Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Credit Extension Commitments Narrative (Details)

v3.20.2
Commitments and Contingencies - Credit Extension Commitments Narrative (Details) - USD ($)
$ in Millions
Jun. 30, 2020
Apr. 01, 2020
Jan. 01, 2020
Dec. 31, 2019
Jun. 30, 2019
Apr. 01, 2019
Jan. 01, 2019
Commitments and Contingencies Disclosure [Abstract]              
Legally binding unfunded commitments syndicated $ 10,400     $ 10,600      
Carrying amount credit extension commitments syndicated 1,700     829      
Deferred revenue 17     16      
Reserve for unfunded lending commitments 1,702 $ 1,360 $ 1,123   $ 806 $ 802 $ 797
Other liabilities reserve for unfunded lending commitments 1,702     813      
Notional amount of credit extension commitments under fair value option 2,900     4,400      
Unfunded loan commitments              
Other Commitments [Line Items]              
Fair value carrying amount, liabilities $ 113     $ 90