v3.26.1
Allowance for Credit Losses - Summary (Details) - USD ($)
$ in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 30, 2025
Allowance for Credit Losses        
Beginning balance $ 25,765 $ 24,345 $ 24,345  
Gross charge-offs 5,906 5,760    
Gross recoveries collected (1,224) (1,018)    
Net charge-offs/(recoveries) 4,682 4,742    
Provision for loan losses 5,071 5,344    
Other (2) 6    
Ending balance 26,152 24,953 25,765  
Allowance for lending-related commitments        
Beginning balance 5,071 2,101 2,101  
Provision for lending-related commitments 86 831    
Other (6) 0    
Ending balance 5,151 2,932 5,071  
Total allowance for investment securities 63 108 106  
Total allowance for credit losses 31,366 27,993    
Allowance for loan losses by impairment methodology        
Asset-specific 169 98    
Portfolio-based 25,983 24,855    
Total allowance for loan losses 26,152 24,953 25,765  
Loans by impairment methodology        
Asset-specific 7,568 7,414    
Portfolio-based 1,456,240 1,338,059    
Total retained loans 1,463,808 1,345,473 1,408,905  
Allowance for lending-related commitments by impairment methodology        
Asset-specific 160 167    
Portfolio-based 4,991 2,765    
Total allowance for lending-related commitments 5,151 2,932 5,071  
Off-Balance Sheet Lending-Related Financial Instruments, Guarantees and Other Commitments [Abstract]        
Asset-specific 799 922    
Portfolio-based 623,870 561,267    
Total lending-related commitments 624,669 562,189    
Apple Credit Card Portfolio        
Off-Balance Sheet Lending-Related Financial Instruments, Guarantees and Other Commitments [Abstract]        
Expected period to close       24 months
CIB        
Off-Balance Sheet Lending-Related Financial Instruments, Guarantees and Other Commitments [Abstract]        
Allowance for credit losses associated with accounts receivable 165 288    
Collateral-dependent loans        
Allowance for Credit Losses        
Net charge-offs/(recoveries) 119 103    
Collateral-dependent loans        
Loans measured at fair value of collateral less cost to sell 5,189 4,517    
Consumer, excluding credit card        
Allowance for Credit Losses        
Beginning balance 1,920 1,807 1,807  
Gross charge-offs 510 540    
Gross recoveries collected (223) (248)    
Net charge-offs/(recoveries) 287 292    
Provision for loan losses 163 334    
Other 0 0    
Ending balance 1,796 1,849 1,920  
Allowance for lending-related commitments        
Beginning balance 83 82 82  
Provision for lending-related commitments (8) 1    
Other 0 0    
Ending balance 75 83 83  
Total allowance for credit losses 1,871 1,932    
Allowance for loan losses by impairment methodology        
Asset-specific (621) (683)    
Portfolio-based 2,417 2,532    
Total allowance for loan losses 1,796 1,849 1,920  
Loans by impairment methodology        
Asset-specific 3,377 2,895    
Portfolio-based 363,751 368,960    
Total retained loans 367,128 371,855 368,741  
Allowance for lending-related commitments by impairment methodology        
Asset-specific 0 0    
Portfolio-based 75 83    
Total allowance for lending-related commitments 75 83 83  
Off-Balance Sheet Lending-Related Financial Instruments, Guarantees and Other Commitments [Abstract]        
Asset-specific 0 0    
Portfolio-based 24,397 26,390    
Total lending-related commitments 24,397 26,390    
Credit card lending-related commitments not permitted to have an allowance for credit losses 24,700 20,700    
Consumer, excluding credit card | Collateral-dependent loans        
Allowance for Credit Losses        
Net charge-offs/(recoveries) 2 (5)    
Collateral-dependent loans        
Loans measured at fair value of collateral less cost to sell 3,377 2,754    
Credit card        
Allowance for Credit Losses        
Beginning balance 15,557 14,600 14,600  
Gross charge-offs 4,978 4,616    
Gross recoveries collected (912) (698)    
Net charge-offs/(recoveries) 4,066 3,918    
Provision for loan losses 4,070 4,319    
Other 0 0    
Ending balance 15,561 15,001 15,557  
Allowance for lending-related commitments        
Beginning balance 2,200 0 0  
Provision for lending-related commitments 0 0    
Other 0 0    
Ending balance 2,200 0 2,200  
Total allowance for credit losses 17,761 15,001    
Allowance for loan losses by impairment methodology        
Asset-specific 0 0    
Portfolio-based 15,561 15,001    
Total allowance for loan losses 15,561 15,001 15,557  
Loans by impairment methodology        
Asset-specific 0 0    
Portfolio-based 249,876 232,943    
Total retained loans 249,876 232,943    
Allowance for lending-related commitments by impairment methodology        
Asset-specific 0 0    
Portfolio-based 2,200 0    
Total allowance for lending-related commitments 2,200 0 2,200  
Off-Balance Sheet Lending-Related Financial Instruments, Guarantees and Other Commitments [Abstract]        
Asset-specific 0 0    
Portfolio-based 24,874 321    
Total lending-related commitments 24,874 321    
Credit card lending-related commitments not permitted to have an allowance for credit losses 1,200,000 1,000,000    
Credit card | Collateral-dependent loans        
Allowance for Credit Losses        
Net charge-offs/(recoveries) 0 0    
Collateral-dependent loans        
Loans measured at fair value of collateral less cost to sell 0 0    
Wholesale        
Allowance for Credit Losses        
Beginning balance 8,288 7,938 7,938  
Gross charge-offs 418 604    
Gross recoveries collected (89) (72)    
Net charge-offs/(recoveries) 329 532    
Provision for loan losses 838 691    
Other (2) 6    
Ending balance 8,795 8,103 8,288  
Allowance for lending-related commitments        
Beginning balance 2,788 2,019 2,019  
Provision for lending-related commitments 94 830    
Other (6) 0    
Ending balance 2,876 2,849 2,788  
Total allowance for credit losses 11,671 10,952    
Allowance for loan losses by impairment methodology        
Asset-specific 790 781    
Portfolio-based 8,005 7,322    
Total allowance for loan losses 8,795 8,103 8,288  
Loans by impairment methodology        
Asset-specific 4,191 4,519    
Portfolio-based 842,613 736,156    
Total retained loans 846,804 740,675 792,367  
Allowance for lending-related commitments by impairment methodology        
Asset-specific 160 167    
Portfolio-based 2,716 2,682    
Total allowance for lending-related commitments 2,876 2,849 2,788  
Off-Balance Sheet Lending-Related Financial Instruments, Guarantees and Other Commitments [Abstract]        
Asset-specific 799 922    
Portfolio-based 574,599 534,556    
Total lending-related commitments 575,398 535,478    
Credit card lending-related commitments not permitted to have an allowance for credit losses 47,400 24,200    
Wholesale | Collateral-dependent loans        
Allowance for Credit Losses        
Net charge-offs/(recoveries) 117 108    
Collateral-dependent loans        
Loans measured at fair value of collateral less cost to sell 1,812 $ 1,763    
Credit card        
Allowance for Credit Losses        
Gross charge-offs 4,978   9,164  
Loans by impairment methodology        
Total retained loans 249,876   $ 247,797  
Credit card | Apple Credit Card Portfolio | Credit Concentration Risk        
Off-Balance Sheet Lending-Related Financial Instruments, Guarantees and Other Commitments [Abstract]        
Credit exposure for estimated drawn loans $ 24,000