v3.26.1
Deferred Policy Acquisition Costs (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Deferred Policy Acquisition Cost [Line Items]        
Deferred policy acquisition costs and other $ 6,191 $ 5,649 $ 6,079  
Total Deferred Policy Acquisition Costs Excluding Cost Of Reinsurance Assets 6,116 5,649    
Deferred Policy Acquisition Cost Cost of Reinsurance Asset 75 0    
Deferred Policy Acquisition Costs, Amortization Expense (512) (417)    
Corporate and Other [Member]        
Deferred Policy Acquisition Cost [Line Items]        
Deferred policy acquisition costs and other 13 17    
Life Insurance Product Line [Member] | Americas [Member]        
Deferred Policy Acquisition Cost [Line Items]        
Deferred policy acquisition costs and other 3,097 3,002 3,068 $ 2,986
Deferred Policy Acquisition Cost, Capitalization 85 72    
Deferred Policy Acquisition Costs, Amortization Expense (56) (56)    
Deferred Policy Acquisition Costs, Foreign Currency Translation Gain (Loss) 0 0    
Life Insurance Product Line [Member] | CANADA        
Deferred Policy Acquisition Cost [Line Items]        
Deferred policy acquisition costs and other 164 158 166 157
Deferred Policy Acquisition Cost, Capitalization 4 4    
Deferred Policy Acquisition Costs, Amortization Expense (3) (3)    
Deferred Policy Acquisition Costs, Foreign Currency Translation Gain (Loss) (3) 0    
Life Insurance Product Line [Member] | EMEA [Member]        
Deferred Policy Acquisition Cost [Line Items]        
Deferred policy acquisition costs and other 466 387 478 354
Deferred Policy Acquisition Cost, Capitalization 14 31    
Deferred Policy Acquisition Costs, Amortization Expense (17) (12)    
Deferred Policy Acquisition Costs, Foreign Currency Translation Gain (Loss) (9) 14    
Life Insurance Product Line [Member] | Asia Pacific [Member]        
Deferred Policy Acquisition Cost [Line Items]        
Deferred policy acquisition costs and other 1,293 1,199 1,285 1,178
Deferred Policy Acquisition Cost, Capitalization 29 34    
Deferred Policy Acquisition Costs, Amortization Expense (17) (16)    
Deferred Policy Acquisition Costs, Foreign Currency Translation Gain (Loss) (4) 3    
Insurance, Other | Americas [Member]        
Deferred Policy Acquisition Cost [Line Items]        
Deferred policy acquisition costs and other 504 517 508 506
Deferred Policy Acquisition Cost, Capitalization 11 21    
Deferred Policy Acquisition Costs, Amortization Expense (15) (10)    
Deferred Policy Acquisition Costs, Foreign Currency Translation Gain (Loss) 0 0    
Insurance, Other | CANADA        
Deferred Policy Acquisition Cost [Line Items]        
Deferred policy acquisition costs and other 21 20 21 20
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 | EMEA [Member]        
Deferred Policy Acquisition Cost [Line Items]        
Deferred policy acquisition costs and other 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]        
Deferred Policy Acquisition Cost [Line Items]        
Deferred policy acquisition costs and other 558 349 $ 525 $ 324
Deferred Policy Acquisition Cost, Capitalization 52 38    
Deferred Policy Acquisition Costs, Amortization Expense (20) (13)    
Deferred Policy Acquisition Costs, Foreign Currency Translation Gain (Loss) $ 1 $ 0