FAIR VALUE MEASUREMENTS (Details - Quantitative Information about Level 3 Fair Value Measurements, Liabilities) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Index Annuities \| Level 3
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Fair value	$ 715	$ 294
Index Annuities \| Discounted cash flow \| Minimum \| Level 3
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Mortality rates	50.00%	0.02%
Lapse rates	0.75%	0.75%
Index Annuities \| Discounted cash flow \| Maximum \| Level 3
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Mortality rates	75.00%	44.06%
Lapse rates	66.00%	66.00%
Index Life \| Level 3
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Fair value	$ 332	$ 259
Index Life \| Discounted cash flow \| Minimum \| Level 3
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Equity volatility	13.25%	10.00%
Base lapse rates	2.00%	2.00%
Mortality rates	0.00%	0.00%
Index Life \| Discounted cash flow \| Maximum \| Level 3
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Equity volatility	22.00%	25.00%
Base lapse rates	19.00%	19.00%
Mortality rates	40.00%	20.00%
Derivative Liabilities - Credit contracts \| Level 3
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Fair value		$ 791
Derivative Liabilities - Credit contracts \| BET \| Minimum \| Level 3
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Recovery rates		5.00%
Diversity score		8
Weighted average life		2 years 8 months 1 day
Derivative Liabilities - Credit contracts \| BET \| Maximum \| Level 3
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Recovery rates		23.00%
Diversity score		25
Weighted average life		10 years 5 months 26 days
Derivative Liabilities - Credit contracts \| BET \| Weighted-average \| Level 3
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Recovery rates		13.00%
Diversity score		13
Weighted average life		4 years 7 months 24 days
GMWB and GMAB
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Change in equity volatilities assumption	$ 143
Change in equity/interest rate correlation assumption	155
GMWB and GMAB \| Level 3
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Fair value	$ 1,234	$ 957
GMWB and GMAB \| Discounted cash flow \| Minimum \| Level 3
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Equity volatility	15.00%	6.00%
Base lapse rates	1.00%	1.00%
Dynamic lapse rates	0.20%	0.20%
Mortality rates	80.00%	0.10%
Utilization rates	0.00%	0.50%
Equity/Interest-rate Correlation	20.00%
GMWB and GMAB \| Discounted cash flow \| Maximum \| Level 3
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Equity volatility	50.00%	39.00%
Base lapse rates	17.00%	28.00%
Dynamic lapse rates	25.50%	42.00%
Mortality rates	104.27%	35.00%
Utilization rates	70.00%	30.00%
Equity/Interest-rate Correlation	40.00%

Change in equity/interest rate correlation assumption

No definition available.

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- Definition

Change in equity volatilities assumption

+ References

No definition available.

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- Definition

Represents the constant base lapse rates, used as an input to measure fair value.

+ References

No definition available.

+ Details

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- Definition

Represents the diversity score used as an input to measure fair value.

+ References

No definition available.

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- Definition

Represents the constant dynamic lapse rates, used as an input to measure fair value.

+ References

No definition available.

+ Details

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- Definition

Represents the correlation between Equity and Interest rate, used as an input to measure fair value.

+ References

No definition available.

+ Details

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- Definition

Represents the constant lapse rates, used as an input to measure fair value.

+ References

No definition available.

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- Definition

Represents the constant mortality rates, used as an input to measure fair value.

+ References

No definition available.

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- Definition

Represents the recovery rate, used as an input to measure fair value.

+ References

No definition available.

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- Definition

Represents the constant utilization rates, used as an input to measure fair value.

+ References

No definition available.

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- Definition

Represents the weighted average life, used as an input to measure fair value.

+ References

No definition available.

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- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Fair value of financial and nonfinancial obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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