Derivative Financial Instruments (Additional Information Related To Outstanding Contracts Not Designated As Hedging Instruments) (Details) - Not Designated as Hedging Instrument [Member] - Foreign Exchange Forward Contracts [Member] - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Derivative [Line Items]
Derivative, notional amount	$ 489	$ 1,317
Market value	$ (1)	$ (8)