Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Other Commitments (Details)

v3.20.2
Commitments and Contingencies - Other Commitments (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Liquefied Natural Gas Commodities    
Loss Contingencies [Line Items]    
Other commitments $ 539 $ 830
Resale and Forward-Dated Resale and Securities Borrowing Agreements    
Loss Contingencies [Line Items]    
Other commitments 127,700 97,200
Forward-Dated Repurchase and Securities Lending Agreements    
Loss Contingencies [Line Items]    
Other commitments 68,700 24,900
Auto Loans and Leases    
Loss Contingencies [Line Items]    
Other commitment, due in next twelve months $ 3,800 3,300
Other commitment, termination prior notice period 12 months  
Residential and Commercial Portfolio Segments | Residential and Commercial Financing Receivable | Loan Purchase Commitments    
Loss Contingencies [Line Items]    
Other commitments $ 169 86
Commercial portfolio | Loan Purchase Commitments    
Loss Contingencies [Line Items]    
Other commitments $ 365 $ 1,100