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Contractholder Funds - Account Values by Range of Guaranteed Minimum Credit Rating (Details) $ in Millions	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Policyholder Account Balance [Line Items]
Contractholder funds	$ 56,404	$ 48,798
Indexed Annuities
Policyholder Account Balance [Line Items]
Contractholder funds	30,235	27,164	$ 24,766
Indexed Annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Contractholder funds	24,718	22,965
Indexed Annuities | Range from 0001 to 0050
Policyholder Account Balance [Line Items]
Contractholder funds	1,239	1,446
Indexed Annuities | Range from 0051 to 0150
Policyholder Account Balance [Line Items]
Contractholder funds	1,176	550
Indexed Annuities | Greater Than 0150
Policyholder Account Balance [Line Items]
Contractholder funds	3,102	2,203
Indexed Annuities | 0.00%-1.50%
Policyholder Account Balance [Line Items]
Contractholder funds	27,114	26,315
Indexed Annuities | 0.00%-1.50% | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Contractholder funds	23,540	22,392
Indexed Annuities | 0.00%-1.50% | Range from 0001 to 0050
Policyholder Account Balance [Line Items]
Contractholder funds	1,236	1,444
Indexed Annuities | 0.00%-1.50% | Range from 0051 to 0150
Policyholder Account Balance [Line Items]
Contractholder funds	492	526
Indexed Annuities | 0.00%-1.50% | Greater Than 0150
Policyholder Account Balance [Line Items]
Contractholder funds	1,846	1,953
Indexed Annuities | 1.51%-2.50%
Policyholder Account Balance [Line Items]
Contractholder funds	2,802	471
Indexed Annuities | 1.51%-2.50% | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Contractholder funds	875	196
Indexed Annuities | 1.51%-2.50% | Range from 0001 to 0050
Policyholder Account Balance [Line Items]
Contractholder funds	1	1
Indexed Annuities | 1.51%-2.50% | Range from 0051 to 0150
Policyholder Account Balance [Line Items]
Contractholder funds	684	24
Indexed Annuities | 1.51%-2.50% | Greater Than 0150
Policyholder Account Balance [Line Items]
Contractholder funds	1,242	250
Indexed Annuities | Greater than 2.50%
Policyholder Account Balance [Line Items]
Contractholder funds	319	378
Indexed Annuities | Greater than 2.50% | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Contractholder funds	303	377
Indexed Annuities | Greater than 2.50% | Range from 0001 to 0050
Policyholder Account Balance [Line Items]
Contractholder funds	2	1
Indexed Annuities | Greater than 2.50% | Range from 0051 to 0150
Policyholder Account Balance [Line Items]
Contractholder funds	0	0
Indexed Annuities | Greater than 2.50% | Greater Than 0150
Policyholder Account Balance [Line Items]
Contractholder funds	14	0
Fixed rate annuities
Policyholder Account Balance [Line Items]
Contractholder funds	17,442	13,443	9,358
Fixed rate annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Contractholder funds	865	921
Fixed rate annuities | Range from 0001 to 0050
Policyholder Account Balance [Line Items]
Contractholder funds	29	35
Fixed rate annuities | Range from 0051 to 0150
Policyholder Account Balance [Line Items]
Contractholder funds	798	1,559
Fixed rate annuities | Greater Than 0150
Policyholder Account Balance [Line Items]
Contractholder funds	15,750	10,928
Fixed rate annuities | 0.00%-1.50%
Policyholder Account Balance [Line Items]
Contractholder funds	15,257	11,851
Fixed rate annuities | 0.00%-1.50% | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Contractholder funds	57	23
Fixed rate annuities | 0.00%-1.50% | Range from 0001 to 0050
Policyholder Account Balance [Line Items]
Contractholder funds	20	25
Fixed rate annuities | 0.00%-1.50% | Range from 0051 to 0150
Policyholder Account Balance [Line Items]
Contractholder funds	773	1,532
Fixed rate annuities | 0.00%-1.50% | Greater Than 0150
Policyholder Account Balance [Line Items]
Contractholder funds	14,407	10,271
Fixed rate annuities | 1.51%-2.50%
Policyholder Account Balance [Line Items]
Contractholder funds	493	489
Fixed rate annuities | 1.51%-2.50% | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Contractholder funds	4	5
Fixed rate annuities | 1.51%-2.50% | Range from 0001 to 0050
Policyholder Account Balance [Line Items]
Contractholder funds	7	8
Fixed rate annuities | 1.51%-2.50% | Range from 0051 to 0150
Policyholder Account Balance [Line Items]
