v3.26.3
Investments - Mortgage Loans, Net by Property Type and Geographic Region (Details) - Commercial mortgage loans - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 47,737 $ 39,071
Property Type Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 100.00% 100.00%
Geographic Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 100.00% 100.00%
Total U.S. Region    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 35,889 $ 31,303
Total U.S. Region | Geographic Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 75.20% 80.10%
East North Central    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 2,476 $ 1,883
East North Central | Geographic Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 5.20% 4.80%
East South Central    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 380 $ 447
East South Central | Geographic Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 0.80% 1.10%
Middle Atlantic    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 10,504 $ 9,323
Middle Atlantic | Geographic Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 22.00% 23.90%
Mountain    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 1,860 $ 1,605
Mountain | Geographic Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 3.90% 4.10%
New England    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 1,220 $ 1,088
New England | Geographic Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 2.60% 2.80%
Pacific    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 5,881 $ 6,021
Pacific | Geographic Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 12.30% 15.40%
South Atlantic    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 8,655 $ 6,919
South Atlantic | Geographic Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 18.10% 17.70%
West North Central    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 729 $ 842
West North Central | Geographic Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 1.50% 2.20%
West South Central    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 4,184 $ 3,175
West South Central | Geographic Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 8.80% 8.10%
UNITED KINGDOM    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 5,675 $ 3,085
UNITED KINGDOM | Geographic Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 11.90% 7.90%
Other    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 6,173 $ 4,683
Other | Geographic Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 12.90% 12.00%
International    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 11,848 $ 7,768
International | Geographic Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 24.80% 19.90%
Hotels    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 4,842 $ 2,773
Hotels | Property Type Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 10.10% 7.10%
Retail    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 2,655 $ 2,061
Retail | Property Type Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 5.60% 5.30%
Office building    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 6,327 $ 4,530
Office building | Property Type Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 13.30% 11.60%
Industrial    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 9,744 $ 8,778
Industrial | Property Type Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 20.40% 22.50%
Apartment    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 15,567 $ 15,458
Apartment | Property Type Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 32.60% 39.50%
Other commercial    
Loans and Leases Receivable Disclosure [Line Items]    
Mortgage loans, net of allowances $ 8,602 $ 5,471
Other commercial | Property Type Concentration Risk | Mortgage Loans, Net    
Loans and Leases Receivable Disclosure [Line Items]    
Percentage concentration risk 18.00% 14.00%