v3.26.1
INVESTMENTS - Overview (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Investments          
Available-for-sale (AFS) debt securities $ 286,765   $ 286,765   $ 246,720
Held-to-maturity (HTM) debt securities 167,893   167,893   189,831
Marketable equity securities carried at fair value 113   113   475
Non-marketable equity securities carried at fair value 425   425   446
Non-marketable equity securities measured using the measurement alternative 1,758   1,758   1,707
Non-marketable equity securities carried at cost 5,967   5,967   5,050
Total investments 462,921   462,921   444,229
Accrued interest receivable 2,000   2,000   2,000
Interest and dividends on investments          
Taxable interest 3,929 $ 4,022 7,798 $ 8,043  
Interest exempt from U.S. federal income tax 65 78 130 155  
Dividend income 96 106 181 174  
Total interest and dividend income on investments 4,090 4,206 8,109 8,372  
Gross realized investments losses, excluding losses from other-than-temporary impairment          
Gross realized investment gains 191 152 508 286  
Gross realized investment losses (22) (14) (69) (27)  
Net realized gains on sales of investments 169 $ 138 439 $ 259  
AFS debt securities          
Fair value 286,765   286,765   246,720
Unallocated portfolio layer cumulative basis adjustments         17
Mortgage-backed securities          
Investments          
Available-for-sale (AFS) debt securities 55,756   55,756   37,732
AFS debt securities          
Amortized cost 56,542   56,542   37,943
Allowance for credit losses 0   0   0
Gross unrealized gains 100   100   173
Gross unrealized losses 886   886   384
Net unrealized gains (losses) (786)   (786)   (211)
Fair value 55,756   55,756   37,732
U.S. government-sponsored agency guaranteed          
Investments          
Available-for-sale (AFS) debt securities 54,777   54,777   36,756
AFS debt securities          
Amortized cost 55,564   55,564   36,967
Allowance for credit losses 0   0   0
Gross unrealized gains 99   99   172
Gross unrealized losses 886   886   383
Net unrealized gains (losses) (787)   (787)   (211)
Fair value 54,777   54,777   36,756
U.S. Treasury          
Investments          
Available-for-sale (AFS) debt securities 53,492   53,492   35,465
AFS debt securities          
Amortized cost 53,569   53,569   35,400
Allowance for credit losses 0   0   0
Gross unrealized gains 32   32   93
Gross unrealized losses 109   109   28
Net unrealized gains (losses) (77)   (77)   65
Fair value 53,492   53,492   35,465
U.S. Treasury and federal agency securities          
Investments          
Available-for-sale (AFS) debt securities 53,492   53,492    
AFS debt securities          
Fair value 53,492   53,492    
State and municipal          
Investments          
Available-for-sale (AFS) debt securities 1,416   1,416   1,537
AFS debt securities          
Amortized cost 1,446   1,446   1,589
Allowance for credit losses 0   0   0
Gross unrealized gains 8   8   5
Gross unrealized losses 38   38   57
Net unrealized gains (losses) (30)   (30)   (52)
Fair value 1,416   1,416   1,537
Foreign government          
Investments          
Available-for-sale (AFS) debt securities 167,817   167,817   163,107
AFS debt securities          
Amortized cost 167,866   167,866   162,801
Allowance for credit losses 0   0   0
Gross unrealized gains 718   718   902
Gross unrealized losses 767   767   596
Net unrealized gains (losses) (49)   (49)   306
Fair value 167,817   167,817   163,107
Corporate          
Investments          
Available-for-sale (AFS) debt securities 3,618   3,618   4,691
AFS debt securities          
Amortized cost 3,759   3,759   4,734
Allowance for credit losses 7   7   7
Gross unrealized gains 8   8   20
Gross unrealized losses 142   142   56
Net unrealized gains (losses) (134)   (134)   (36)
Fair value 3,618   3,618   4,691
Asset-based financing          
Investments          
Available-for-sale (AFS) debt securities 1,063   1,063   1,073
AFS debt securities          
Amortized cost 1,063   1,063   1,071
Allowance for credit losses 0   0   0
Gross unrealized gains 4   4   8
Gross unrealized losses 4   4   6
Net unrealized gains (losses) 0   0   2
Fair value 1,063   1,063   1,073
Other debt securities          
Investments          
Available-for-sale (AFS) debt securities 3,603   3,603   3,115
AFS debt securities          
Amortized cost 3,604   3,604   3,113
Allowance for credit losses 0   0   0
Gross unrealized gains 0   0   2
Gross unrealized losses 1   1   0
Net unrealized gains (losses) (1)   (1)   2
Fair value 3,603   3,603   3,115
Debt securities AFS          
Investments          
Available-for-sale (AFS) debt securities 286,765   286,765   246,720
AFS debt securities          
Amortized cost 287,849   287,849   246,651
Allowance for credit losses 7   7   7
Gross unrealized gains 870   870   1,203
Gross unrealized losses 1,947   1,947   1,127
Net unrealized gains (losses) (1,077)   (1,077)   76
Fair value 286,765   286,765   246,720
Portfolio-layer cumulative basis adjustments, amortized cost (89)   (89)   133
Unallocated portfolio layer cumulative basis adjustments 89   89   (133)
Total, amortized cost 287,760   287,760   246,784
Total, net unrealized gains (losses) (988)   (988)   (57)
Other          
Investments          
Available-for-sale (AFS) debt securities 979   979   976
Held-to-maturity (HTM) debt securities 1,349   1,349   1,288
AFS debt securities          
Amortized cost 978   978   976
Allowance for credit losses 0   0   0
Gross unrealized gains 1   1   1
Gross unrealized losses 0   0   1
Net unrealized gains (losses) 1   1   0
Fair value 979   979   976
Fair value | Non-marketable securities measured using measurement alternative          
Investments          
Non-marketable equity securities measured using the measurement alternative $ 45   $ 45   $ 37