FAIR VALUE DISCLOSURES - Schedules Of Assets And Liabilities Measured On Recurring Basis (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Assets:
Fixed maturities available for sale, at fair value	$ 11,306	$ 9,891
U.S. Treasury, government and agency
Assets:
Fixed maturities available for sale, at fair value	14	15
States and political subdivisions
Assets:
Fixed maturities available for sale, at fair value	43	43
Foreign governments
Assets:
Fixed maturities available for sale, at fair value	49	31
Residential mortgage-backed
Assets:
Fixed maturities available for sale, at fair value	1,112	972
Asset-backed
Assets:
Fixed maturities available for sale, at fair value	3,809	2,986
Commercial mortgage-backed
Assets:
Fixed maturities available for sale, at fair value	255	182
Fair Value, Recurring
Assets:
Fixed maturities available for sale, at fair value	11,306	9,891
Other equity investments	20	19
Trading securities	0	0
Other invested assets:	1,561	968
Cash equivalents	3,174	1,654
Funds withheld receivable	(29)	100
Purchased market risk benefits	7	9
Assets for market risk benefits	34	24
Separate Accounts assets	6,629	5,754
Total Assets	22,702	18,419
Liabilities:
Liabilities for market risk benefits	6,383	7,333
Total Liabilities	17,313	15,726
Fair Value, Recurring \| Corporate
Assets:
Fixed maturities available for sale, at fair value	6,024	5,662
Fair Value, Recurring \| U.S. Treasury, government and agency
Assets:
Fixed maturities available for sale, at fair value	14	15
Fair Value, Recurring \| States and political subdivisions
Assets:
Fixed maturities available for sale, at fair value	43	43
Fair Value, Recurring \| Foreign governments
Assets:
Fixed maturities available for sale, at fair value	49	31
Fair Value, Recurring \| Residential mortgage-backed
Assets:
Fixed maturities available for sale, at fair value	1,112	972
Fair Value, Recurring \| Asset-backed
Assets:
Fixed maturities available for sale, at fair value	3,809	2,986
Fair Value, Recurring \| Commercial mortgage-backed
Assets:
Fixed maturities available for sale, at fair value	255	182
Fair Value, Recurring \| Short-term investments
Assets:
Other invested assets:	3
Fair Value, Recurring \| Options
Assets:
Other invested assets:	1,558	968
Fair Value, Recurring \| SCS, MSO and IUL indexed features’ liability
Liabilities:
Guarantees	11,222	8,804
Fair Value, Recurring \| Modco receivable
Liabilities:
Guarantees	(292)	(411)
Fair Value, Recurring \| Level 1
Assets:
Fixed maturities available for sale, at fair value	0	0
Other equity investments	0	0
Trading securities	0
Other invested assets:	0	0
Cash equivalents	3,174	1,654
Funds withheld receivable	0	0
Purchased market risk benefits	0	0
Assets for market risk benefits	0	0
Separate Accounts assets	6,622	5,747
Total Assets	9,796	7,401
Liabilities:
Liabilities for market risk benefits	0	0
Total Liabilities	0	0
Fair Value, Recurring \| Level 1 \| Corporate
Assets:
Fixed maturities available for sale, at fair value	0	0
Fair Value, Recurring \| Level 1 \| U.S. Treasury, government and agency
Assets:
Fixed maturities available for sale, at fair value	0	0
Fair Value, Recurring \| Level 1 \| States and political subdivisions
Assets:
Fixed maturities available for sale, at fair value	0	0
Fair Value, Recurring \| Level 1 \| Foreign governments
Assets:
Fixed maturities available for sale, at fair value	0	0
Fair Value, Recurring \| Level 1 \| Residential mortgage-backed
Assets:
Fixed maturities available for sale, at fair value	0	0
Fair Value, Recurring \| Level 1 \| Asset-backed
Assets:
Fixed maturities available for sale, at fair value	0	0
Fair Value, Recurring \| Level 1 \| Commercial mortgage-backed
Assets:
Fixed maturities available for sale, at fair value	0	0
Fair Value, Recurring \| Level 1 \| Short-term investments
Assets:
Other invested assets:	0
Fair Value, Recurring \| Level 1 \| Options
Assets:
Other invested assets:	0	0
Fair Value, Recurring \| Level 1 \| SCS, MSO and IUL indexed features’ liability
Liabilities:
Guarantees	0	0
Fair Value, Recurring \| Level 1 \| Modco receivable
Liabilities:
Guarantees	0	0
Fair Value, Recurring \| Level 2
Assets:
Fixed maturities available for sale, at fair value	11,167	9,779
Other equity investments	20	19
Trading securities	0
Other invested assets:	1,561	968
Cash equivalents	0	0
Funds withheld receivable	0	0
Purchased market risk benefits	0	0
Assets for market risk benefits	0	0
Separate Accounts assets	7	7
