308
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	903	166
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	34,780	9,374
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	133	11
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	268	105
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	14	5
Total fair value of available for sale securities that have been in an unrealized loss position	35,048	9,479
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	147	16
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	6,692	1,001
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	66	4
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	101
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	1
Total fair value of available for sale securities that have been in an unrealized loss position	6,793	1,001
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	67	4
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	41,472	10,375
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	199	15
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	369	105
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	15	5
Total fair value of available for sale securities that have been in an unrealized loss position	41,841	10,480
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	214	20
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	595	10
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	29
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	11,447	11,095
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	1,976	1,820
Total fair value of available for sale securities that have been in an unrealized loss position	12,042	11,105
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	2,005	1,820
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	35,783	24,235
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	614	78
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	5,778	3,910
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	63	76
Total fair value of available for sale securities that have been in an unrealized loss position	41,561	28,145
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	677	154
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	4,565	1,420
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	108	8
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	387	225
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	11	18
Total fair value of available for sale securities that have been in an unrealized loss position	4,952	1,645
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	119	26
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	11,207	1,942
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	57	4
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	1,931	2,888
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	63	139
Total fair value of available for sale securities that have been in an unrealized loss position	13,138	4,830
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	120	143
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	1,271	15
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for less than twelve months	92	1
Fair value of available for sale securities that have been in an unrealized loss position for twelve months or longer	806	764
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	91	144
Total fair value of available for sale securities that have been in an unrealized loss position	2,077	779
Total gross unrealized losses of available for sale securities that have been in an unrealized loss position	183	145
Fixed income instruments
Available for Sale Securities Continuous Unrealized Loss Position
Gross unrealized losses of available for sale securities that have been in an unrealized loss position for twelve months or longer	$ 2,485