Fair Value of Financial Assets and Liabilities - Recurring (Details) - Significant Other Observable Inputs (Level 2) [Member] - Fair Value, Recurring [Member] - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Assets:
Total Assets	$ 1	$ 2
Liabilities:
Foreign derivative contracts	3	0
Total Liabilities	3	0
Foreign Exchange Forward [Member]
Assets:
Foreign exchange contracts	$ 1	$ 2