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FAIR VALUE DISCLOSURES - Narrative (Details) - USD ($) $ in Millions	9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Fair value adjustments on GMIB asset	$ 112		$ 107
Fair value adjustments on amounts due from reinsurers	199		210
AFS fixed maturities transferred from Level 3 to Level 2	150	$ 782
AFS fixed maturities transferred from Level 2 to Level 3	$ 191	$ 1
Fair value measurement with unobservable inputs reconciliation recurring basis asset transfers percentage	7.10%	5.90%
Nonrecurring | Level 3
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Investments, fair value disclosure	$ 1,200		$ 635

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Fair Value Adjustments On Amounts Due From Reinsurers

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Percentage of transfers into assets measured at fair value that have taken place during the period.

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Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(3)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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- Definition

Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(3)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
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