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Policyholder Account Balances, Future Policy Benefits and Claims - Account Balances by Guaranteed Minimum Interest Rates (Details) $ in Millions	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 32,465	$ 32,542	$ 27,947
Percentage of total account values that reset in:
Next 12 months	100.00%	100.00%
Greater than 12 months to 24 months	0.00%	0.00%
Greater than 24 months	0.00%	0.00%
Total	100.00%	100.00%
At Guaranteed Minimum
Percentage of total account values that reset in:
Next 12 months	100.00%	100.00%
Greater than 12 months to 24 months	0.00%	0.00%
Greater than 24 months	0.00%	0.00%
Total	100.00%	100.00%
1-49 bps above Guaranteed Minimum
Percentage of total account values that reset in:
Next 12 months	99.90%	100.00%
Greater than 12 months to 24 months	0.00%	0.00%
Greater than 24 months	0.10%	0.00%
Total	100.00%	100.00%
1-49 bps above Guaranteed Minimum | Minimum
Policyholder Account Balance [Line Items]
Policyholder account balance above guaranteed minimum crediting rate	0.0001	0.0001
1-49 bps above Guaranteed Minimum | Maximum
Policyholder Account Balance [Line Items]
Policyholder account balance above guaranteed minimum crediting rate	0.0049	0.0049
50-99 bps above Guaranteed Minimum
Percentage of total account values that reset in:
Next 12 months	99.90%	99.90%
Greater than 12 months to 24 months	0.00%	0.00%
Greater than 24 months	0.10%	0.10%
Total	100.00%	100.00%
50-99 bps above Guaranteed Minimum | Minimum
Policyholder Account Balance [Line Items]
Policyholder account balance above guaranteed minimum crediting rate	0.0050	0.0050
50-99 bps above Guaranteed Minimum | Maximum
Policyholder Account Balance [Line Items]
Policyholder account balance above guaranteed minimum crediting rate	0.0099	0.0099
100-150 bps above Guaranteed Minimum
Percentage of total account values that reset in:
Next 12 months	100.00%	100.00%
Greater than 12 months to 24 months	0.00%	0.00%
Greater than 24 months	0.00%	0.00%
Total	100.00%	100.00%
100-150 bps above Guaranteed Minimum | Minimum
Policyholder Account Balance [Line Items]
Policyholder account balance above guaranteed minimum crediting rate	0.0100	0.0100
100-150 bps above Guaranteed Minimum | Maximum
Policyholder Account Balance [Line Items]
Policyholder account balance above guaranteed minimum crediting rate	0.0150	0.0150
Greater than 150 bps above Guaranteed Minimum
Percentage of total account values that reset in:
Next 12 months	99.80%	99.80%
Greater than 12 months to 24 months	0.00%	0.00%
Greater than 24 months	0.20%	0.20%
Total	100.00%	100.00%
Greater than 150 bps above Guaranteed Minimum | Minimum
Policyholder Account Balance [Line Items]
Policyholder account balance above guaranteed minimum crediting rate	0.0150	0.0150
Total
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 11,393	$ 11,641
Total | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	10,305	10,625
Total | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	441	544
Total | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	297	262
Total | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	282	143
Total | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	68	67
Fixed accounts of variable annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	3,535	3,627
Fixed accounts of variable annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	3,342	3,442
Fixed accounts of variable annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	99	102
Fixed accounts of variable annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	75	65
Fixed accounts of variable annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	19	18
Fixed accounts of variable annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
Fixed accounts of structured variable annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	50	45
Fixed accounts of structured variable annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	16	16
Fixed accounts of structured variable annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	29	20
Fixed accounts of structured variable annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	5	9
Fixed accounts of structured variable annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
Fixed accounts of structured variable annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
Fixed annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	5,229	5,356
Fixed annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	4,671	4,848
Fixed annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	264	251
Fixed annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	185	154
Fixed annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	97	89
Fixed annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	12	14
Non-indexed accounts of fixed indexed annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	21	21
Non-indexed accounts of fixed indexed annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
Non-indexed accounts of fixed indexed annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	2	2
Non-indexed accounts of fixed indexed annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	5	5
Non-indexed accounts of fixed indexed annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	14	14
Non-indexed accounts of fixed indexed annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
Universal life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	1,360	1,377
Universal life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	1,323	1,344
Universal life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	10	8
Universal life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	20	19
Universal life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	6	6
Universal life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	1	0
Fixed accounts of variable universal life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	775	788
Fixed accounts of variable universal life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	662	679
Fixed accounts of variable universal life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	37	36
Fixed accounts of variable universal life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	7	6
