v3.26.1
Investments - Schedule of Debt Service Coverage Ratio for Fixed Rate Commercial Mortgage Loans by Property Type (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 6,351 $ 6,363
% of total 100.00% 100.00%
Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 6,351 $ 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 $ 2,629 $ 2,642
% of total 42.00% 42.00%
Retail | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 2,629 $ 2,642
Industrial    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 1,464 $ 1,454
% of total 23.00% 23.00%
Industrial | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 1,464 $ 1,454
Office    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 1,266 $ 1,292
% of total 20.00% 20.00%
Office | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 1,266 $ 1,292
Apartments    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 516 $ 514
% of total 8.00% 8.00%
Apartments | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 516 $ 514
Mixed use    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 338 $ 323
% of total 5.00% 5.00%
Mixed use | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 338 $ 323
Other    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 138 $ 138
% of total 2.00% 2.00%
Other | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 138 $ 138
Less than 1.00 | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 301 $ 314
% of total 5.00% 5.00%
Weighted-average debt-to-value 75.00% 74.00%
Less than 1.00 | Retail | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 27 $ 27
Less than 1.00 | Industrial | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 43 46
Less than 1.00 | Office | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 167 175
Less than 1.00 | Apartments | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 16 16
Less than 1.00 | Mixed use | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 41 42
Less than 1.00 | Other | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 7 8
1.00 - 1.25 | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 425 $ 425
% of total 7.00% 7.00%
Weighted-average debt-to-value 69.00% 70.00%
1.00 - 1.25 | Retail | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 97 $ 93
1.00 - 1.25 | Industrial | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 61 61
1.00 - 1.25 | Office | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 184 187
1.00 - 1.25 | Apartments | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 32 32
1.00 - 1.25 | Mixed use | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 40 41
1.00 - 1.25 | Other | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 11 11
1.26 - 1.50 | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 1,171 $ 1,121
% of total 18.00% 18.00%
Weighted-average debt-to-value 65.00% 65.00%
1.26 - 1.50 | Retail | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 510 $ 515
1.26 - 1.50 | Industrial | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 303 276
1.26 - 1.50 | Office | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 199 200
1.26 - 1.50 | Apartments | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 92 87
1.26 - 1.50 | Mixed use | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 46 27
1.26 - 1.50 | Other | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 21 16
1.51 - 2.00 | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 2,178 $ 2,188
% of total 34.00% 34.00%
Weighted-average debt-to-value 57.00% 58.00%
1.51 - 2.00 | Retail | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 1,105 $ 1,107
1.51 - 2.00 | Industrial | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 424 419
1.51 - 2.00 | Office | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 323 331
1.51 - 2.00 | Apartments | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 169 170
1.51 - 2.00 | Mixed use | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 107 108
1.51 - 2.00 | Other | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 50 53
Greater than 2.00 | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 2,276 $ 2,315
% of total 36.00% 36.00%
Weighted-average debt-to-value 43.00% 43.00%
Greater than 2.00 | Retail | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 890 $ 900
Greater than 2.00 | Industrial | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 633 652
Greater than 2.00 | Office | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 393 399
Greater than 2.00 | Apartments | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 207 209
Greater than 2.00 | Mixed use | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value 104 105
Greater than 2.00 | Other | Fixed Rate Commercial Mortgage Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Carrying value $ 49 $ 50