DERIVATIVE INSTRUMENTS - Gains (Losses) Recognized on Fair Value Hedging Relationships (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||||||
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Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
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Derivative Instruments, Gain (Loss) [Line Items] | |||||||||
Total gains (losses) recognized for derivatives | $ (30) | $ (113) | $ (22) | $ 83 | |||||
Gains (losses) on derivatives excluded from effectiveness testing | [1] | (35) | (26) | (66) | (98) | ||||
Gains (losses) on derivatives included in effectiveness testing | [2] | 5 | (87) | 44 | 181 | ||||
Gains (losses) recognized for hedged items | [2] | (4) | 83 | (43) | (195) | ||||
Net realized gains (losses) recognized for fair value hedge | 1 | (4) | 1 | (14) | |||||
Fixed maturity securities | Foreign currency forwards | |||||||||
Derivative Instruments, Gain (Loss) [Line Items] | |||||||||
Total gains (losses) recognized for derivatives | (19) | (106) | (4) | 93 | |||||
Gains (losses) on derivatives excluded from effectiveness testing | [1] | (24) | (19) | (48) | (88) | ||||
Gains (losses) on derivatives included in effectiveness testing | [2] | 5 | (87) | 44 | 181 | ||||
Gains (losses) recognized for hedged items | [2] | (4) | 83 | (43) | (195) | ||||
Net realized gains (losses) recognized for fair value hedge | 1 | (4) | 1 | (14) | |||||
Fixed maturity securities | Foreign currency options | |||||||||
Derivative Instruments, Gain (Loss) [Line Items] | |||||||||
Total gains (losses) recognized for derivatives | (5) | (7) | (9) | (10) | |||||
Gains (losses) on derivatives excluded from effectiveness testing | [1] | (5) | (7) | (9) | (10) | ||||
Gains (losses) on derivatives included in effectiveness testing | [2] | 0 | 0 | 0 | 0 | ||||
Gains (losses) recognized for hedged items | [2] | 0 | 0 | 0 | 0 | ||||
Net realized gains (losses) recognized for fair value hedge | 0 | $ 0 | 0 | $ 0 | |||||
Fixed maturity securities | Interest rate swaptions | |||||||||
Derivative Instruments, Gain (Loss) [Line Items] | |||||||||
Total gains (losses) recognized for derivatives | (6) | (9) | |||||||
Gains (losses) on derivatives excluded from effectiveness testing | [1] | (6) | (9) | ||||||
Gains (losses) on derivatives included in effectiveness testing | [2] | 0 | 0 | ||||||
Gains (losses) recognized for hedged items | [2] | 0 | 0 | ||||||
Net realized gains (losses) recognized for fair value hedge | $ 0 | $ 0 | |||||||
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