v3.26.3
CREDIT CARD AND OTHER LOANS - Narrative (Details)
$ in Millions
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
loan
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
loan
Financing Receivable, Allowance for Credit Loss [Line Items]          
Re-aged accounts as percentage of total credit card and loan receivables 2.80% 2.90% 3.10% 3.20%  
Number of days a loan is contractually past due before resulting in charge-off     30 days    
Delinquency rate 5.57%   5.57%   5.75%
Actual charge-offs for unpaid interest and fees $ 207 $ 212 $ 648 $ 698  
Net principal loss rate 6.40% 7.39% 6.90% 7.81%  
Percentage of financing receivable outstanding (less than) 0.10%   0.10%   0.10%
Unused credit card lines available to cardholders $ 97,000   $ 97,000   $ 98,000
Credit card loans held for sale | loan     0   0
Credit card loans          
Financing Receivable, Allowance for Credit Loss [Line Items]          
Maximum period of time temporary programs' concessions remain in place     12 months