v3.25.4
Investments - Schedule of Distribution of Commercial and Residential Mortgage Loans, Percentage by Geographical Location (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 39,071 $ 32,432
Percentage of Total 100.00% 100.00%
Residential Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Percentage of Total 100.00% 100.00%
Total U.S. residential mortgage loan percentage | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 31,303 $ 26,968
Percentage of Total 80.10% 83.20%
Total U.S. residential mortgage loan percentage | Residential Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Percentage of Total 91.30% 90.90%
East North Central | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 1,883 $ 1,546
Percentage of Total 4.80% 4.80%
East South Central | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 447 $ 438
Percentage of Total 1.10% 1.30%
Middle Atlantic | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 9,323 $ 8,386
Percentage of Total 23.90% 25.90%
Mountain | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 1,605 $ 1,322
Percentage of Total 4.10% 4.10%
New England | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 1,088 $ 1,118
Percentage of Total 2.80% 3.40%
Pacific | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 6,021 $ 5,768
Percentage of Total 15.40% 17.80%
South Atlantic | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 6,919 $ 6,198
Percentage of Total 17.70% 19.10%
West North Central | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 842 $ 221
Percentage of Total 2.20% 0.70%
West South Central | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 3,175 $ 1,971
Percentage of Total 8.10% 6.10%
California | Residential Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Percentage of Total 23.00% 25.60%
Texas | Residential Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Percentage of Total 15.20% 7.40%
Florida | Residential Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Percentage of Total 10.60% 12.40%
Other | Residential Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Percentage of Total 42.50% 45.50%
Total international region | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 7,768 $ 5,464
Percentage of Total 19.90% 16.80%
Total international region | Residential Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Percentage of Total 8.70% 9.10%
U.K. | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 3,085 $ 2,281
Percentage of Total 7.90% 7.00%
Other international | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 4,683 $ 3,183
Percentage of Total 12.00% 9.80%
Apartment | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 15,458 $ 11,746
Percentage of Total 39.50% 36.20%
Industrial | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 8,778 $ 6,793
Percentage of Total 22.50% 21.00%
Office building | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 4,530 $ 4,162
Percentage of Total 11.60% 12.80%
Hotels | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 2,773 $ 2,786
Percentage of Total 7.10% 8.60%
Retail | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 2,061 $ 2,269
Percentage of Total 5.30% 7.00%
Other commercial | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 5,471 $ 4,676
Percentage of Total 14.00% 14.40%