INVESTMENTS (Details 4) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Debt Securities Held-to-maturity
Amortized cost	$ 11,274	$ 11,662
Net unrealized losses recognized in AOCI	675	1,532
Carrying value	10,599	10,130
Gross unrecognized gains	769	917
Gross unrecognized losses	375	403
Fair value	10,993	10,644
Mortgage-backed securities - Prime
Debt Securities Held-to-maturity
Amortized cost	72	258
Net unrealized losses recognized in AOCI	16	49
Carrying value	56	209
Gross unrecognized gains	5	30
Gross unrecognized losses	2	4
Fair value	59	235
Mortgage-backed securities - Alt-A
Debt Securities Held-to-maturity
Amortized cost	1,379	2,969
Net unrealized losses recognized in AOCI	287	837
Carrying value	1,092	2,132
Gross unrecognized gains	449	653
Gross unrecognized losses	263	250
Fair value	1,278	2,535
Mortgage-backed securities - Subprime
Debt Securities Held-to-maturity
Amortized cost	2	201
Net unrealized losses recognized in AOCI		43
Carrying value	2	158
Gross unrecognized gains	1	13
Gross unrecognized losses		21
Fair value	3	150
Mortgage-backed securities - Non-U.S. residential
Debt Securities Held-to-maturity
Amortized cost	1,372	2,488
Net unrealized losses recognized in AOCI	206	401
Carrying value	1,166	2,087
Gross unrecognized gains	60	50
Gross unrecognized losses	20	81
Fair value	1,206	2,056
Mortgage-backed securities - Commercial
Debt Securities Held-to-maturity
Amortized cost	10	123
Carrying value	10	123
Gross unrecognized gains	1	1
Gross unrecognized losses		2
Fair value	11	122
Mortgage-backed securities
Debt Securities Held-to-maturity
Amortized cost	2,835	6,039
Net unrealized losses recognized in AOCI	509	1,330
Carrying value	2,326	4,709
Gross unrecognized gains	516	747
Gross unrecognized losses	285	358
Fair value	2,557	5,098
State and municipal securities
Debt Securities Held-to-maturity
Amortized cost	1,394	1,278
Net unrealized losses recognized in AOCI	62	73
Carrying value	1,332	1,205
Gross unrecognized gains	50	89
Gross unrecognized losses	70	37
Fair value	1,312	1,257
Foreign government
Debt Securities Held-to-maturity
Amortized cost	5,628	2,987
Carrying value	5,628	2,987
Gross unrecognized gains	70
Gross unrecognized losses	10
Fair value	5,688	2,987
Corporate
Debt Securities Held-to-maturity
Amortized cost	818	829
Net unrealized losses recognized in AOCI	78	103
Carrying value	740	726
Gross unrecognized gains	111	73
Fair value	851	799
Asset-backed securities
Debt Securities Held-to-maturity
Amortized cost	599	529
Net unrealized losses recognized in AOCI	26	26
Carrying value	573	503
Gross unrecognized gains	22	8
Gross unrecognized losses	10	8
Fair value	$ 585	$ 503