Objectives And Strategies For Using Derivatives (Narratives) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Derivative Instruments, Gain (Loss)
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax			$ 15
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss)
Gain (loss) on undesignated foreign exchange hedging instruments	$ 14	$ 1	6	$ 35
Foreign currency exchange contracts | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss)
Derivative, Notional Amount	2,600		2,600
Fair Value Hedging | Interest Rate Contract
Derivative Instruments, Gain (Loss)
Long-term Debt, Fair Value	471		471
Derivative, Notional Amount	525		525
Cash Flow Hedging | Foreign currency exchange contracts
Derivative Instruments, Gain (Loss)
Derivative, Notional Amount	2,800		2,800
Net Investment Hedging
Derivative Instruments, Gain (Loss)
Derivative, Notional Amount	1,700		1,700
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Derivative Instruments, Gain (Loss)
Derivative Asset	89		89		$ 99
Derivative Liability	$ 328		$ 328		$ 318