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Derivatives - Derivatives Associated with Fixed Income Trading Activities (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Customer interest rate contracts |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional | $ 3,112 | $ 3,587
Assets | 3 | 84
Liabilities | 291 | 41
Offsetting upstream interest rate contracts |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional | 3,112 | 3,587
Assets | 80 | 4
Liabilities | 3 | 8
Option contracts purchased | Long |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional | 10 | 13
Assets | 0 | 0
Liabilities | 0 | 0
Forwards and futures purchased |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional | 2,089 | 4,430
Assets | 4 | 2
Liabilities | 36 | 9
Forwards and futures sold |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional | 2,204 | 5,044
Assets | 40 | 10
Liabilities | $ 3 | $ 2

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