XML 140 R45.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Loans and Related Allowance for Credit Losses (Narrative) (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2023
USD ($)
Jun. 30, 2024
USD ($)
portfolio_segment
Jun. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]        
Number of portfolio segments | portfolio_segment   2    
Financing receivable, after allowance for credit loss   $ 316,793   $ 316,717
Subsequently defaulted FDM/ TDR $ 46   $ 48  
Allowance for credit loss $ 5,400 $ 5,353 $ 5,400 5,500
Short-Term Repayment Plan        
Financing Receivable, Credit Quality Indicator [Line Items]        
Weighted average interest rate reduction   4.99%    
Short-Term Repayment Plan | Minimum        
Financing Receivable, Credit Quality Indicator [Line Items]        
Repayment plan term   6 months    
Minimum payment percentage   1.90%    
Short-Term Repayment Plan | Maximum        
Financing Receivable, Credit Quality Indicator [Line Items]        
Repayment plan term   12 months    
Fully-amortized Repayment Plans        
Financing Receivable, Credit Quality Indicator [Line Items]        
Repayment plan term   60 months    
Weighted average interest rate reduction   4.99%    
Fully-amortized Repayment Plans | Minimum        
Financing Receivable, Credit Quality Indicator [Line Items]        
Minimum payment percentage   1.90%    
Federal Reserve Bank | Asset Pledged as Collateral without Right        
Financing Receivable, Credit Quality Indicator [Line Items]        
Financing receivable, after allowance for credit loss   $ 49,800   51,300
Federal Home Loan Bank | Asset Pledged as Collateral without Right        
Financing Receivable, Credit Quality Indicator [Line Items]        
Financing receivable, after allowance for credit loss   $ 88,800   $ 89,500