INVESTMENTS (Details 5) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Held-to-maturity Securities, Continuous Unrealized Loss Position
Fair value less than 12 months	$ 2,243	$ 1,253
Gross unrecognized losses less than 12 months	19	36
Fair value 12 months or longer	5,038	858
Gross unrecognized losses 12 months or longer	351	339
Fair value, total	7,281	2,111
Gross unrecognized losses, total	370	375
Unrealized loss, other than temporary impairment, not credit loss, recorded in AOCI	(871)	(675)
Mortgage-backed securities
Held-to-maturity Securities, Continuous Unrealized Loss Position
Fair value less than 12 months	4
Fair value 12 months or longer	4,312	358
Gross unrecognized losses 12 months or longer	310	285
Fair value, total	4,316	358
Gross unrecognized losses, total	310	285
State and municipal securities
Held-to-maturity Securities, Continuous Unrealized Loss Position
Fair value less than 12 months	2,228	235
Gross unrecognized losses less than 12 months	18	20
Fair value 12 months or longer	551	302
Gross unrecognized losses 12 months or longer	32	50
Fair value, total	2,779	537
Gross unrecognized losses, total	50	70
Foreign government
Held-to-maturity Securities, Continuous Unrealized Loss Position
Fair value less than 12 months		920
Gross unrecognized losses less than 12 months		10
Fair value, total		920
Gross unrecognized losses, total		10
Asset-backed securities
Held-to-maturity Securities, Continuous Unrealized Loss Position
Fair value less than 12 months	11	98
Gross unrecognized losses less than 12 months	1	6
Fair value 12 months or longer	175	198
Gross unrecognized losses 12 months or longer	9	4
Fair value, total	186	296
Gross unrecognized losses, total	$ 10	$ 10