Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Other Commitments (Details)

v3.19.2
Commitments and Contingencies - Other Commitments (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Liquefied Natural Gas Commodities    
Loss Contingencies [Line Items]    
Other commitments $ 1,000 $ 1,300
Forward-Dated Securities Agreements    
Loss Contingencies [Line Items]    
Other commitment, period 18 months  
Forward-Dated Resale and Securities Borrowing Agreements    
Loss Contingencies [Line Items]    
Other commitments $ 95,600 59,700
Forward-Dated Repurchase and Securities Lending Agreements    
Loss Contingencies [Line Items]    
Other commitments 76,200 21,200
Auto Loans and Leases    
Loss Contingencies [Line Items]    
Other commitment, due in next twelve months $ 3,200 3,000
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 $ 277 329
Commercial Portfolio Segment | Loan Purchase Commitments    
Loss Contingencies [Line Items]    
Other commitments $ 366 $ 463