INVESTMENTS - Net Investment Income (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	9 Months Ended
Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net Investment Income [Line Items]
Gross investment income	$ 97	$ 103	$ 109	$ 195	$ 408
Less: investment expenses	(5)	(4)	(8)	(6)	(22)
Net investment income	92	99	101	189	386
Fixed maturity securities
Net Investment Income [Line Items]
Gross investment income	76	61	82	156	308
Equity securities
Net Investment Income [Line Items]
Gross investment income	1	1	1	2	3
Secured receivable
Net Investment Income [Line Items]
Gross investment income	7	0	0	18	0
Commercial mortgage and other loans
Net Investment Income [Line Items]
Gross investment income	0	11	14	0	46
Other invested assets
Net Investment Income [Line Items]
Gross investment income	10	29	11	14	50
Short-term investments and cash equivalents
Net Investment Income [Line Items]
Gross investment income	$ 3	$ 1	$ 1	$ 5	$ 1

Amount, before investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

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Amount of expenses related to the generation of investment income.

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Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

+ References

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