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Contractholder Funds - Reconciliation to Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Policyholder Account Balance [Line Items] |  |  |
Contractholder funds | $ 48,798 | $ 40,843 | $ 34,753
FIA |  |  |
Policyholder Account Balance [Line Items] |  |  |
Contractholder funds | 27,407 | 24,423 | 22,600
Fixed Rate Annuities |  |  |
Policyholder Account Balance [Line Items] |  |  |
Contractholder funds | 13,443 | 9,358 | 6,367
Immediate Annuities |  |  |
Policyholder Account Balance [Line Items] |  |  |
Contractholder funds | 311 | 332 | 352
Universal Life |  |  |
Policyholder Account Balance [Line Items] |  |  |
Contractholder funds | 2,475 | 2,127 | 1,981
Traditional Life |  |  |
Policyholder Account Balance [Line Items] |  |  |
Contractholder funds | 5 | 5 | 5
Funding Agreements, FABN |  |  |
Policyholder Account Balance [Line Items] |  |  |
Contractholder funds | 2,613 | 2,613 | 1,904
Federal Home Loan Bank Funding Agreements |  |  |
Policyholder Account Balance [Line Items] |  |  |
Contractholder funds | 2,539 | 1,982 | 1,543
PRT |  |  |
Policyholder Account Balance [Line Items] |  |  |
Contractholder funds | $ 5 | $ 3 | $ 1

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