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Derivative Instruments and Hedging Activities(Schedule of Terminated Cash Flows) (Details) - Accumulated Net Gain (Loss) from Derivative Instruments Designated as Cash Flow Hedges [Member] - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Accumulated Other Comprehensive Income related to discontinued cash flow hedges, before tax | $ 164 | $ 700
Other Comprehensive Income (loss), Unrealized Gain (loss) on discontinued cash flow hedges arising during the period, before tax | (19) | 0
Other Comprehensive Income (loss), Reclassification Adjustment from AOCI on discontinued cash flow hedges, before tax | (20) | (76)
Accumulated Other Comprehensive Income related to discontinued cash flow hedges, before tax | $ 125 | $ 624

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