XML 68 R57.htm IDEA: XBRL DOCUMENT v3.24.3
Allowance for Credit Losses and Reserve for Unfunded Lending Commitments - Summary of Loss Sharing Arrangements (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward]        
Change in estimated partner reimbursements that (increased) decreased provision for credit losses $ 2,482 $ 2,284 $ 9,074 $ 7,569
Loss sharing agreements        
Financing Receivable, Allowance for Credit Loss [Roll Forward]        
Estimated reimbursements from partners, beginning of period 1,210 1,908 2,014 1,558
Amounts due from partners for charged off loans (157) (249) (734) (681)
Change in estimated partner reimbursements that (increased) decreased provision for credit losses 102 319 (125) 1,101
Estimated reimbursements from partners, end of period $ 1,155 $ 1,978 $ 1,155 $ 1,978