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DERIVATIVE INSTRUMENTS - Gains (Losses) Recognized on Fair Value Hedging Relationships (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Fixed-Maturity Securities and Equity Securities [Member] | Foreign currency forwards |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Total gains (losses) recognized for derivatives | $ 90 |  | $ 2,103 |
Gains (losses) on derivatives excluded from effectiveness testing | (186) |  | (278) |
Gains (losses) on derivatives included in effectiveness testing | 276 |  | 2,381 |
Gains (losses) recognized for hedged items | (288) |  | (2,406) |
Ineffectiveness recognized for fair value hedge | (12) |  | (25) |
Fixed maturities | Foreign currency forwards |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Total gains (losses) recognized for derivatives |  | $ 247 |  | $ 17
Gains (losses) on derivatives excluded from effectiveness testing |  | (28) |  | (60)
Gains (losses) on derivatives included in effectiveness testing |  | 275 |  | 77
Gains (losses) recognized for hedged items |  | (267) |  | (62)
Ineffectiveness recognized for fair value hedge |  | 8 |  | 15
Fixed maturities | Foreign currency options |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Total gains (losses) recognized for derivatives | (4) | (1) | 2 | (4)
Gains (losses) on derivatives excluded from effectiveness testing | (4) | (1) | 2 | 3
Gains (losses) on derivatives included in effectiveness testing | 0 | 0 | 0 | (7)
Gains (losses) recognized for hedged items | 0 | 0 | 0 | 7
Ineffectiveness recognized for fair value hedge | $ 0 | $ 0 | $ 0 | 0
Fixed maturities | Interest rate swaptions |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Total gains (losses) recognized for derivatives |  |  |  | (95)
Gains (losses) on derivatives excluded from effectiveness testing |  |  |  | 19
Gains (losses) on derivatives included in effectiveness testing |  |  |  | (114)
Gains (losses) recognized for hedged items |  |  |  | 99
Ineffectiveness recognized for fair value hedge |  |  |  | $ (15)

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- Definition Gain (loss) from components included in assessment of fair value hedge effectiveness net + References No definition available. + Details
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- Definition Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 + Details
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- Definition Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 + Details
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- Definition 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. + Details
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- Definition Net gain (loss) relating to components of the gain (loss) on the fair value hedging instrument excluded from the assessment of fair value hedge effectiveness. Recognized in earnings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 + Details
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- Definition Amount of gain (loss)recognized in the income statement from the hedging ineffectiveness of a fair value hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 + Details
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