v3.26.1
Policyholder Account Balances - Schedule of Range Guaranteed Minimum Crediting Rate (Details)
$ in Millions
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance $ 13,895 $ 13,843
Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance 6,272 6,498
Universal Life Insurance and Investment Contracts    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance 4,150 4,193
At guaranteed minimum | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance 4,469 4,647
1–50 basis points above | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance 610 639
51–150 basis points above | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance $ 1,097 $ 1,127
Greater than 150 basis points above    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account base points 0.0150 0.0150
Greater than 150 basis points above | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance $ 96 $ 85
Minimum | 1–50 basis points above    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account base points 0.0001 0.0001
Minimum | 51–150 basis points above    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account base points 0.0051 0.0051
Maximum | 1–50 basis points above    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account base points 0.0050 0.0050
Maximum | 51–150 basis points above    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account base points 0.0150 0.0150
Less than 2.00% | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance $ 153 $ 173
Less than 2.00% | At guaranteed minimum | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance 113 111
Less than 2.00% | 1–50 basis points above | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance 30 39
Less than 2.00% | 51–150 basis points above | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance 10 23
Less than 2.00% | Greater than 150 basis points above | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance $ 0 $ 0
Less than 2.00% | Maximum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account minimum credit rating 2.00% 2.00%
2.00%–2.99% | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance $ 671 $ 721
2.00%–2.99% | At guaranteed minimum | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance 670 720
2.00%–2.99% | 1–50 basis points above | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance 1 1
2.00%–2.99% | 51–150 basis points above | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance 0 0
2.00%–2.99% | Greater than 150 basis points above | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance $ 0 $ 0
2.00%–2.99% | Minimum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account minimum credit rating 2.00% 2.00%
2.00%–2.99% | Maximum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account minimum credit rating 2.99% 2.99%
3.00%–3.99% | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance $ 3,276 $ 3,372
3.00%–3.99% | At guaranteed minimum | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance 1,560 1,627
3.00%–3.99% | 1–50 basis points above | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance 558 579
3.00%–3.99% | 51–150 basis points above | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance 1,062 1,081
3.00%–3.99% | Greater than 150 basis points above | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance $ 96 $ 85
3.00%–3.99% | Minimum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account minimum credit rating 3.00% 3.00%
3.00%–3.99% | Maximum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account minimum credit rating 3.99% 3.99%
4.00% and greater | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance $ 2,172 $ 2,232
4.00% and greater | At guaranteed minimum | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance 2,126 2,189
4.00% and greater | 1–50 basis points above | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance 21 20
4.00% and greater | 51–150 basis points above | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance 25 23
4.00% and greater | Greater than 150 basis points above | Life Insurance Line, Excluding Policies With Equity Market Component    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account balance $ 0 $ 0
4.00% and greater | Minimum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder account minimum credit rating 4.00% 4.00%