v3.26.3
Deferred Policy Acquisition Costs (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Deferred Policy Acquisition Cost [Line Items]            
Deferred policy acquisition costs and other $ 6,420 $ 5,954 $ 6,420 $ 5,954 $ 6,079  
Deferred Policy Acquisition Costs, Amortization Expense (586) (471) (1,606) (1,321)    
Corporate and Other [Member]            
Deferred Policy Acquisition Cost [Line Items]            
Deferred policy acquisition costs and other 10 15 10 15    
Reportable Segment, Aggregation before Other Operating Segment            
Deferred Policy Acquisition Cost [Line Items]            
Deferred policy acquisition costs and other 6,289 5,940 6,289 5,940    
Deferred Policy Acquisition Cost Cost of Reinsurance Asset 131 14 131 14    
Life Insurance Product Line [Member] | Americas [Member] | Other Segments            
Deferred Policy Acquisition Cost [Line Items]            
Deferred policy acquisition costs and other 3,163 3,046 3,163 3,046 3,068 $ 2,986
Deferred Policy Acquisition Cost, Capitalization     261 228    
Deferred Policy Acquisition Costs, Amortization Expense     (165) (168)    
Deferred Policy Acquisition Costs, Foreign Currency Translation Gain (Loss)     (1) 0    
Life Insurance Product Line [Member] | CANADA | Other Segments            
Deferred Policy Acquisition Cost [Line Items]            
Deferred policy acquisition costs and other 162 164 162 164 166 157
Deferred Policy Acquisition Cost, Capitalization     10 9    
Deferred Policy Acquisition Costs, Amortization Expense     (8) (9)    
Deferred Policy Acquisition Costs, Foreign Currency Translation Gain (Loss)     (6) 7    
Life Insurance Product Line [Member] | EMEA [Member] | Other Segments            
Deferred Policy Acquisition Cost [Line Items]            
Deferred policy acquisition costs and other 467 450 467 450 478 354
Deferred Policy Acquisition Cost, Capitalization     53 98    
Deferred Policy Acquisition Costs, Amortization Expense     (53) (43)    
Deferred Policy Acquisition Costs, Foreign Currency Translation Gain (Loss)     (11) 41    
Life Insurance Product Line [Member] | Asia Pacific [Member] | Other Segments            
Deferred Policy Acquisition Cost [Line Items]            
Deferred policy acquisition costs and other 1,333 1,272 1,333 1,272 1,285 1,178
Deferred Policy Acquisition Cost, Capitalization     98 124    
Deferred Policy Acquisition Costs, Amortization Expense     (55) (51)    
Deferred Policy Acquisition Costs, Foreign Currency Translation Gain (Loss)     5 21    
Insurance, Other | Americas [Member] | Other Segments            
Deferred Policy Acquisition Cost [Line Items]            
Deferred policy acquisition costs and other 507 509 507 509 508 506
Deferred Policy Acquisition Cost, Capitalization     41 44    
Deferred Policy Acquisition Costs, Amortization Expense     (42) (41)    
Deferred Policy Acquisition Costs, Foreign Currency Translation Gain (Loss)     0 0    
Insurance, Other | CANADA | Other Segments            
Deferred Policy Acquisition Cost [Line Items]            
Deferred policy acquisition costs and other 20 21 20 21 21 20
Deferred Policy Acquisition Cost, Capitalization     0 0    
Deferred Policy Acquisition Costs, Amortization Expense     1 0    
Deferred Policy Acquisition Costs, Foreign Currency Translation Gain (Loss)     0 1    
Insurance, Other | EMEA [Member] | Other Segments            
Deferred Policy Acquisition Cost [Line Items]            
Deferred policy acquisition costs and other 0 0 0 0 0 0
Deferred Policy Acquisition Cost, Capitalization     0 0    
Deferred Policy Acquisition Costs, Amortization Expense     0 0    
Deferred Policy Acquisition Costs, Foreign Currency Translation Gain (Loss)     0 0    
Insurance, Other | Asia Pacific [Member] | Other Segments            
Deferred Policy Acquisition Cost [Line Items]            
Deferred policy acquisition costs and other $ 627 $ 463 627 463 $ 525 $ 324
Deferred Policy Acquisition Cost, Capitalization     162 182    
Deferred Policy Acquisition Costs, Amortization Expense     (62) (45)    
Deferred Policy Acquisition Costs, Foreign Currency Translation Gain (Loss)     $ 2 $ 2