Fixed accounts of variable universal life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	16	14
Fixed accounts of variable universal life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	53	53
Non-indexed accounts of indexed universal life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	132	131
Non-indexed accounts of indexed universal life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
Non-indexed accounts of indexed universal life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	125
Non-indexed accounts of indexed universal life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	4
Non-indexed accounts of indexed universal life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	130	2
Non-indexed accounts of indexed universal life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	2	0
Other life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	291	296
Other life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	291	296
Other life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
Other life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
Other life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
Other life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
1% - 1.99% | Total
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 846	$ 882
1% - 1.99% | Total | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.00%	1.00%
1% - 1.99% | Total | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.99%	1.99%
1% - 1.99% | Total | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 13	$ 111
1% - 1.99% | Total | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	372	354
1% - 1.99% | Total | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	271	239
1% - 1.99% | Total | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	135	123
1% - 1.99% | Total | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	55	55
1% - 1.99% | Fixed accounts of variable annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 195	$ 201
1% - 1.99% | Fixed accounts of variable annuities | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.00%	1.00%
1% - 1.99% | Fixed accounts of variable annuities | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.99%	1.99%
1% - 1.99% | Fixed accounts of variable annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 11	$ 24
1% - 1.99% | Fixed accounts of variable annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	91	95
1% - 1.99% | Fixed accounts of variable annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	75	65
1% - 1.99% | Fixed accounts of variable annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	18	17
1% - 1.99% | Fixed accounts of variable annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
1% - 1.99% | Fixed accounts of structured variable annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 35	$ 31
1% - 1.99% | Fixed accounts of structured variable annuities | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.00%	1.00%
1% - 1.99% | Fixed accounts of structured variable annuities | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.99%	1.99%
1% - 1.99% | Fixed accounts of structured variable annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 1	$ 2
1% - 1.99% | Fixed accounts of structured variable annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	29	20
1% - 1.99% | Fixed accounts of structured variable annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	5	9
1% - 1.99% | Fixed accounts of structured variable annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
1% - 1.99% | Fixed accounts of structured variable annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
1% - 1.99% | Fixed annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 542	$ 577
1% - 1.99% | Fixed annuities | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.00%	1.00%
1% - 1.99% | Fixed annuities | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.99%	1.99%
1% - 1.99% | Fixed annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 1	$ 85
1% - 1.99% | Fixed annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	250	237
1% - 1.99% | Fixed annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	182	152
1% - 1.99% | Fixed annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	97	89
1% - 1.99% | Fixed annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	12	14
1% - 1.99% | Non-indexed accounts of fixed indexed annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 21	$ 21
1% - 1.99% | Non-indexed accounts of fixed indexed annuities | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.00%	1.00%
1% - 1.99% | Non-indexed accounts of fixed indexed annuities | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.99%	1.99%
1% - 1.99% | Non-indexed accounts of fixed indexed annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
1% - 1.99% | Non-indexed accounts of fixed indexed annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	2	2
1% - 1.99% | Non-indexed accounts of fixed indexed annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	5	5
1% - 1.99% | Non-indexed accounts of fixed indexed annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	14	14
1% - 1.99% | Non-indexed accounts of fixed indexed annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
1% - 1.99% | Universal life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
1% - 1.99% | Universal life insurance | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.00%	1.00%
1% - 1.99% | Universal life insurance | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.99%	1.99%
1% - 1.99% | Universal life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
1% - 1.99% | Universal life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
1% - 1.99% | Universal life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
1% - 1.99% | Universal life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
1% - 1.99% | Universal life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
1% - 1.99% | Fixed accounts of variable universal life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 47	$ 46
1% - 1.99% | Fixed accounts of variable universal life insurance | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.00%	1.00%
