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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
 6 Months Ended 12 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Corporate debt | Discounted cash flow
    
Fair value inputs, assets, quantitative information    
Fair Value $ 1,365 $ 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 7.99% 14.29%
Corporate debt | Discounted cash flow | Weighted-average
    
Fair value inputs, assets, quantitative information    
Yield 5.69% 6.64%
Residential mortgage backed securities | Discounted cash flow
    
Fair value inputs, assets, quantitative information    
Fair Value 16,844 14,419
Residential mortgage backed securities | Discounted cash flow | Minimum
    
Fair value inputs, assets, quantitative information    
Yield 2.51% 2.54%
Constant prepayment rate 0.20% 0.00%
Loss severity 44.22% 42.60%
Constant default rate 3.90% 3.98%
Residential mortgage backed securities | Discounted cash flow | Maximum
    
Fair value inputs, assets, quantitative information    
Yield 6.61% 7.40%
Constant prepayment rate 9.91% 10.35%
Loss severity 79.45% 79.07%
Constant default rate 11.11% 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 61.83% 60.84%
Constant default rate 7.50% 8.10%
Certain CDO/ABS | Discounted cash flow
    
Fair value inputs, assets, quantitative information    
Fair Value 5,364 5,414
Certain CDO/ABS | Discounted cash flow | Minimum
    
Fair value inputs, assets, quantitative information    
Yield 4.90% 5.20%
Constant prepayment rate 6.10% 5.20%
Loss severity 46.20% 48.60%
Constant default rate 2.80% 3.20%
Certain CDO/ABS | Discounted cash flow | Maximum
    
Fair value inputs, assets, quantitative information    
Yield 10.40% 11.50%
Constant prepayment rate 11.30% 10.80%
Loss severity 60.90% 63.40%
Constant default rate 15.30% 16.20%
Certain CDO/ABS | Discounted cash flow | Weighted-average
    
Fair value inputs, assets, quantitative information    
Yield 8.40% 9.40%
Constant prepayment rate 9.00% 8.20%
Loss severity 54.00% 56.40%
Constant default rate 8.40% 9.00%
Commercial mortgage backed securities | Discounted cash flow
    
Fair value inputs, assets, quantitative information    
Fair Value 6,142 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 13.53% 14.69%
Commercial mortgage backed securities | Discounted cash flow | Weighted-average
    
Fair value inputs, assets, quantitative information    
Yield 4.52% 5.58%
CDO/ABS - Direct Investment book | Binomial Expansion Technique
    
Fair value inputs, assets, quantitative information    
Fair Value 568 557
CDO/ABS - Direct Investment book | Binomial Expansion Technique | Minimum
    
Fair value inputs, assets, quantitative information    
Recovery rates 6.00% 6.00%
Diversity score 6 5
Weighted average life 0 years 6 months 14 days 1 year 0 months 25 days
CDO/ABS - Direct Investment book | Binomial Expansion Technique | Maximum
    
Fair value inputs, assets, quantitative information    
Recovery rates 59.00% 63.00%
Diversity score 30 35
Weighted average life 11 years 2 months 12 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 24.00% 25.00%
Diversity score 15.3 12
Weighted average life 5 years 2 months 19 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 $ 1,099 $ 920
Obligations of states, municipalities and political subdivisions | Discounted cash flow | Minimum
    
Fair value inputs, assets, quantitative information    
Yield 4.14% 4.94%
Obligations of states, municipalities and political subdivisions | Discounted cash flow | Maximum
    
Fair value inputs, assets, quantitative information    
Yield 4.90% 5.86%
Obligations of states, municipalities and political subdivisions | Discounted cash flow | Weighted-average
    
Fair value inputs, assets, quantitative information    
Yield 4.52% 5.40%