Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Other Commitments (Details)

v3.23.3
Commitments and Contingencies - Other Commitments (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Loss Contingencies [Line Items]    
Payment for half of subscribed shares $ 5,400 $ 5,400
Resale And Forward-Dated Resale And Securities Borrowing Agreements And Forward-Dated Repurchase And Securities Lending Agreements    
Loss Contingencies [Line Items]    
Other commitment, expiration term (in months) 12 months  
Resale and Forward-Dated Resale and Securities Borrowing Agreements    
Loss Contingencies [Line Items]    
Other commitments $ 128,300 92,000
Forward-Dated Repurchase and Securities Lending Agreements    
Loss Contingencies [Line Items]    
Other commitments 73,200 57,800
Auto Loans and Leases    
Loss Contingencies [Line Items]    
Other commitment, due in next twelve months $ 4,000 3,700
Other commitment, termination prior notice period 12 months  
Equity Investment Commitments    
Loss Contingencies [Line Items]    
Other commitments $ 900 571
Residential and Commercial Portfolio Segments | Loan Purchase Commitments | Residential and Commercial Financing Receivable    
Loss Contingencies [Line Items]    
Other commitments 788 636
Commercial | Loan Purchase Commitments    
Loss Contingencies [Line Items]    
Other commitments $ 452 $ 294