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	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income related to discontinued cash flow hedges, before tax	$ 700	$ 121
Other Comprehensive Income (loss), Unrealized Gain (loss) on discontinued cash flow hedges arising during the period, before tax	(291)	739
Other Comprehensive Income (loss), Reclassification Adjustment from AOCI on discontinued cash flow hedges, before tax	(245)	(160)
Accumulated Other Comprehensive Income related to discontinued cash flow hedges, before tax	$ 164	$ 700

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

12 Months Ended

Dec. 31, 2022

Dec. 31, 2021

Accumulated Other Comprehensive Income (Loss) [Line Items]

Accumulated Other Comprehensive Income related to discontinued cash flow hedges, before tax

$ 700

$ 121

Other Comprehensive Income (loss), Unrealized Gain (loss) on discontinued cash flow hedges arising during the period, before tax

(291)

739

Other Comprehensive Income (loss), Reclassification Adjustment from AOCI on discontinued cash flow hedges, before tax

(245)

(160)

Accumulated Other Comprehensive Income related to discontinued cash flow hedges, before tax

$ 164

$ 700