Derivative Financial Instruments (Location And Fair Values Of Derivative Financial Instruments In Our Consolidated Statement Of Financial Position) (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Derivative assets fair value	$ 35	$ 6
Derivative liabilities fair value	11	75
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member]
Derivatives, Fair Value [Line Items]
Derivative assets fair value	8	4
Derivative liabilities fair value	1	5
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets fair value	8	4
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] | Accrued Expenses And Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities fair value	1	5
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract
Derivatives, Fair Value [Line Items]
Derivative assets fair value	27	2
Derivative liabilities fair value	10	70
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets fair value	12	1
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract | Other Noncurrent Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets fair value	15	1
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract | Accrued Expenses And Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities fair value	10	53
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract | Other Noncurrent Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities fair value	$ 0	$ 17