Derivative Instruments (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Cumulative Foreign Currency Translation Gain Loss Recorded In Accumulated Other Comprehensive Income Loss For Net Investment In Foreign Operations Hedges	$ 210	$ 137
Counterparty Credit Derivative Exposure	14
Derivative Credit Risk Valuation Adjustment, Derivative Assets	2	$ 36	$ 70
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	10
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	$ 1