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Contractholder Funds - Schedule of Reconciliation to Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Millions | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Policyholder Account Balance [Line Items] |  |
Contractholder funds | $ 55,468 | $ 48,798
Indexed annuities |  |
Policyholder Account Balance [Line Items] |  |
Contractholder funds | 30,046 | 27,407
Fixed rate annuities |  |
Policyholder Account Balance [Line Items] |  |
Contractholder funds | 16,979 | 13,443
Immediate Annuities |  |
Policyholder Account Balance [Line Items] |  |
Contractholder funds | 292 | 311
Universal Life |  |
Policyholder Account Balance [Line Items] |  |
Contractholder funds | 2,817 | 2,475
Traditional Life |  |
Policyholder Account Balance [Line Items] |  |
Contractholder funds | 5 | 5
FABN |  |
Policyholder Account Balance [Line Items] |  |
Contractholder funds | 2,471 | 2,613
FHLB |  |
Policyholder Account Balance [Line Items] |  |
Contractholder funds | 2,853 | 2,539
PRT |  |
Policyholder Account Balance [Line Items] |  |
Contractholder funds | $ 5 | $ 5

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