v3.26.1
INVESTMENTS - Fair Value of AFS Debt Securities by Contractual Maturity Date (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Fair value    
Total fair value $ 286,765 $ 246,720
Unallocated portfolio layer cumulative basis adjustments   17
Mortgage-backed securities    
Amortized cost    
Amortized cost, due within 1 year 110  
Amortized cost, after 1 but within 5 years 1,209  
Amortized cost, after 5 but within 10 years 775  
Amortized cost, after 10 years 54,448  
Amortized cost 56,542  
Fair value    
Fair value, due within 1 year 110  
Fair value, after 1 but within 5 years 1,208  
Fair value, after 5 but within 10 years 752  
Fair value, after 10 years 53,686  
Total fair value 55,756 37,732
U.S. Treasury and federal agency securities    
Amortized cost    
Amortized cost, due within 1 year 9,491  
Amortized cost, after 1 but within 5 years 24,589  
Amortized cost, after 5 but within 10 years 19,489  
Amortized cost, after 10 years 0  
Amortized cost 53,569  
Fair value    
Fair value, due within 1 year 9,489  
Fair value, after 1 but within 5 years 24,515  
Fair value, after 5 but within 10 years 19,488  
Fair value, after 10 years 0  
Total fair value 53,492  
State and municipal    
Amortized cost    
Amortized cost, due within 1 year 78  
Amortized cost, after 1 but within 5 years 67  
Amortized cost, after 5 but within 10 years 315  
Amortized cost, after 10 years 986  
Amortized cost 1,446  
Fair value    
Fair value, due within 1 year 78  
Fair value, after 1 but within 5 years 64  
Fair value, after 5 but within 10 years 311  
Fair value, after 10 years 963  
Total fair value 1,416 1,537
Foreign government    
Amortized cost    
Amortized cost, due within 1 year 80,602  
Amortized cost, after 1 but within 5 years 81,435  
Amortized cost, after 5 but within 10 years 5,173  
Amortized cost, after 10 years 656  
Amortized cost 167,866  
Fair value    
Fair value, due within 1 year 80,762  
Fair value, after 1 but within 5 years 81,333  
Fair value, after 5 but within 10 years 5,137  
Fair value, after 10 years 585  
Total fair value 167,817 163,107
All other    
Amortized cost    
Amortized cost, due within 1 year 4,763  
Amortized cost, after 1 but within 5 years 2,793  
Amortized cost, after 5 but within 10 years 825  
Amortized cost, after 10 years 45  
Amortized cost 8,426  
Fair value    
Fair value, due within 1 year 4,737  
Fair value, after 1 but within 5 years 2,720  
Fair value, after 5 but within 10 years 812  
Fair value, after 10 years 15  
Total fair value 8,284  
Debt securities AFS    
Amortized cost    
Amortized cost 287,849  
Fair value    
Total fair value 286,765 246,720
Unallocated portfolio layer cumulative basis adjustments $ 89 $ (133)