1% - 1.99% | Fixed accounts of variable universal life insurance | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.99%	1.99%
1% - 1.99% | Fixed accounts of variable universal life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
1% - 1.99% | Fixed accounts of variable universal life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
1% - 1.99% | Fixed accounts of variable universal life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	4	4
1% - 1.99% | Fixed accounts of variable universal life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	2	1
1% - 1.99% | Fixed accounts of variable universal life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	41	41
1% - 1.99% | Non-indexed accounts of indexed universal life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 6	$ 6
1% - 1.99% | Non-indexed accounts of indexed universal life insurance | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.00%	1.00%
1% - 1.99% | Non-indexed accounts of indexed universal life insurance | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.99%	1.99%
1% - 1.99% | Non-indexed accounts of indexed universal life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
1% - 1.99% | Non-indexed accounts of indexed universal life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
1% - 1.99% | Non-indexed accounts of indexed universal life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	4
1% - 1.99% | Non-indexed accounts of indexed universal life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	4	2
1% - 1.99% | Non-indexed accounts of indexed universal life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	2	0
1% - 1.99% | Other life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
1% - 1.99% | Other life insurance | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.00%	1.00%
1% - 1.99% | Other life insurance | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	1.99%	1.99%
1% - 1.99% | Other life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
1% - 1.99% | Other life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
1% - 1.99% | Other life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
1% - 1.99% | Other life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
1% - 1.99% | Other life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Total
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 388	$ 391
2% - 2.99% | Total | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.00%	2.00%
2% - 2.99% | Total | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.99%	2.99%
2% - 2.99% | Total | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 190	$ 204
2% - 2.99% | Total | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	39	157
2% - 2.99% | Total | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	19	17
2% - 2.99% | Total | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	127	1
2% - 2.99% | Total | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	13	12
2% - 2.99% | Fixed accounts of variable annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 108	$ 112
2% - 2.99% | Fixed accounts of variable annuities | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.00%	2.00%
2% - 2.99% | Fixed accounts of variable annuities | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.99%	2.99%
2% - 2.99% | Fixed accounts of variable annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 104	$ 112
2% - 2.99% | Fixed accounts of variable annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	4	0
2% - 2.99% | Fixed accounts of variable annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Fixed accounts of variable annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Fixed accounts of variable annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Fixed accounts of structured variable annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 14	$ 13
2% - 2.99% | Fixed accounts of structured variable annuities | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.00%	2.00%
2% - 2.99% | Fixed accounts of structured variable annuities | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.99%	2.99%
2% - 2.99% | Fixed accounts of structured variable annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 14	$ 13
2% - 2.99% | Fixed accounts of structured variable annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Fixed accounts of structured variable annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Fixed accounts of structured variable annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Fixed accounts of structured variable annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Fixed annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 36	$ 38
2% - 2.99% | Fixed annuities | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.00%	2.00%
2% - 2.99% | Fixed annuities | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.99%	2.99%
2% - 2.99% | Fixed annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 20	$ 22
2% - 2.99% | Fixed annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	14	14
2% - 2.99% | Fixed annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	2	2
2% - 2.99% | Fixed annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Fixed annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Non-indexed accounts of fixed indexed annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
2% - 2.99% | Non-indexed accounts of fixed indexed annuities | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.00%	2.00%
2% - 2.99% | Non-indexed accounts of fixed indexed annuities | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.99%	2.99%
2% - 2.99% | Non-indexed accounts of fixed indexed annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
2% - 2.99% | Non-indexed accounts of fixed indexed annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Non-indexed accounts of fixed indexed annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Non-indexed accounts of fixed indexed annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Non-indexed accounts of fixed indexed annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Universal life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 71	$ 69
