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Derivative and Hedging Activities - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Derivative [Line Items] |  |  |
Interest income | $ 332 | $ 318 |
Gain (losses) on interest rate derivatives designated as cash flow hedge | 6 |  |
Interest rate cash flow hedge gain (loss) to be reclassified during next 12 months, net | 15 |  |
Interest Rate Swap | Cash Flow Hedging |  |  |
Derivative [Line Items] |  |  |
Derivative, notional amount | 2,050 |  | $ 2,250
Designated as Hedging Instrument |  |  |
Derivative [Line Items] |  |  |
Derivative, notional amount | 0 |  |
Interest income | 6 | $ 12 |
Designated as Hedging Instrument | Interest Rate Swap |  |  |
Derivative [Line Items] |  |  |
Derivative, notional amount | $ 2,000 |  |
Derivative, expired period | 2022-02 |  |
LCH | Designated as Hedging Instrument | Interest Rate Swap |  |  |
Derivative [Line Items] |  |  |
Derivative, notional amount | $ 2,100 |  |

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