Stockholders' Equity Noncontrolling interests (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	[1]
Noncontrolling Interest [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	46.50%
Payments for acquisition of subsidiary's interest from the non-controlling Interests	$ 60	$ 0

[1] The cash flows for the nine months ended September 30, 2019 includes cash flows of EID's ECP and Specialty Products Entities.