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Derivatives - Derivatives Associated With Cash Flow Hedges (Details) - Cash Flow Hedge - Hedging Instruments And Hedged Items - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
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Interest Rate Swap |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional | $ 3,850 | $ 1,100
Assets | 54 | 13
Liabilities | 0 | 0
Interest Rate Contract |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Variability in cash flows related to debt instruments (primarily loans) | $ 3,850 | $ 1,100

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