Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Credit Extension Commitments Narrative (Details)

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Commitments and Contingencies - Credit Extension Commitments Narrative (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]    
Legally binding unfunded commitments syndicated $ 11,000 $ 10,700
Credit extension commitments, carrying value 1,400 1,500
Notional amount of credit extension commitments under fair value option 4,000 4,800
Unfunded loan commitments    
Other Commitments [Line Items]    
Fair value carrying amount, liabilities $ 136 $ 97