Fair Value of Financial Assets and Liabilities - Recurring (Details) - Significant Other Observable Inputs (Level 2) [Member] - Fair Value, Recurring [Member] - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Assets:
Total Assets	$ 2	$ 2
Liabilities:
Total Liabilities	0	0
Foreign Exchange Forward [Member]
Assets:
Foreign exchange contracts	2	2
Liabilities:
Foreign derivative contracts	$ 0	$ 0