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 $ 245,458 $ 236,857    
Group Life | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 11,109 11,005 $ 11,213  
Group Life | Equal to or greater than 0% but less than 2% | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 5,791   $ 5,506  
Group Life | Equal to or greater than 0% but less than 2% | Group Benefits | 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% | Group Benefits | 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% | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 4,553   $ 4,908  
Group Life | Equal to or greater than 2% but less than 4% | Group Benefits | 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% | Group Benefits | 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% | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 734   $ 766  
Group Life | Equal to or greater than 4% | Group Benefits | 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 | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 31   $ 33  
Group Life | At GMCR | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 5,539   5,913  
Group Life | At GMCR | Equal to or greater than 0% but less than 2% | Group Benefits        
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% | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 4,373   4,747  
Group Life | At GMCR | Equal to or greater than 4% | Group Benefits        
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 | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 212   203  
Group Life | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 0% but less than 2% | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 93   76  
Group Life | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 2% but less than 4% | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 95   101  
Group Life | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 4% | Group Benefits        
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 | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 817   855  
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% | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 732   792  
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% | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 85   60  
Group Life | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 4% | Group Benefits        
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 | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 4,510   4,209  
Group Life | Equal to or greater than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 4,451   4,159  
Group Life | Equal to or greater than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | Group Benefits        
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% | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 59   50  
Capital Markets Investment Products and Stable Value GICs | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 68,616 65,592 66,557 $ 63,715
Capital Markets Investment Products and Stable Value GICs | Equal to or greater than 0% but less than 2% | RIS        
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% | RIS | 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% | RIS | 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 | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 66,131   $ 63,966  
Capital Markets Investment Products and Stable Value GICs | At GMCR | RIS        
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% | RIS        
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 | RIS        
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% | RIS        
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 | RIS        
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% | RIS        
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 | RIS        
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% | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 2,485   2,591  
Annuities and Risk Solutions | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 29,122 26,406 25,183  
Annuities and Risk Solutions | Equal to or greater than 0% but less than 2% | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 4,482   $ 2,825  
Annuities and Risk Solutions | Equal to or greater than 0% but less than 2% | RIS | 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% | RIS | 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% | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 4,821   $ 4,641  
Annuities and Risk Solutions | Equal to or greater than 2% but less than 4% | RIS | 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% | RIS | 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% | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 4,481   $ 4,819  
Annuities and Risk Solutions | Equal to or greater than 4% | RIS | 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 | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 15,338   $ 12,898  
Annuities and Risk Solutions | At GMCR | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 4,644   4,749  
Annuities and Risk Solutions | At GMCR | Equal to or greater than 0% but less than 2% | RIS        
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% | RIS        
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% | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 4,185   4,379  
Annuities and Risk Solutions | Greater than 0% but less than 0.50% above GMCR | RIS        
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% | RIS        
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% | RIS        
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% | RIS        
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 | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 836   1,032  
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% | RIS        
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% | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 538   601  
Annuities and Risk Solutions | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 4% | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 290   423  
Annuities and Risk Solutions | Equal to or greater than 1.50% above GMCR | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 6,190   4,047  
Annuities and Risk Solutions | Equal to or greater than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 4,474   2,817  
Annuities and Risk Solutions | Equal to or greater than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 1,710   1,224  
Annuities and Risk Solutions | Equal to or greater than 1.50% above GMCR | Equal to or greater than 4% | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 6   6  
Universal and Variable Universal Life | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 55,090 54,374 53,564 50,801
Universal and Variable Universal Life | Equal to or greater than 0% but less than 2% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 11,845   $ 12,755  
Universal and Variable Universal Life | Equal to or greater than 0% but less than 2% | Asia | Minimum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 0.00%   0.00%  
Universal and Variable Universal Life | Equal to or greater than 0% but less than 2% | Asia | Maximum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 2.00%   2.00%  
Universal and Variable Universal Life | Equal to or greater than 2% but less than 4% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 39,632   $ 39,627  
Universal and Variable Universal Life | Equal to or greater than 2% but less than 4% | Asia | Minimum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 2.00%   2.00%  
Universal and Variable Universal Life | Equal to or greater than 2% but less than 4% | Asia | Maximum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 4.00%   4.00%  
Universal and Variable Universal Life | Equal to or greater than 4% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 223   $ 232  
Universal and Variable Universal Life | Equal to or greater than 4% | Asia | Minimum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 4.00%   4.00%  
Universal and Variable Universal Life | Products with either a fixed rate or no GMCR | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 3,390   $ 950  
Universal and Variable Universal Life | At GMCR | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 16,400   18,480  
Universal and Variable Universal Life | At GMCR | Equal to or greater than 0% but less than 2% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 9,412   10,673  
Universal and Variable Universal Life | At GMCR | Equal to or greater than 2% but less than 4% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 6,765   7,575  
Universal and Variable Universal Life | At GMCR | Equal to or greater than 4% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 223   232  
Universal and Variable Universal Life | Greater than 0% but less than 0.50% above GMCR | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 15,889   15,966  
Universal and Variable Universal Life | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 0% but less than 2% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 11   24  
Universal and Variable Universal Life | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 2% but less than 4% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 15,878   15,942  
Universal and Variable Universal Life | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 4% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Universal and Variable Universal Life | Equal to or greater than 0.50% but less than 1.50% above GMCR | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 5,020   5,292  
