v3.26.1
Investments - Schedule of Debt Service Coverage Ratio for Commercial Mortgage Loans by Property Type (Details) - USD ($)
$ in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 6,408 $ 6,363
% of total 100.00% 100.00%
Weighted-average debt-to-value 55.00% 55.00%
Retail    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 2,587 $ 2,642
% of total 40.00% 42.00%
Industrial    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 1,502 $ 1,454
% of total 24.00% 23.00%
Office    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 1,262 $ 1,292
% of total 20.00% 20.00%
Apartments    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 573 $ 514
% of total 9.00% 8.00%
Mixed use    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 341 $ 323
% of total 5.00% 5.00%
Other    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 143 $ 138
% of total 2.00% 2.00%
Less than 1.00    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 287 $ 314
% of total 4.00% 5.00%
Weighted-average debt-to-value 75.00% 74.00%
Less than 1.00 | Retail    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 26 $ 27
Less than 1.00 | Industrial    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 43 46
Less than 1.00 | Office    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 166 175
Less than 1.00 | Apartments    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 16 16
Less than 1.00 | Mixed use    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 30 42
Less than 1.00 | Other    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 6 8
1.00 - 1.25    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 387 $ 425
% of total 6.00% 7.00%
Weighted-average debt-to-value 68.00% 70.00%
1.00 - 1.25 | Retail    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 97 $ 93
1.00 - 1.25 | Industrial    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 60 61
1.00 - 1.25 | Office    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 147 187
1.00 - 1.25 | Apartments    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 32 32
1.00 - 1.25 | Mixed use    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 40 41
1.00 - 1.25 | Other    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 11 11
1.26 - 1.50    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 1,255 $ 1,121
% of total 20.00% 18.00%
Weighted-average debt-to-value 64.00% 65.00%
1.26 - 1.50 | Retail    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 512 $ 515
1.26 - 1.50 | Industrial    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 360 276
1.26 - 1.50 | Office    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 213 200
1.26 - 1.50 | Apartments    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 96 87
1.26 - 1.50 | Mixed use    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 52 27
1.26 - 1.50 | Other    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 22 16
1.51 - 2.00    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 2,236 $ 2,188
% of total 35.00% 34.00%
Weighted-average debt-to-value 58.00% 58.00%
1.51 - 2.00 | Retail    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 1,092 $ 1,107
1.51 - 2.00 | Industrial    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 418 419
1.51 - 2.00 | Office    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 372 331
1.51 - 2.00 | Apartments    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 192 170
1.51 - 2.00 | Mixed use    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 106 108
1.51 - 2.00 | Other    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 56 53
Greater than 2.00    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 2,243 $ 2,315
% of total 35.00% 36.00%
Weighted-average debt-to-value 42.00% 43.00%
Greater than 2.00 | Retail    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 860 $ 900
Greater than 2.00 | Industrial    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 621 652
Greater than 2.00 | Office    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 364 399
Greater than 2.00 | Apartments    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 237 209
Greater than 2.00 | Mixed use    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 113 105
Greater than 2.00 | Other    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 48 $ 50