2% - 2.99% | Universal life insurance | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.00%	2.00%
2% - 2.99% | Universal life insurance | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.99%	2.99%
2% - 2.99% | Universal life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 48	$ 50
2% - 2.99% | Universal life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	6	4
2% - 2.99% | Universal life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	16	15
2% - 2.99% | Universal life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Universal life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	1	0
2% - 2.99% | Fixed accounts of variable universal life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 33	$ 34
2% - 2.99% | Fixed accounts of variable universal life insurance | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.00%	2.00%
2% - 2.99% | Fixed accounts of variable universal life insurance | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.99%	2.99%
2% - 2.99% | Fixed accounts of variable universal life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 4	$ 7
2% - 2.99% | Fixed accounts of variable universal life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	15	14
2% - 2.99% | Fixed accounts of variable universal life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	1	0
2% - 2.99% | Fixed accounts of variable universal life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	1	1
2% - 2.99% | Fixed accounts of variable universal life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	12	12
2% - 2.99% | Non-indexed accounts of indexed universal life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 126	$ 125
2% - 2.99% | Non-indexed accounts of indexed universal life insurance | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.00%	2.00%
2% - 2.99% | Non-indexed accounts of indexed universal life insurance | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.99%	2.99%
2% - 2.99% | Non-indexed accounts of indexed universal life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
2% - 2.99% | Non-indexed accounts of indexed universal life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	125
2% - 2.99% | Non-indexed accounts of indexed universal life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Non-indexed accounts of indexed universal life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	126	0
2% - 2.99% | Non-indexed accounts of indexed universal life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Other life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
2% - 2.99% | Other life insurance | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.00%	2.00%
2% - 2.99% | Other life insurance | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	2.99%	2.99%
2% - 2.99% | Other life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
2% - 2.99% | Other life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Other life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Other life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
2% - 2.99% | Other life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Total
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 5,142	$ 5,295
3% - 3.99% | Total | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.00%	3.00%
3% - 3.99% | Total | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.99%	3.99%
3% - 3.99% | Total | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 5,110	$ 5,262
3% - 3.99% | Total | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	5	8
3% - 3.99% | Total | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	7	6
3% - 3.99% | Total | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	20	19
3% - 3.99% | Total | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Fixed accounts of variable annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 1,840	$ 1,902
3% - 3.99% | Fixed accounts of variable annuities | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.00%	3.00%
3% - 3.99% | Fixed accounts of variable annuities | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.99%	3.99%
3% - 3.99% | Fixed accounts of variable annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 1,835	$ 1,894
3% - 3.99% | Fixed accounts of variable annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	4	7
3% - 3.99% | Fixed accounts of variable annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Fixed accounts of variable annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	1	1
3% - 3.99% | Fixed accounts of variable annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Fixed accounts of structured variable annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 1	$ 1
3% - 3.99% | Fixed accounts of structured variable annuities | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.00%	3.00%
3% - 3.99% | Fixed accounts of structured variable annuities | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.99%	3.99%
3% - 3.99% | Fixed accounts of structured variable annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 1	$ 1
3% - 3.99% | Fixed accounts of structured variable annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Fixed accounts of structured variable annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Fixed accounts of structured variable annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Fixed accounts of structured variable annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Fixed annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 2,328	$ 2,410
3% - 3.99% | Fixed annuities | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.00%	3.00%
3% - 3.99% | Fixed annuities | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.99%	3.99%
3% - 3.99% | Fixed annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 2,327	$ 2,410
3% - 3.99% | Fixed annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Fixed annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	1	0
3% - 3.99% | Fixed annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Fixed annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Non-indexed accounts of fixed indexed annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
