FAIR VALUE MEASUREMENTS (Details - Quantitative Information About Level 3 Fair Value Measurements - Assets) - Level 3 - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Corporate debt
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value	$ 1,506
Corporate debt | Discounted cash flow
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value		$ 1,145
Corporate debt | Discounted cash flow | Minimum
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	3.91%	3.46%
Corporate debt | Discounted cash flow | Maximum
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	5.80%	8.75%
Corporate debt | Discounted cash flow | Weighted-average
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	4.85%	6.10%
Residential mortgage backed securities
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value	$ 17,609
Residential mortgage backed securities | Discounted cash flow
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value		$ 17,353
Residential mortgage backed securities | Discounted cash flow | Minimum
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	3.02%	2.67%
Constant prepayment rate	0.93%	0.59%
Loss severity	45.29%	46.04%
Constant default rate	3.47%	3.67%
Residential mortgage backed securities | Discounted cash flow | Maximum
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	5.96%	6.64%
Constant prepayment rate	8.91%	9.35%
Loss severity	77.96%	79.56%
Constant default rate	9.01%	9.96%
Residential mortgage backed securities | Discounted cash flow | Weighted-average
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	4.49%	4.65%
Constant prepayment rate	4.92%	4.97%
Loss severity	61.63%	62.80%
Constant default rate	6.24%	6.82%
Certain CDO/ABS
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value	$ 3,217
Certain CDO/ABS | Discounted cash flow
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value		$ 5,282
Certain CDO/ABS | Discounted cash flow | Minimum
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	2.79%	4.70%
Certain CDO/ABS | Discounted cash flow | Maximum
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	4.33%	9.70%
Certain CDO/ABS | Discounted cash flow | Weighted-average
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	3.56%	7.10%
Commercial mortgage backed securities
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value	$ 2,656
Commercial mortgage backed securities | Discounted cash flow
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value		$ 2,687
Commercial mortgage backed securities | Discounted cash flow | Minimum
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	0.00%	0.00%
Commercial mortgage backed securities | Discounted cash flow | Maximum
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	18.45%	17.29%
Commercial mortgage backed securities | Discounted cash flow | Weighted-average
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	6.07%	6.06%
Obligations of states, municipalities and political subdivisions
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value	$ 1,199
Obligations of states, municipalities and political subdivisions | Discounted cash flow
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value		$ 1,178
Obligations of states, municipalities and political subdivisions | Discounted cash flow | Minimum
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	4.34%	3.90%
Obligations of states, municipalities and political subdivisions | Discounted cash flow | Maximum
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	5.16%	4.62%
Obligations of states, municipalities and political subdivisions | Discounted cash flow | Weighted-average
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	4.75%	4.26%