Employee Separation / Asset Related Charges, Net Employee Separation / Asset Related Charges, Net (Chemours Restructuring Program) (Details) - Jun. 30, 2015 - Chemours Restructuring Program [Member] - USD ($) $ in Millions	Total	Total
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 61
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, payments		$ (8)
Restructuring charges		61
Restructuring reserve	$ 53	$ 53