Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Credit Extension Commitments Narrative (Details)

v3.21.2
Commitments and Contingencies - Credit Extension Commitments Narrative (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]    
Legally binding unfunded commitments syndicated $ 10,300 $ 10,500
Carrying amount credit extension commitments syndicated 1,500 1,900
Notional amount of credit extension commitments under fair value option 4,900 4,000
Unfunded loan commitments    
Other Commitments [Line Items]    
Fair value carrying amount, liabilities $ 95 $ 99