Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Other Commitments (Details)

v3.24.0.1
Commitments and Contingencies - Other Commitments (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 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 $ 117,000 92,000
Forward-Dated Repurchase and Securities Lending Agreements    
Loss Contingencies [Line Items]    
Other commitments 63,000 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 $ 477 571
Residential and Commercial Portfolio Segments | Loan Purchase Commitments | Residential and Commercial Financing Receivable    
Loss Contingencies [Line Items]    
Other commitments 822 636
Commercial | Loan Purchase Commitments    
Loss Contingencies [Line Items]    
Other commitments $ 420 $ 294