Contractholder funds	20	23
Fixed rate annuities | 1.51%-2.50% | Greater Than 0150
Policyholder Account Balance [Line Items]
Contractholder funds	462	453
Fixed rate annuities | Greater than 2.50%
Policyholder Account Balance [Line Items]
Contractholder funds	1,692	1,103
Fixed rate annuities | Greater than 2.50% | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Contractholder funds	804	893
Fixed rate annuities | Greater than 2.50% | Range from 0001 to 0050
Policyholder Account Balance [Line Items]
Contractholder funds	2	2
Fixed rate annuities | Greater than 2.50% | Range from 0051 to 0150
Policyholder Account Balance [Line Items]
Contractholder funds	5	4
Fixed rate annuities | Greater than 2.50% | Greater Than 0150
Policyholder Account Balance [Line Items]
Contractholder funds	881	204
Universal Life
Policyholder Account Balance [Line Items]
Contractholder funds	2,817	2,391	$ 2,112
Universal Life | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Contractholder funds	2,785	2,348
Universal Life | Range from 0001 to 0050
Policyholder Account Balance [Line Items]
Contractholder funds	7	21
Universal Life | Range from 0051 to 0150
Policyholder Account Balance [Line Items]
Contractholder funds	1	1
Universal Life | Greater Than 0150
Policyholder Account Balance [Line Items]
Contractholder funds	24	21
Universal Life | 0.00%-1.50%
Policyholder Account Balance [Line Items]
Contractholder funds	2,452	2,013
Universal Life | 0.00%-1.50% | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Contractholder funds	2,421	1,987
Universal Life | 0.00%-1.50% | Range from 0001 to 0050
Policyholder Account Balance [Line Items]
Contractholder funds	7	5
Universal Life | 0.00%-1.50% | Range from 0051 to 0150
Policyholder Account Balance [Line Items]
Contractholder funds	0	0
Universal Life | 0.00%-1.50% | Greater Than 0150
Policyholder Account Balance [Line Items]
Contractholder funds	24	21
Universal Life | 1.51%-2.50%
Policyholder Account Balance [Line Items]
Contractholder funds	0	0
Universal Life | 1.51%-2.50% | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Contractholder funds	0	0
Universal Life | 1.51%-2.50% | Range from 0001 to 0050
Policyholder Account Balance [Line Items]
Contractholder funds	0	0
Universal Life | 1.51%-2.50% | Range from 0051 to 0150
Policyholder Account Balance [Line Items]
Contractholder funds	0	0
Universal Life | 1.51%-2.50% | Greater Than 0150
Policyholder Account Balance [Line Items]
Contractholder funds	0	0
Universal Life | Greater than 2.50%
Policyholder Account Balance [Line Items]
Contractholder funds	365	378
Universal Life | Greater than 2.50% | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Contractholder funds	364	361
Universal Life | Greater than 2.50% | Range from 0001 to 0050
Policyholder Account Balance [Line Items]
Contractholder funds	0	16
Universal Life | Greater than 2.50% | Range from 0051 to 0150
Policyholder Account Balance [Line Items]
Contractholder funds	1	1
Universal Life | Greater than 2.50% | Greater Than 0150
Policyholder Account Balance [Line Items]
Contractholder funds	$ 0	$ 0
Minimum | Range from 0001 to 0050
Policyholder Account Balance [Line Items]
Policyholder account balance, above guaranteed minimum crediting rate	0.0001	0.0001
Minimum | Range from 0051 to 0150
Policyholder Account Balance [Line Items]
Policyholder account balance, above guaranteed minimum crediting rate	0.0051	0.0051
Minimum | Greater Than 0150
Policyholder Account Balance [Line Items]
Policyholder account balance, above guaranteed minimum crediting rate	0.0150	0.0150
Maximum | Range from 0001 to 0050
Policyholder Account Balance [Line Items]
Policyholder account balance, above guaranteed minimum crediting rate	0.0050	0.0050
Maximum | Range from 0051 to 0150
Policyholder Account Balance [Line Items]
Policyholder account balance, above guaranteed minimum crediting rate	0.0150	0.0150

X

- Definition

Value above guaranteed minimum crediting rate on policyholder account balance.

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Amount due to policyholder. Includes, but is not limited to, unpaid policy dividend, retrospective refund, and undistributed earnings on participating business. Excludes future policy benefit and claim expense.

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