FAIR VALUE MEASUREMENTS (Details - Quantitative Information About Level 3 Fair Value Measurements - Assets) (Level 3, USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Corporate debt
Fair value inputs, assets, quantitative information
Fair Value	1,085
Corporate debt | Discounted cash flow
Fair value inputs, assets, quantitative information
Fair Value		1,145
Corporate debt | Discounted cash flow | Minimum
Fair value inputs, assets, quantitative information
Yield	3.77%	3.46%
Corporate debt | Discounted cash flow | Maximum
Fair value inputs, assets, quantitative information
Yield	8.21%	8.75%
Corporate debt | Discounted cash flow | Weighted-average
Fair value inputs, assets, quantitative information
Yield	5.99%	6.10%
Residential mortgage backed securities
Fair value inputs, assets, quantitative information
Fair Value	18,003
Residential mortgage backed securities | Discounted cash flow
Fair value inputs, assets, quantitative information
Fair Value		17,353
Residential mortgage backed securities | Discounted cash flow | Minimum
Fair value inputs, assets, quantitative information
Yield	2.79%	2.67%
Constant prepayment rate	0.76%	0.59%
Loss severity	46.57%	46.04%
Constant default rate	3.56%	3.67%
Residential mortgage backed securities | Discounted cash flow | Maximum
Fair value inputs, assets, quantitative information
Yield	6.29%	6.64%
Constant prepayment rate	9.06%	9.35%
Loss severity	80.00%	79.56%
Constant default rate	9.28%	9.96%
Residential mortgage backed securities | Discounted cash flow | Weighted-average
Fair value inputs, assets, quantitative information
Yield	4.54%	4.65%
Constant prepayment rate	4.91%	4.97%
Loss severity	63.29%	62.80%
Constant default rate	6.42%	6.82%
Certain CDO/ABS
Fair value inputs, assets, quantitative information
Fair Value	5,259
Certain CDO/ABS | Discounted cash flow
Fair value inputs, assets, quantitative information
Fair Value		5,282
Certain CDO/ABS | Discounted cash flow | Minimum
Fair value inputs, assets, quantitative information
Yield	4.60%	4.70%
Constant prepayment rate	6.30%	6.40%
Loss severity	43.90%	42.90%
Constant default rate	2.50%	2.50%
Certain CDO/ABS | Discounted cash flow | Maximum
Fair value inputs, assets, quantitative information
Yield	8.70%	9.70%
Constant prepayment rate	12.00%	12.80%
Loss severity	58.50%	60.30%
Constant default rate	14.30%	14.70%
Certain CDO/ABS | Discounted cash flow | Weighted-average
Fair value inputs, assets, quantitative information
Yield	6.90%	7.10%
Constant prepayment rate	8.70%	9.20%
Loss severity	51.40%	51.90%
Constant default rate	7.70%	7.80%
Commercial mortgage backed securities
Fair value inputs, assets, quantitative information
Fair Value	2,583
Commercial mortgage backed securities | Discounted cash flow
Fair value inputs, assets, quantitative information
Fair Value		2,687
Commercial mortgage backed securities | Discounted cash flow | Minimum
Fair value inputs, assets, quantitative information
Yield	0.00%	0.00%
Commercial mortgage backed securities | Discounted cash flow | Maximum
Fair value inputs, assets, quantitative information
Yield	17.56%	17.29%
Commercial mortgage backed securities | Discounted cash flow | Weighted-average
Fair value inputs, assets, quantitative information
Yield	5.88%	6.06%
CDO/ABS - Direct Investment book
Fair value inputs, assets, quantitative information
Fair Value	310
CDO/ABS - Direct Investment book | Binomial Expansion Technique
Fair value inputs, assets, quantitative information
Fair Value		279
CDO/ABS - Direct Investment book | Binomial Expansion Technique | Minimum
Fair value inputs, assets, quantitative information
Recovery rates	5.00%	7.00%
Diversity score	3	5
Weighted average life	0 years 3 months 7 days	0 years 3 months
CDO/ABS - Direct Investment book | Binomial Expansion Technique | Maximum
Fair value inputs, assets, quantitative information
Recovery rates	33.00%	36.00%
Diversity score	26	27
Weighted average life	10 years 4 months 24 days	10 years 5 months 26 days
CDO/ABS - Direct Investment book | Binomial Expansion Technique | Weighted-average
Fair value inputs, assets, quantitative information
Recovery rates	21.00%	21.00%
Diversity score	12	12
Weighted average life	4 years 11 months 19 days	3 years 11 months 5 days
Obligations of states, municipalities and political subdivisions
Fair value inputs, assets, quantitative information
Fair Value	1,263
Obligations of states, municipalities and political subdivisions | Discounted cash flow
Fair value inputs, assets, quantitative information
Fair Value		1,178
Obligations of states, municipalities and political subdivisions | Discounted cash flow | Minimum
Fair value inputs, assets, quantitative information
Yield	3.78%	3.90%
Obligations of states, municipalities and political subdivisions | Discounted cash flow | Maximum
Fair value inputs, assets, quantitative information
Yield	4.46%	4.62%
Obligations of states, municipalities and political subdivisions | Discounted cash flow | Weighted-average
Fair value inputs, assets, quantitative information
Yield	4.12%	4.26%