v3.25.4
Policyholder Account Balances, Future Policy Benefits and Claims - Account Balances by Guaranteed Minimum Interest Rates (Details)
$ in Millions
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Policyholder Account Balance [Line Items]      
Policyholder account balances $ 37,005 $ 32,542 $ 27,947
Percentage of total account values that reset in:      
Next 12 months 100.00% 100.00%  
> 12 months to 24 months 0.00% 0.00%  
> 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%  
> 12 months to 24 months 0.00% 0.00%  
> 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 100.00% 100.00%  
> 12 months to 24 months 0.00% 0.00%  
> 24 months 0.00% 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%  
> 12 months to 24 months 0.00% 0.00%  
> 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%  
> 12 months to 24 months 0.00% 0.00%  
> 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%  
> 12 months to 24 months 0.00% 0.00%  
> 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 $ 10,756 $ 11,641  
Total | At Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 9,735 10,625  
Total | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 350 544  
Total | 50-99 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 289 262  
Total | 100-150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 298 143  
Total | Greater than 150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 84 67  
Fixed accounts of variable annuities      
Policyholder Account Balance [Line Items]      
Policyholder account balances 3,276 3,627  
Fixed accounts of variable annuities | At Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 3,103 3,442  
Fixed accounts of variable annuities | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 70 102  
Fixed accounts of variable annuities | 50-99 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 82 65  
Fixed accounts of variable annuities | 100-150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 21 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 70 45  
Fixed accounts of structured variable annuities | At Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 17 16  
Fixed accounts of structured variable annuities | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 26 20  
Fixed accounts of structured variable annuities | 50-99 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 26 9  
Fixed accounts of structured variable annuities | 100-150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 1 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 4,908 5,356  
Fixed annuities | At Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 4,441 4,848  
Fixed annuities | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 199 251  
Fixed annuities | 50-99 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 146 154  
Fixed annuities | 100-150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 103 89  
Fixed annuities | Greater than 150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 19 14  
Non-indexed accounts of fixed indexed annuities      
Policyholder Account Balance [Line Items]      
Policyholder account balances 19 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 4 5  
Non-indexed accounts of fixed indexed annuities | 100-150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 13 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 1,322 1,377  
Universal life insurance | At Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 1,278 1,344  
Universal life insurance | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 11 8  
Universal life insurance | 50-99 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 23 19  
Universal life insurance | 100-150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 9 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 751 788  
Fixed accounts of variable universal life insurance | At Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 623 679  
Fixed accounts of variable universal life insurance | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 42 36  
Fixed accounts of variable universal life insurance | 50-99 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 8 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 62 53  
Non-indexed accounts of indexed universal life insurance      
Policyholder Account Balance [Line Items]      
Policyholder account balances 137 131  
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 135 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 273 296  
Other life insurance | At Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 273 296  
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 $ 744 $ 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 $ 7 $ 111  
1% - 1.99% | Total | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 272 354  
1% - 1.99% | Total | 50-99 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 258 239  
1% - 1.99% | Total | 100-150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 138 123  
1% - 1.99% | Total | Greater than 150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 69 55  
1% - 1.99% | Fixed accounts of variable annuities      
Policyholder Account Balance [Line Items]      
Policyholder account balances $ 171 $ 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 $ 7 $ 24  
1% - 1.99% | Fixed accounts of variable annuities | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 62 95  
1% - 1.99% | Fixed accounts of variable annuities | 50-99 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 82 65  
1% - 1.99% | Fixed accounts of variable annuities | 100-150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 20 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 $ 53 $ 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 $ 0 $ 2  
1% - 1.99% | Fixed accounts of structured variable annuities | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 26 20  
1% - 1.99% | Fixed accounts of structured variable annuities | 50-99 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 26 9  
1% - 1.99% | Fixed accounts of structured variable annuities | 100-150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 1 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 $ 447 $ 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 $ 0 $ 85  
1% - 1.99% | Fixed annuities | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 182 237  
1% - 1.99% | Fixed annuities | 50-99 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 143 152  
1% - 1.99% | Fixed annuities | 100-150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 103 89  
1% - 1.99% | Fixed annuities | Greater than 150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 19 14  
1% - 1.99% | Non-indexed accounts of fixed indexed annuities      
Policyholder Account Balance [Line Items]      
Policyholder account balances $ 19 $ 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 4 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 13 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 $ 52 $ 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 3 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 1 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 48 41  
1% - 1.99% | Non-indexed accounts of indexed universal life insurance      
Policyholder Account Balance [Line Items]      
Policyholder account balances $ 2 $ 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 0 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 $ 166 $ 204  
2% - 2.99% | Total | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 46 157  
2% - 2.99% | Total | 50-99 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 23 17  
2% - 2.99% | Total | 100-150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 138 1  
2% - 2.99% | Total | Greater than 150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 15 12  
2% - 2.99% | Fixed accounts of variable annuities      
Policyholder Account Balance [Line Items]      
Policyholder account balances $ 97 $ 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 $ 89 $ 112  
2% - 2.99% | Fixed accounts of variable annuities | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 8 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 $ 16 $ 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 $ 16 $ 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 $ 31 $ 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 $ 13 $ 22  
2% - 2.99% | Fixed annuities | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 16 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 $ 75 $ 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 $ 47 $ 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 19 15  
2% - 2.99% | Universal life insurance | 100-150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 2 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 $ 34 $ 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 $ 1 $ 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 16 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 2 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 14 12  
2% - 2.99% | Non-indexed accounts of indexed universal life insurance      
Policyholder Account Balance [Line Items]      
Policyholder account balances $ 135 $ 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 135 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 $ 4,746 $ 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 $ 4,714 $ 5,262  
3% - 3.99% | Total | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 2 8  
3% - 3.99% | Total | 50-99 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 8 6  
3% - 3.99% | Total | 100-150 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 22 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 $ 1,687 $ 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 $ 1,686 $ 1,894  
3% - 3.99% | Fixed accounts of variable annuities | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 0 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 $ 2,118 $ 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 $ 2,116 $ 2,410  
3% - 3.99% | Fixed annuities | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 1 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 $ 800 $ 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 $ 789 $ 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 7 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 $ 116 $ 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 $ 98 $ 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 3 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 14 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 $ 24 $ 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 $ 24 $ 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 $ 4,878 $ 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 $ 4,848 $ 5,048  
4% - 5.00% | Total | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 30 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 $ 1,321 $ 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 $ 1,321 $ 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 $ 2,312 $ 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 $ 2,312 $ 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 $ 447 $ 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 $ 442 $ 473  
4% - 5.00% | Universal life insurance | 1-49 bps above Guaranteed Minimum      
Policyholder Account Balance [Line Items]      
Policyholder account balances 5 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 $ 549 $ 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 $ 524 $ 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 25 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 $ 249 $ 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 $ 249 $ 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