v3.25.2
Commitments, Contingent Liabilities and Guarantees - Additional Information (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Mar. 31, 2025
Dec. 31, 2024
Sep. 30, 2024
Sep. 30, 2023
Jun. 30, 2023
Dec. 31, 2022
Jun. 30, 2022
Dec. 31, 2021
Sep. 30, 2019
Jun. 30, 2018
Sep. 30, 2014
Sep. 30, 2012
Mar. 31, 2012
Jun. 30, 2011
Dec. 31, 2010
Jun. 30, 2010
Dec. 31, 2008
Loss Contingencies                                          
Margin account balance held by the brokerage clearing agent $ 14   $ 14     $ 16                              
Visa                                          
Loss Contingencies                                          
Fair value of liability 145   145     170                              
Visa IPO, shares of Visa's Class B common stock received (in shares)                                         10.1
Visa Class B shares carryover basis                                         $ 0
Escrow deposit         $ 375   $ 1,500 $ 150 $ 500 $ 350 $ 600 $ 250 $ 300 $ 600 $ 450 $ 150 $ 1,565 $ 400 $ 800 $ 500 $ 3,000
Residential mortgage loans                                          
Loss Contingencies                                          
Fair value of liability 11   11                                    
Make-whole payments 0 $ 0 0 $ 0                                  
Repurchased outstanding principal 3 4 10 15                                  
Repurchase demand request 8 $ 12 17 $ 28                                  
Outstanding repurchase demand inventory 4   4     7                              
Secured Debt                                          
Loss Contingencies                                          
Fully and unconditionally guaranteed certain long-term borrowing obligations issued by wholly-owned issuing trust entities 62   62     62                              
Standby Letters of Credit                                          
Loss Contingencies                                          
Reserve for unfunded commitments $ 10   $ 10     $ 12                              
Standby letters of credit as a percentage of total letters of credit 99.00%   99.00%     99.00%                              
Standby Letters of Credit | Secured Debt                                          
Loss Contingencies                                          
Standby letters of credit as a percentage of total letters of credit 74.00%   74.00%     76.00%                              
Other Liabilities                                          
Loss Contingencies                                          
Reserve for unfunded commitments $ 146   $ 146     $ 134                              
Other Liabilities | Residential mortgage loans                                          
Loss Contingencies                                          
Outstanding balances on residential mortgage loans sold with representation and warranty provisions $ 5   $ 5     $ 5