v3.26.1
Policyholder Account Balances - Range of Guaranteed Minimum Crediting Rate (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance $ 239,836 $ 236,857    
Group Life | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 11,085 11,005 $ 11,340  
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 $ 5,667   $ 5,517  
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 $ 4,645   $ 5,017  
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 $ 741   $ 771  
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 $ 32   $ 35  
Group Life | At GMCR | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 5,647   6,012  
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 514   468  
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 4,472   4,851  
Group Life | At GMCR | Equal to or greater than 4% | Group Benefits        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 661   693  
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 215   206  
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   75  
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 98   104  
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   27  
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 823   875  
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 748   810  
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 75   62  
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 4,368   4,212  
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 4,312   4,164  
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 56   48  
Capital Markets Investment Products and Stable Value GICs | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 67,069 65,592 65,147 $ 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 $ 2,436   $ 2,376  
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 $ 64,633   $ 62,771  
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 2,436   2,376  
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 2,436   2,376  
Annuities and Risk Solutions | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 27,489 26,406 24,620  
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 $ 3,748   $ 2,552  
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 $ 4,738   $ 4,671  
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 $ 4,519   $ 4,843  
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 $ 14,484   $ 12,554  
Annuities and Risk Solutions | At GMCR | RIS        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 4,508   4,752  
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 426   349  
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 4,082   4,403  
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 2,202   2,518  
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 2,202   2,507  
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 980   1,052  
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   7  
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 541   622  
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 431   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 5,315   3,744  
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 3,740   2,545  
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 1,569   1,193  
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 54,812 54,374 51,963 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 $ 12,013   $ 12,260  
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 $ 39,709   $ 39,014  
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 $ 226   $ 236  
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 $ 2,864   $ 453  
Universal and Variable Universal Life | At GMCR | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 16,802   18,050  
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 9,644   10,301  
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 6,932   7,513  
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 226   236  
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 15,937   15,861  
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 18   17  
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 15,919   15,844  
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 5,145   5,341  
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 270   243  
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 4,875   5,098  
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 14,064   12,258  
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 2,081   1,699  
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 11,983   10,559  
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 43,956 43,188 39,301 $ 38,421
Fixed Annuity | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 6,184 6,383 6,807  
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 $ 42,911   $ 38,097  
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 $ 684   $ 628  
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 $ 4,339   $ 4,913  
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 $ 825   $ 890  
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 $ 1,041   $ 1,200  
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 336   376  
Fixed Annuity | At GMCR | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 278   310  
Fixed Annuity | At GMCR | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 3,145   2,572  
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 278   310  
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 40   15  
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 2,458   2,067  
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 647   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 373   484  
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 1,716   2,929  
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 369   480  
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 9   126  
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 1,533   2,411  
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 174   392  
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 3,763   4,624  
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 658   769  
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 3,763   4,624  
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 362   409  
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 292   352  
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   8  
Fixed Annuity | Equal to or greater than 1.50% above GMCR | Asia        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 38,501   32,683  
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 329   161  
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 38,501   32,683  
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 273   78  
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 56   83  
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 7,036 $ 7,109 7,292  
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 $ 1,271   $ 1,309  
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 $ 5,126   $ 5,357  
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 $ 639   $ 626  
Life and Other | At GMCR | Corporate And Other        
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]        
Policyholder account balance 5,082   5,172  
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   358  
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 4,720   4,814  
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   288  
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 164   168  
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 385   120  
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 606   656  
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 605   256  
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   400  
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 160   550  
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 140   527  
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   $ 23