Financing Arrangements and Derivative Financial Instruments - Classification of Changes in Fair Values of Foreign Currency Contracts (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income On Derivatives [Line Items]
Cash flow hedge gain (loss) to be reclassified within twelve months			$ 11
Foreign Exchange Contract
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income On Derivatives [Line Items]
Amount of gains (losses) deferred to Accumulated Other Comprehensive Loss ("AOCL")	$ (3)	$ (1)	20	$ 4
Foreign Exchange Contract | Cost of Goods Sold
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income On Derivatives [Line Items]
Reclassification adjustment for amounts recognized in Cost of Goods Sold ("CGS")	$ (4)	$ (3)	$ (8)	$ (6)