INVESTMENTS - Net Investment Income (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2021
Net Investment Income [Line Items]
Gross investment income	$ 98	$ 103	$ 152	$ 298
Less: investment expenses	(1)	(4)	(6)	(13)
Net investment income	97	99	146	285
Fixed maturity securities
Net Investment Income [Line Items]
Gross investment income	80	61	110	226
Equity securities
Net Investment Income [Line Items]
Gross investment income	1	1	1	2
Secured receivable
Net Investment Income [Line Items]
Gross investment income	11	0	0	0
Commercial mortgage and other loans
Net Investment Income [Line Items]
Gross investment income	0	11	17	32
Other invested assets
Net Investment Income [Line Items]
Gross investment income	4	29	24	38
Short-term investments and cash equivalents
Net Investment Income [Line Items]
Gross investment income	$ 2	$ 1	$ 0	$ 0

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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