Total Assets	12,755	10,773
Liabilities:
Liabilities for market risk benefits	0	0
Total Liabilities	11,222	8,804
Fair Value, Recurring \| Level 2 \| Corporate
Assets:
Fixed maturities available for sale, at fair value	5,924	5,575
Fair Value, Recurring \| Level 2 \| U.S. Treasury, government and agency
Assets:
Fixed maturities available for sale, at fair value	14	15
Fair Value, Recurring \| Level 2 \| States and political subdivisions
Assets:
Fixed maturities available for sale, at fair value	43	43
Fair Value, Recurring \| Level 2 \| Foreign governments
Assets:
Fixed maturities available for sale, at fair value	49	31
Fair Value, Recurring \| Level 2 \| Residential mortgage-backed
Assets:
Fixed maturities available for sale, at fair value	1,112	972
Fair Value, Recurring \| Level 2 \| Asset-backed
Assets:
Fixed maturities available for sale, at fair value	3,771	2,962
Fair Value, Recurring \| Level 2 \| Commercial mortgage-backed
Assets:
Fixed maturities available for sale, at fair value	254	181
Fair Value, Recurring \| Level 2 \| Short-term investments
Assets:
Other invested assets:	3
Fair Value, Recurring \| Level 2 \| Options
Assets:
Other invested assets:	1,558	968
Fair Value, Recurring \| Level 2 \| SCS, MSO and IUL indexed features’ liability
Liabilities:
Guarantees	11,222	8,804
Fair Value, Recurring \| Level 2 \| Modco receivable
Liabilities:
Guarantees	0	0
Fair Value, Recurring \| Level 3
Assets:
Fixed maturities available for sale, at fair value	139	112
Other equity investments	0	0
Trading securities	0
Other invested assets:	0	0
Cash equivalents	0	0
Funds withheld receivable	(29)	100
Purchased market risk benefits	7	9
Assets for market risk benefits	34	24
Separate Accounts assets	0	0
Total Assets	151	245
Liabilities:
Liabilities for market risk benefits	6,383	7,333
Total Liabilities	6,091	6,922
Fair Value, Recurring \| Level 3 \| Corporate
Assets:
Fixed maturities available for sale, at fair value	100	87
Fair Value, Recurring \| Level 3 \| U.S. Treasury, government and agency
Assets:
Fixed maturities available for sale, at fair value	0	0
Fair Value, Recurring \| Level 3 \| States and political subdivisions
Assets:
Fixed maturities available for sale, at fair value	0	0
Fair Value, Recurring \| Level 3 \| Foreign governments
Assets:
Fixed maturities available for sale, at fair value	0	0
Fair Value, Recurring \| Level 3 \| Residential mortgage-backed
Assets:
Fixed maturities available for sale, at fair value	0	0
Fair Value, Recurring \| Level 3 \| Asset-backed
Assets:
Fixed maturities available for sale, at fair value	38	24
Fair Value, Recurring \| Level 3 \| Commercial mortgage-backed
Assets:
Fixed maturities available for sale, at fair value	1	1
Fair Value, Recurring \| Level 3 \| Short-term investments
Assets:
Other invested assets:	0
Fair Value, Recurring \| Level 3 \| Options
Assets:
Other invested assets:	0	0
Fair Value, Recurring \| Level 3 \| SCS, MSO and IUL indexed features’ liability
Liabilities:
Guarantees	0	0
Fair Value, Recurring \| Level 3 \| Modco receivable
Liabilities:
Guarantees	(292)	(411)
Fair Value, Recurring \| NAV
Assets:
Separate Accounts assets	$ 201	$ 1

Funds Withheld Receivable, Fair Value Disclosure

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents investments GMIB reinsurance contracts as of the balance sheet date.

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Reinsurance, Due From Reinsurer, Fair Value Disclosure

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value portion of investments accounted under the equity method.

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Fair value portion of guarantee, including, but not limited to, financial standby letter of credit, fair value guarantee, guarantee of collection of scheduled contractual cash flows from financial assets, and contracts that contingently require the guarantor to make payments or perform services.

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Fair value of financial and nonfinancial obligations.

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Fair value portion of other assets.

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Fair value amount of the specified investment category of assets maintained in separate accounts as of the balance sheet date.

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Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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