Other Income Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other Income and Expenses [Abstract]
Foreign exchange rate gains (losses), net	$ (34)	$ 3	$ (46)
Gains (losses) on minority equity investments, net	8	(111)	(14)
Other	12	(2)	0
Total	$ (14)	$ (110)	$ (60)