v3.26.1
Policyholder Account Balances - Range of Guaranteed Minimum Crediting Rate (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 106,376 $ 104,091    
Group Life        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 10,297 10,197 $ 10,382  
Group Life | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 5,573   $ 5,325  
Group Life | Equal to or greater than 0% but less than 2% | Minimum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 0.00%   0.00%  
Group Life | Equal to or greater than 0% but less than 2% | Maximum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 2.00%   2.00%  
Group Life | Equal to or greater than 2% but less than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 3,959   $ 4,258  
Group Life | Equal to or greater than 2% but less than 4% | Minimum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 2.00%   2.00%  
Group Life | Equal to or greater than 2% but less than 4% | Maximum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 4.00%   4.00%  
Group Life | Equal to or greater than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 734   $ 766  
Group Life | Equal to or greater than 4% | Minimum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 4.00%   4.00%  
Group Life | Products with either a fixed rate or no GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 31   $ 33  
Group Life | At GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 4,951   5,265  
Group Life | At GMCR | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 515   479  
Group Life | At GMCR | Equal to or greater than 2% but less than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 3,785   4,099  
Group Life | At GMCR | Equal to or greater than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 651   687  
Group Life | Greater than 0% but less than 0.50% above GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 118   125  
Group Life | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Group Life | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 2% but less than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 94   99  
Group Life | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 24   26  
Group Life | Equal to or greater than 0.50% but less than 1.50% above GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 707   760  
Group Life | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 627   697  
Group Life | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 2% but less than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 80   60  
Group Life | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   3  
Group Life | Equal to or greater than 1.50% above GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 4,490   4,199  
Group Life | Equal to or greater than 1.50% above GMCR | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 4,431   4,149  
Group Life | Equal to or greater than 1.50% above GMCR | Equal to or greater than 2% but less than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Group Life | Equal to or greater than 1.50% above GMCR | Equal to or greater than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 59   50  
Capital Markets Investment Products and Stable Value GICs        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 61,418 59,278 60,373 $ 57,799
Capital Markets Investment Products and Stable Value GICs | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 2,485   $ 2,591  
Capital Markets Investment Products and Stable Value GICs | Equal to or greater than 0% but less than 2% | Minimum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 0.00%   0.00%  
Capital Markets Investment Products and Stable Value GICs | Equal to or greater than 0% but less than 2% | Maximum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 2.00%   2.00%  
Capital Markets Investment Products and Stable Value GICs | Products with either a fixed rate or no GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 58,933   $ 57,782  
Capital Markets Investment Products and Stable Value GICs | At GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Capital Markets Investment Products and Stable Value GICs | At GMCR | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Capital Markets Investment Products and Stable Value GICs | Greater than 0% but less than 0.50% above GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Capital Markets Investment Products and Stable Value GICs | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Capital Markets Investment Products and Stable Value GICs | Equal to or greater than 0.50% but less than 1.50% above GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Capital Markets Investment Products and Stable Value GICs | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Capital Markets Investment Products and Stable Value GICs | Equal to or greater than 1.50% above GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 2,485   2,591  
Capital Markets Investment Products and Stable Value GICs | Equal to or greater than 1.50% above GMCR | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 2,485   2,591  
Annuities and Risk Solutions        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 16,388 15,671 15,090  
Annuities and Risk Solutions | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 2,707   $ 2,388  
Annuities and Risk Solutions | Equal to or greater than 0% but less than 2% | Minimum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 0.00%   0.00%  
Annuities and Risk Solutions | Equal to or greater than 0% but less than 2% | Maximum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 2.00%   2.00%  
Annuities and Risk Solutions | Equal to or greater than 2% but less than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 3,076   $ 3,372  
Annuities and Risk Solutions | Equal to or greater than 2% but less than 4% | Minimum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 2.00%   2.00%  
Annuities and Risk Solutions | Equal to or greater than 2% but less than 4% | Maximum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 4.00%   4.00%  
Annuities and Risk Solutions | Equal to or greater than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 3,635   $ 3,978  
Annuities and Risk Solutions | Equal to or greater than 4% | Minimum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 4.00%   4.00%  
Annuities and Risk Solutions | Products with either a fixed rate or no GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 6,970   $ 5,352  
Annuities and Risk Solutions | At GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 3,927   4,038  
Annuities and Risk Solutions | At GMCR | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Annuities and Risk Solutions | At GMCR | Equal to or greater than 2% but less than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 459   370  
Annuities and Risk Solutions | At GMCR | Equal to or greater than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 3,468   3,668  
Annuities and Risk Solutions | Greater than 0% but less than 0.50% above GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 2,114   2,457  
Annuities and Risk Solutions | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Annuities and Risk Solutions | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 2% but less than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 2,114   2,446  
Annuities and Risk Solutions | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   11  
Annuities and Risk Solutions | Equal to or greater than 0.50% but less than 1.50% above GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 619   804  
Annuities and Risk Solutions | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 8   8  
Annuities and Risk Solutions | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 2% but less than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 450   503  
Annuities and Risk Solutions | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 161   293  
Annuities and Risk Solutions | Equal to or greater than 1.50% above GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 2,758   2,439  
Annuities and Risk Solutions | Equal to or greater than 1.50% above GMCR | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 2,699   2,380  
Annuities and Risk Solutions | Equal to or greater than 1.50% above GMCR | Equal to or greater than 2% but less than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 53   53  
Annuities and Risk Solutions | Equal to or greater than 1.50% above GMCR | Equal to or greater than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 6   6  
Fixed Annuity        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 5,466 $ 5,788 6,022  
Fixed Annuity | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 674   $ 612  
Fixed Annuity | Equal to or greater than 0% but less than 2% | Minimum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 0.00%   0.00%  
Fixed Annuity | Equal to or greater than 0% but less than 2% | Maximum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 2.00%   2.00%  
Fixed Annuity | Equal to or greater than 2% but less than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 4,207   $ 4,770  
Fixed Annuity | Equal to or greater than 2% but less than 4% | Minimum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 2.00%   2.00%  
Fixed Annuity | Equal to or greater than 2% but less than 4% | Maximum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 4.00%   4.00%  
Fixed Annuity | Equal to or greater than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 278   $ 304  
Fixed Annuity | Equal to or greater than 4% | Minimum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 4.00%   4.00%  
Fixed Annuity | Products with either a fixed rate or no GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 307   $ 336  
Fixed Annuity | At GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 2,629   2,745  
Fixed Annuity | At GMCR | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 39   29  
Fixed Annuity | At GMCR | Equal to or greater than 2% but less than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 2,480   2,552  
Fixed Annuity | At GMCR | Equal to or greater than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 110   164  
Fixed Annuity | Greater than 0% but less than 0.50% above GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 1,640   1,983  
Fixed Annuity | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 10   25  
Fixed Annuity | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 2% but less than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 1,462   1,819  
Fixed Annuity | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 168   139  
Fixed Annuity | Equal to or greater than 0.50% but less than 1.50% above GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 679   811  
Fixed Annuity | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 461   492  
Fixed Annuity | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 2% but less than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 218   318  
Fixed Annuity | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   1  
Fixed Annuity | Equal to or greater than 1.50% above GMCR        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 211   147  
Fixed Annuity | Equal to or greater than 1.50% above GMCR | Equal to or greater than 0% but less than 2%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 164   66  
Fixed Annuity | Equal to or greater than 1.50% above GMCR | Equal to or greater than 2% but less than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 47   81  
Fixed Annuity | Equal to or greater than 1.50% above GMCR | Equal to or greater than 4%        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 0   $ 0