Universal and Variable Universal 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% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 271   245  
Universal and Variable Universal 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% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 4,749   5,047  
Universal and Variable Universal Life | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 4% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Universal and Variable Universal Life | Equal to or greater than 1.50% above GMCR | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 14,391   12,876  
Universal and Variable Universal Life | Equal to or greater than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 2,151   1,813  
Universal and Variable Universal Life | Equal to or greater than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 12,240   11,063  
Universal and Variable Universal Life | Equal to or greater than 1.50% above GMCR | Equal to or greater than 4% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Fixed Annuity | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 45,099 43,188 41,419 $ 38,421
Fixed Annuity | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 6,039 6,383 6,633  
Fixed Annuity | Equal to or greater than 0% but less than 2% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 44,086   $ 40,209  
Fixed Annuity | Equal to or greater than 0% but less than 2% | Asia | 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% | Asia | 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 0% but less than 2% | Corporate And Other        
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% | Corporate And Other | 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% | Corporate And Other | 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% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 4   $ 4  
Fixed Annuity | Equal to or greater than 2% but less than 4% | Asia | 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% | Asia | 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 2% but less than 4% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 4,218   $ 4,782  
Fixed Annuity | Equal to or greater than 2% but less than 4% | Corporate And Other | 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% | Corporate And Other | 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% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 814   $ 877  
Fixed Annuity | Equal to or greater than 4% | Corporate And Other | 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 | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 1,009   $ 1,206  
Fixed Annuity | Products with either a fixed rate or no GMCR | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 333   362  
Fixed Annuity | At GMCR | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 258   293  
Fixed Annuity | At GMCR | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 3,164   3,072  
Fixed Annuity | At GMCR | Equal to or greater than 0% but less than 2% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 258   293  
Fixed Annuity | At GMCR | Equal to or greater than 0% but less than 2% | Corporate And Other        
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% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Fixed Annuity | At GMCR | Equal to or greater than 2% but less than 4% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 2,485   2,553  
Fixed Annuity | At GMCR | Equal to or greater than 4% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 640   490  
Fixed Annuity | Greater than 0% but less than 0.50% above GMCR | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 321   461  
Fixed Annuity | Greater than 0% but less than 0.50% above GMCR | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 1,643   2,230  
Fixed Annuity | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 0% but less than 2% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 317   457  
Fixed Annuity | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 0% but less than 2% | Corporate And Other        
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% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 4   4  
Fixed Annuity | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 2% but less than 4% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 1,463   1,825  
Fixed Annuity | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 4% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 170   380  
Fixed Annuity | Equal to or greater than 0.50% but less than 1.50% above GMCR | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 3,639   4,443  
Fixed Annuity | Equal to or greater than 0.50% but less than 1.50% above GMCR | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 688   822  
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% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 3,639   4,443  
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% | Corporate And Other        
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% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
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% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 223   323  
Fixed Annuity | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 4% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 4   7  
Fixed Annuity | Equal to or greater than 1.50% above GMCR | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 39,872   35,016  
Fixed Annuity | Equal to or greater than 1.50% above GMCR | Corporate And Other        
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% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 39,872   35,016  
Fixed Annuity | Equal to or greater than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | Corporate And Other        
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% | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Fixed Annuity | Equal to or greater than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | Corporate And Other        
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% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Life and Other | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 6,982 $ 7,109 7,241  
Life and Other | Equal to or greater than 0% but less than 2% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 0   $ 0  
Life and Other | Equal to or greater than 0% but less than 2% | Corporate And Other | Minimum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 0.00%   0.00%  
Life and Other | Equal to or greater than 0% but less than 2% | Corporate And Other | Maximum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 2.00%   2.00%  
Life and Other | Equal to or greater than 2% but less than 4% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 1,256   $ 1,301  
Life and Other | Equal to or greater than 2% but less than 4% | Corporate And Other | Minimum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 2.00%   2.00%  
Life and Other | Equal to or greater than 2% but less than 4% | Corporate And Other | Maximum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 4.00%   4.00%  
Life and Other | Equal to or greater than 4% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 5,072   $ 5,302  
Life and Other | Equal to or greater than 4% | Corporate And Other | Minimum        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Range of Guaranteed Minimum Credit Rating 4.00%   4.00%  
Life and Other | Products with either a fixed rate or no GMCR | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 654   $ 638  
Life and Other | At GMCR | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 5,031   5,241  
Life and Other | At GMCR | Equal to or greater than 0% but less than 2% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Life and Other | At GMCR | Equal to or greater than 2% but less than 4% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 362   359  
Life and Other | At GMCR | Equal to or greater than 4% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 4,669   4,882  
Life and Other | Greater than 0% but less than 0.50% above GMCR | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 549   567  
Life and Other | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 0% but less than 2% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Life and Other | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 2% but less than 4% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 167   170  
Life and Other | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 4% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 382   397  
Life and Other | Equal to or greater than 0.50% but less than 1.50% above GMCR | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 589   629  
Life and Other | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Life and Other | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 588   628  
Life and Other | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 4% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 1   1  
Life and Other | Equal to or greater than 1.50% above GMCR | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 159   166  
Life and Other | Equal to or greater than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 0   0  
Life and Other | Equal to or greater than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 139   144  
Life and Other | Equal to or greater than 1.50% above GMCR | Equal to or greater than 4% | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 20   $ 22