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SIGNIFICANT ACCOUNTING POLICIES - Variable Interest Entities (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | --- | --- | --- | --- | ---
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Investments |  | $ 92,517 |  |  | $ 105,111 |  |  |  |
Fixed maturities, at fair value using the fair value option | [1] | 1,548 |  |  | 1,641 |  |  |  |
Notes Issued By Consolidated Variable Interest Entity, Fair Value Option | [1] | 1,165 |  |  | 1,191 |  |  |  |
Unpaid outstanding balance and short-term borrowing |  | 1,400 |  |  | 1,300 |  |  |  |
Assets |  | 245,600 |  |  | 292,262 |  |  |  |
Liabilities |  | 240,413 |  |  | 278,699 |  |  |  |
Redeemable non-controlling interest |  | 354 | [1],[2] | $ 348 | 468 | [1],[2] | $ 143 | $ 42 | $ 143
Consolidated Variable Interest Entities | CLO Warehouse Debt |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Investments |  | 93 |  |  | 109 |  |  |  |
Investment assets, special purpose entity |  | 67 |  |  |  |  |  |  |
Consolidated Limited Partnerships |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Assets |  | 562 |  |  | 219 |  |  |  |
Consolidated Entity, Excluding VIE | AB-Sponsored Investment Funds |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Assets |  | 28 |  |  | 0 |  |  |  |
Liabilities |  | 2 |  |  | 0 |  |  |  |
Redeemable non-controlling interest |  | 2 |  |  | 0 |  |  |  |
Non-consolidated Vairable Interest Entities |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Investments |  | 2,300 |  |  | 2,100 |  |  |  |
Assets |  | 278,900 |  |  | 245,600 |  |  |  |
Variable interest entity, maximum loss exposure |  | 2,300 |  |  | 2,100 |  |  |  |
Variable interest entity, unfunded commitments |  | 1,300 |  |  | 1,200 |  |  |  |
Non-consolidated Vairable Interest Entities | AB-Sponsored Investment Funds |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Assets |  | 39,900 |  |  | 68,900 |  |  |  |
Non-consolidated Vairable Interest Entities | AB-Sponsored Investment Funds |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Variable interest entity, maximum loss exposure |  | 5 |  |  | 9 |  |  |  |
Consolidated Entity | AB-Sponsored Investment Funds |  |  |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |  |  |
Assets |  | 477 |  |  | 734 |  |  |  |
Liabilities |  | 26 |  |  | 87 |  |  |  |
Redeemable non-controlling interest |  | $ 310 |  |  | $ 421 |  |  |  |
[1] | See Note 2 of the Notes to these Consolidated Financial Statements for details of balances with VIEs.
[2] | See Note 11 of the Notes to these Consolidated Financial Statements for details of redeemable noncontrolling interest.(3) Represents the fair value of the ceded reserves to Venerable. See Note 1 of the Notes to these Consolidated Financial Statements for details of the Venerable Transaction and Note 7 of the Notes to these Consolidated Financial Statements.

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