Financing Arrangements and Derivative Financial Instruments - Classification of Changes in Fair Values of Foreign Currency Contracts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Cash flow hedge gain (loss) to be reclassified within twelve months	$ 3
Foreign Exchange Contract
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amount of gains (losses) deferred to AOCL	10	$ 12
Foreign Exchange Contract | Cost of Sales
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Reclassification adjustment for amounts recognized in Cost of Goods Sold (CGS)	$ (14)	$ 7