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FAIR VALUE MEASUREMENTS (Details - Quantitative Information About Level 3 Fair Value Measurements - Assets) (Level 3, USD $)
In Millions, unless otherwise specified
 9 Months Ended 12 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Corporate debt | Discounted cash flow
    
Fair value inputs, assets, quantitative information    
Fair Value $ 1,217 $ 788
Corporate debt | Discounted cash flow | Minimum
    
Fair value inputs, assets, quantitative information    
Yield 0.00% 0.00%
Corporate debt | Discounted cash flow | Maximum
    
Fair value inputs, assets, quantitative information    
Yield 8.57% 14.29%
Corporate debt | Discounted cash flow | Weighted-average
    
Fair value inputs, assets, quantitative information    
Yield 6.19% 6.64%
Residential mortgage backed securities | Discounted cash flow
    
Fair value inputs, assets, quantitative information    
Fair Value 17,384 14,419
Residential mortgage backed securities | Discounted cash flow | Minimum
    
Fair value inputs, assets, quantitative information    
Yield 2.51% 2.54%
Constant prepayment rate 0.36% 0.00%
Loss severity 45.61% 42.60%
Constant default rate 3.84% 3.98%
Residential mortgage backed securities | Discounted cash flow | Maximum
    
Fair value inputs, assets, quantitative information    
Yield 6.61% 7.40%
Constant prepayment rate 9.74% 10.35%
Loss severity 79.52% 79.07%
Constant default rate 10.46% 12.22%
Residential mortgage backed securities | Discounted cash flow | Weighted-average
    
Fair value inputs, assets, quantitative information    
Yield 4.56% 4.97%
Constant prepayment rate 5.05% 4.97%
Loss severity 62.57% 60.84%
Constant default rate 7.15% 8.10%
Certain CDO/ABS | Discounted cash flow
    
Fair value inputs, assets, quantitative information    
Fair Value 5,321 5,414
Certain CDO/ABS | Discounted cash flow | Minimum
    
Fair value inputs, assets, quantitative information    
Yield 4.70% 5.20%
Constant prepayment rate 6.40% 5.20%
Loss severity 43.80% 48.60%
Constant default rate 2.60% 3.20%
Certain CDO/ABS | Discounted cash flow | Maximum
    
Fair value inputs, assets, quantitative information    
Yield 10.30% 11.50%
Constant prepayment rate 13.40% 10.80%
Loss severity 59.90% 63.40%
Constant default rate 14.90% 16.20%
Certain CDO/ABS | Discounted cash flow | Weighted-average
    
Fair value inputs, assets, quantitative information    
Yield 7.70% 9.40%
Constant prepayment rate 9.90% 8.20%
Loss severity 52.00% 56.40%
Constant default rate 8.00% 9.00%
Commercial mortgage backed securities | Discounted cash flow
    
Fair value inputs, assets, quantitative information    
Fair Value 6,048 5,847
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 13.01% 14.69%
Commercial mortgage backed securities | Discounted cash flow | Weighted-average
    
Fair value inputs, assets, quantitative information    
Yield 4.50% 5.58%
CDO/ABS - Direct Investment book | Binomial Expansion Technique
    
Fair value inputs, assets, quantitative information    
Fair Value 425 557
CDO/ABS - Direct Investment book | Binomial Expansion Technique | Minimum
    
Fair value inputs, assets, quantitative information    
Recovery rates 7.00% 6.00%
Diversity score 6 5
Weighted average life 0 years 3 months 1 year 0 months 25 days
CDO/ABS - Direct Investment book | Binomial Expansion Technique | Maximum
    
Fair value inputs, assets, quantitative information    
Recovery rates 58.00% 63.00%
Diversity score 23 35
Weighted average life 10 years 3 months 25 days 9 years 5 months 19 days
CDO/ABS - Direct Investment book | Binomial Expansion Technique | Weighted-average
    
Fair value inputs, assets, quantitative information    
Recovery rates 26.00% 25.00%
Diversity score 14 12
Weighted average life 4 years 1 month 2 days 4 years 10 months 10 days
Obligations of states, municipalities and political subdivisions | Discounted cash flow
    
Fair value inputs, assets, quantitative information    
Fair Value $ 1,141 $ 920
Obligations of states, municipalities and political subdivisions | Discounted cash flow | Minimum
    
Fair value inputs, assets, quantitative information    
Yield 4.15% 4.94%
Obligations of states, municipalities and political subdivisions | Discounted cash flow | Maximum
    
Fair value inputs, assets, quantitative information    
Yield 4.93% 5.86%
Obligations of states, municipalities and political subdivisions | Discounted cash flow | Weighted-average
    
Fair value inputs, assets, quantitative information    
Yield 4.54% 5.40%