v3.26.1
Investments - Schedule of Distribution of Commercial and Residential Mortgage Loans, Percentage by Geographical Location (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 48,291 $ 39,071
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 $ 36,102 $ 31,303
Percentage of Total 74.80% 80.10%
Total U.S. residential mortgage loan percentage | Residential Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Percentage of Total 91.40% 91.30%
East North Central | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 2,451 $ 1,883
Percentage of Total 5.10% 4.80%
East South Central | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 381 $ 447
Percentage of Total 0.80% 1.10%
Middle Atlantic | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 10,747 $ 9,323
Percentage of Total 22.30% 23.90%
Mountain | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 1,877 $ 1,605
Percentage of Total 3.90% 4.10%
New England | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 1,184 $ 1,088
Percentage of Total 2.50% 2.80%
Pacific | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 6,143 $ 6,021
Percentage of Total 12.70% 15.40%
South Atlantic | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 8,404 $ 6,919
Percentage of Total 17.40% 17.70%
West North Central | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 787 $ 842
Percentage of Total 1.60% 2.20%
West South Central | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 4,128 $ 3,175
Percentage of Total 8.50% 8.10%
California | Residential Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Percentage of Total 22.80% 23.00%
Texas | Residential Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Percentage of Total 15.60% 15.20%
Florida | Residential Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Percentage of Total 10.50% 10.60%
Other | Residential Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Percentage of Total 42.50% 42.50%
Total international region | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 12,189 $ 7,768
Percentage of Total 25.20% 19.90%
Total international region | Residential Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Percentage of Total 8.60% 8.70%
United Kingdom | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 5,336 $ 3,085
Percentage of Total 11.00% 7.90%
Other international | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 6,853 $ 4,683
Percentage of Total 14.20% 12.00%
Apartment | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 15,640 $ 15,458
Percentage of Total 32.40% 39.50%
Industrial | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 10,467 $ 8,778
Percentage of Total 21.60% 22.50%
Office building | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 6,367 $ 4,530
Percentage of Total 13.20% 11.60%
Hotels | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 5,072 $ 2,773
Percentage of Total 10.50% 7.10%
Retail | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 2,591 $ 2,061
Percentage of Total 5.40% 5.30%
Other commercial | Commercial Mortgage Loan    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Fair Value $ 8,154 $ 5,471
Percentage of Total 16.90% 14.00%