3% - 3.99% | Non-indexed accounts of fixed indexed annuities | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.00%	3.00%
3% - 3.99% | Non-indexed accounts of fixed indexed annuities | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.99%	3.99%
3% - 3.99% | Non-indexed accounts of fixed indexed annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
3% - 3.99% | Non-indexed accounts of fixed indexed annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Non-indexed accounts of fixed indexed annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Non-indexed accounts of fixed indexed annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Non-indexed accounts of fixed indexed annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Universal life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 823	$ 831
3% - 3.99% | Universal life insurance | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.00%	3.00%
3% - 3.99% | Universal life insurance | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.99%	3.99%
3% - 3.99% | Universal life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 813	$ 821
3% - 3.99% | Universal life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Universal life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	4	4
3% - 3.99% | Universal life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	6	6
3% - 3.99% | Universal life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Fixed accounts of variable universal life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 122	$ 123
3% - 3.99% | Fixed accounts of variable universal life insurance | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.00%	3.00%
3% - 3.99% | Fixed accounts of variable universal life insurance | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.99%	3.99%
3% - 3.99% | Fixed accounts of variable universal life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 106	$ 108
3% - 3.99% | Fixed accounts of variable universal life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	1	1
3% - 3.99% | Fixed accounts of variable universal life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	2	2
3% - 3.99% | Fixed accounts of variable universal life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	13	12
3% - 3.99% | Fixed accounts of variable universal life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Non-indexed accounts of indexed universal life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
3% - 3.99% | Non-indexed accounts of indexed universal life insurance | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.00%	3.00%
3% - 3.99% | Non-indexed accounts of indexed universal life insurance | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.99%	3.99%
3% - 3.99% | Non-indexed accounts of indexed universal life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
3% - 3.99% | Non-indexed accounts of indexed universal life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Non-indexed accounts of indexed universal life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Non-indexed accounts of indexed universal life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Non-indexed accounts of indexed universal life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Other life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 28	$ 28
3% - 3.99% | Other life insurance | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.00%	3.00%
3% - 3.99% | Other life insurance | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	3.99%	3.99%
3% - 3.99% | Other life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 28	$ 28
3% - 3.99% | Other life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Other life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Other life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
3% - 3.99% | Other life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Total
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 5,017	$ 5,073
4% - 5.00% | Total | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	4.00%	4.00%
4% - 5.00% | Total | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	5.00%	5.00%
4% - 5.00% | Total | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 4,992	$ 5,048
4% - 5.00% | Total | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	25	25
4% - 5.00% | Total | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Total | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Total | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Fixed accounts of variable annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 1,392	$ 1,412
4% - 5.00% | Fixed accounts of variable annuities | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	4.00%	4.00%
4% - 5.00% | Fixed accounts of variable annuities | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	5.00%	5.00%
4% - 5.00% | Fixed accounts of variable annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 1,392	$ 1,412
4% - 5.00% | Fixed accounts of variable annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Fixed accounts of variable annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Fixed accounts of variable annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Fixed accounts of variable annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Fixed accounts of structured variable annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
4% - 5.00% | Fixed accounts of structured variable annuities | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	4.00%	4.00%
4% - 5.00% | Fixed accounts of structured variable annuities | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	5.00%	5.00%
4% - 5.00% | Fixed accounts of structured variable annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
4% - 5.00% | Fixed accounts of structured variable annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Fixed accounts of structured variable annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Fixed accounts of structured variable annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Fixed accounts of structured variable annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Fixed annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 2,323	$ 2,331
