v3.25.2
Reserves for Future Policy Benefits and Contract Owner Account Balances - GMIR (Details)
$ in Millions
Jun. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 40,450 $ 37,104
Up to 1.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 14,511 $ 12,329
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 $ 596 $ 612
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 $ 10,494 $ 10,485
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 $ 9,310 $ 8,519
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 $ 1,489 $ 1,544
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 $ 344 $ 366
Total discretionary rate setting products    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 36,744 33,855
At GMIR    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 21,535 20,981
At GMIR | Up to 1.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 127 82
At GMIR | 1.01% - 2.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 423 437
At GMIR | 2.01% - 3.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 10,072 10,266
At GMIR | 3.01% - 4.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 9,160 8,368
At GMIR | 4.01% and Above    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 1,411 1,464
At GMIR | Renewable beyond 12 months (MYGA)    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 342 364
Up to .50% Above GMIR    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance $ 4,895 $ 4,807
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 $ 4,298 $ 4,378
Up to .50% Above GMIR | 1.01% - 2.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 100 106
Up to .50% Above GMIR | 2.01% - 3.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 270 93
Up to .50% Above GMIR | 3.01% - 4.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 149 150
Up to .50% Above GMIR | 4.01% and Above    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 78 80
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 $ 4,177 $ 3,807
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 $ 4,067 $ 3,691
0.51% - 1.00% Above GMIR | 1.01% - 2.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 57 54
0.51% - 1.00% Above GMIR | 2.01% - 3.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 53 62
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 $ 2,205 $ 1,773
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 $ 2,103 $ 1,705
1.01% - 1.50% Above GMIR | 1.01% - 2.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 7 7
1.01% - 1.50% Above GMIR | 2.01% - 3.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 94 60
1.01% - 1.50% Above GMIR | 3.01% - 4.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 1 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 $ 2,234 $ 1,549
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 $ 2,229 $ 1,545
1.51% - 2.00% Above GMIR | 1.01% - 2.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 3 2
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 $ 1,698 $ 938
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 $ 1,687 $ 928
More than 2.00% Above GMIR | 1.01% - 2.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 6 6
More than 2.00% Above GMIR | 2.01% - 3.00%    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance 5 4
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