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SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | --- | --- | --- | --- | ---
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Investments |  | $ 116,505 |  |  | $ 116,441 |  |  |  |
Fixed maturities, at fair value using the fair value option | [1] | 2,416 |  |  | 2,053 |  |  |  |
Notes issued by consolidated variable interest entities, at fair value using the fair value option | [1] | 2,530 |  |  | 2,116 |  |  |  |
Unpaid outstanding balance and short-term borrowing |  | 2,300 |  |  | 1,900 |  |  |  |
Assets |  | 314,409 |  |  | 295,727 |  | $ 298,841 |  |
Liabilities |  | 312,461 |  |  | 292,179 |  | 292,662 |  |
Redeemable noncontrolling interest |  | 344 | [1],[2] | $ 358 | 125 | [1],[2] | $ 1,223 | $ 1,088 | $ 770
Variable Interest Entity, Primary Beneficiary | CLO Warehouse Debt |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Investments |  | 115 |  |  | 128 |  |  |  |
Investment assets, special purpose entity |  | 0 |  |  |  |  |  |  |
Consolidated Limited Partnerships |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Assets |  | 2,900 |  |  | 2,100 |  |  |  |
Consolidated Entity | AB-Sponsored Investment Funds |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Assets |  | 362 |  |  | 85 |  |  |  |
Liabilities |  | 33 |  |  | 0 |  |  |  |
Redeemable noncontrolling interest |  | 152 |  |  | 32 |  |  |  |
Consolidated Entity, Excluding VIE | AB-Sponsored Investment Funds |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Assets |  | 33 |  |  | 73 |  |  |  |
Liabilities |  | 1 |  |  | 1 |  |  |  |
Redeemable noncontrolling interest |  | 7 |  |  | 17 |  |  |  |
Non-consolidated Vairable Interest Entities |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Investments |  | 3,200 |  |  | 3,000 |  |  |  |
Assets |  | 378,000 |  |  | 350,700 |  |  |  |
Variable interest entity, maximum loss exposure |  | 3,200 |  |  | 3,000 |  |  |  |
Unfunded commitments |  | 1,000 |  |  | 1,200 |  |  |  |
Non-consolidated Vairable Interest Entities | AB-Sponsored Investment Funds |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Variable interest entity, maximum loss exposure |  | 38 |  |  | 17 |  |  |  |
Non-consolidated Vairable Interest Entities | AB-Sponsored Investment Funds |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Assets |  | $ 47,500 |  |  | $ 46,900 |  |  |  |
[1] | See Note 2 of the Notes to these Consolidated Financial Statements for details of balances with VIEs.
[2] | See Note 15 of the Notes to these Consolidated Financial Statements for details of redeemable noncontrolling interest.

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