4% - 5.00% | Fixed annuities | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	4.00%	4.00%
4% - 5.00% | Fixed annuities | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	5.00%	5.00%
4% - 5.00% | Fixed annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 2,323	$ 2,331
4% - 5.00% | Fixed annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Fixed annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Fixed annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Fixed annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Non-indexed accounts of fixed indexed annuities
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
4% - 5.00% | Non-indexed accounts of fixed indexed annuities | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	4.00%	4.00%
4% - 5.00% | Non-indexed accounts of fixed indexed annuities | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	5.00%	5.00%
4% - 5.00% | Non-indexed accounts of fixed indexed annuities | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
4% - 5.00% | Non-indexed accounts of fixed indexed annuities | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Non-indexed accounts of fixed indexed annuities | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Non-indexed accounts of fixed indexed annuities | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Non-indexed accounts of fixed indexed annuities | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Universal life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 466	$ 477
4% - 5.00% | Universal life insurance | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	4.00%	4.00%
4% - 5.00% | Universal life insurance | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	5.00%	5.00%
4% - 5.00% | Universal life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 462	$ 473
4% - 5.00% | Universal life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	4	4
4% - 5.00% | Universal life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Universal life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Universal life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Fixed accounts of variable universal life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 573	$ 585
4% - 5.00% | Fixed accounts of variable universal life insurance | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	4.00%	4.00%
4% - 5.00% | Fixed accounts of variable universal life insurance | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	5.00%	5.00%
4% - 5.00% | Fixed accounts of variable universal life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 552	$ 564
4% - 5.00% | Fixed accounts of variable universal life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	21	21
4% - 5.00% | Fixed accounts of variable universal life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Fixed accounts of variable universal life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Fixed accounts of variable universal life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Non-indexed accounts of indexed universal life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
4% - 5.00% | Non-indexed accounts of indexed universal life insurance | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	4.00%	4.00%
4% - 5.00% | Non-indexed accounts of indexed universal life insurance | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	5.00%	5.00%
4% - 5.00% | Non-indexed accounts of indexed universal life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0
4% - 5.00% | Non-indexed accounts of indexed universal life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Non-indexed accounts of indexed universal life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Non-indexed accounts of indexed universal life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Non-indexed accounts of indexed universal life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Other life insurance
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 263	$ 268
4% - 5.00% | Other life insurance | Minimum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	4.00%	4.00%
4% - 5.00% | Other life insurance | Maximum
Policyholder Account Balance [Line Items]
Range of Guaranteed Minimum Crediting Rates	5.00%	5.00%
4% - 5.00% | Other life insurance | At Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 263	$ 268
4% - 5.00% | Other life insurance | 1-49 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Other life insurance | 50-99 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Other life insurance | 100-150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	0	0
4% - 5.00% | Other life insurance | Greater than 150 bps above Guaranteed Minimum
Policyholder Account Balance [Line Items]
Policyholder account balances	$ 0	$ 0

X

- Definition

Policyholder Account Balance, Percentage

+ References

No definition available.

+ Details

Name:	amp_PolicyholderAccountBalancePercentage
Namespace Prefix:	amp_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Policyholder Account Balance, Percentage, Reset

+ References

No definition available.

+ Details

Name:	amp_PolicyholderAccountBalancePercentageResetAbstract
Namespace Prefix:	amp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Policyholder Account Balance, Percentage, Reset In 12 Months To 24 Months

+ References

No definition available.

+ Details

Name:	amp_PolicyholderAccountBalancePercentageResetIn12MonthsTo24Months
Namespace Prefix:	amp_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Policyholder Account Balance, Percentage, Reset In Greater Than 24 Months

+ References

No definition available.

+ Details

Name:	amp_PolicyholderAccountBalancePercentageResetInGreaterThan24Months
Namespace Prefix:	amp_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Policyholder Account Balance, Percentage, Reset In Next 12 Months

+ References

No definition available.

+ Details

Name:	amp_PolicyholderAccountBalancePercentageResetInNext12Months
Namespace Prefix:	amp_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Value above guaranteed minimum crediting rate on policyholder account balance.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 29F
-Publisher FASB
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