v3.26.1
Reserves for Future Policy Benefits and Contract Owner Account Balances - GMIR (Details)
$ in Millions
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 40,238 $ 40,374
Up to 1.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 14,647 $ 14,565
Policyholder Account Balance, Guaranteed Minimum Credit Rating 1.00% 1.00%
1.01% - 2.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 551 $ 567
1.01% - 2.00% | Minimum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, Guaranteed Minimum Credit Rating 1.01% 1.01%
1.01% - 2.00% | Maximum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, Guaranteed Minimum Credit Rating 2.00% 2.00%
2.01% - 3.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 10,127 $ 10,264
2.01% - 3.00% | Minimum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, Guaranteed Minimum Credit Rating 2.01% 2.01%
2.01% - 3.00% | Maximum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, Guaranteed Minimum Credit Rating 3.00% 3.00%
3.01% - 4.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 8,729 $ 8,885
3.01% - 4.00% | Minimum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, Guaranteed Minimum Credit Rating 3.01% 3.01%
3.01% - 4.00% | Maximum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, Guaranteed Minimum Credit Rating 4.00% 4.00%
4.01% and Above    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 1,412 $ 1,442
Policyholder Account Balance, Guaranteed Minimum Credit Rating 4.01% 4.01%
Renewable beyond 12 months (MYGA)    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 337 $ 343
Total discretionary rate setting products    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 35,803 36,066
At GMIR    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 20,490 20,803
At GMIR | Up to 1.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 123 105
At GMIR | 1.01% - 2.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 381 394
At GMIR | 2.01% - 3.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 9,731 9,860
At GMIR | 3.01% - 4.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 8,581 8,736
At GMIR | 4.01% and Above    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 1,339 1,367
At GMIR | Renewable beyond 12 months (MYGA)    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 335 341
Up to .50% Above GMIR    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 4,616 $ 4,570
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate 0.0050 0.0050
Up to .50% Above GMIR | Up to 1.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 4,051 $ 4,004
Up to .50% Above GMIR | 1.01% - 2.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 90 94
Up to .50% Above GMIR | 2.01% - 3.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 256 249
Up to .50% Above GMIR | 3.01% - 4.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 146 148
Up to .50% Above GMIR | 4.01% and Above    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 73 75
Up to .50% Above GMIR | Renewable beyond 12 months (MYGA)    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 0 0
0.51% - 1.00% Above GMIR    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 4,025 $ 4,046
0.51% - 1.00% Above GMIR | Minimum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate 0.0051 0.0051
0.51% - 1.00% Above GMIR | Maximum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate 0.0100 0.0100
0.51% - 1.00% Above GMIR | Up to 1.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 3,898 $ 3,917
0.51% - 1.00% Above GMIR | 1.01% - 2.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 63 63
0.51% - 1.00% Above GMIR | 2.01% - 3.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 64 66
0.51% - 1.00% Above GMIR | 3.01% - 4.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 0 0
0.51% - 1.00% Above GMIR | 4.01% and Above    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 0 0
0.51% - 1.00% Above GMIR | Renewable beyond 12 months (MYGA)    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 0 0
1.01% - 1.50% Above GMIR    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 2,017 $ 2,127
1.01% - 1.50% Above GMIR | Minimum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate 0.0101 0.0101
1.01% - 1.50% Above GMIR | Maximum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate 0.0150 0.0150
1.01% - 1.50% Above GMIR | Up to 1.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 1,935 $ 2,035
1.01% - 1.50% Above GMIR | 1.01% - 2.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 10 8
1.01% - 1.50% Above GMIR | 2.01% - 3.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 70 83
1.01% - 1.50% Above GMIR | 3.01% - 4.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 2 1
1.01% - 1.50% Above GMIR | 4.01% and Above    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 0 0
1.01% - 1.50% Above GMIR | Renewable beyond 12 months (MYGA)    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 0 0
1.51% - 2.00% Above GMIR    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 1,924 $ 2,167
1.51% - 2.00% Above GMIR | Minimum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate 0.0151 0.0151
1.51% - 2.00% Above GMIR | Maximum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate 0.0200 0.0200
1.51% - 2.00% Above GMIR | Up to 1.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 1,919 $ 2,162
1.51% - 2.00% Above GMIR | 1.01% - 2.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 3 3
1.51% - 2.00% Above GMIR | 2.01% - 3.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 0 0
1.51% - 2.00% Above GMIR | 3.01% - 4.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance   0
1.51% - 2.00% Above GMIR | 4.01% and Above    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 0 0
1.51% - 2.00% Above GMIR | Renewable beyond 12 months (MYGA)    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 2 2
More than 2.00% Above GMIR    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 2,731 $ 2,353
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate 0.0200 0.0200
More than 2.00% Above GMIR | Up to 1.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 2,721 $ 2,342
More than 2.00% Above GMIR | 1.01% - 2.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 4 5
More than 2.00% Above GMIR | 2.01% - 3.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 6 6
More than 2.00% Above GMIR | 3.01% - 4.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 0 0
More than 2.00% Above GMIR | 4.01% and Above    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 0 0
More than 2.00% Above GMIR | Renewable beyond 12 months (MYGA)    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 0 $ 0