AVAILABLE-FOR-SALE FIXED MATURITY SECURITIES - Narrative (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Jun. 30, 2026	Dec. 31, 2025
Debt Securities, Available-for-Sale [Line Items]
Fair Value	$ 96,657
Fixed maturity securities \| Investment Grade \| Investment Grade
Debt Securities, Available-for-Sale [Line Items]
Percentage	96.00%	93.00%
Deposits
Debt Securities, Available-for-Sale [Line Items]
Fair Value	$ 166	$ 181
Bonds pledged \| Bonds
Debt Securities, Available-for-Sale [Line Items]
Fair Value	$ 9,600	$ 10,400

Amount 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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+ Details

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References + Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ Details