Research and Development Expense	12 Months Ended
Research and Development Expense	Dec. 31, 2015
Research and Development [Abstract]
Research and Development Expense	Note 5. Research and Development Expense Research and development expense directly incurred by Chemours was $87, $94 and $114 for the years ended December 31, 2015, 2014 and 2013, respectively. Research and development expense also includes $10, $49 and $50 for the years ended December 31, 2015, 2014 and 2013, respectively, which represents an assignment of costs associated primarily with DuPont’s Corporate Central Research and Development long-term research activities. This assignment was based on the cost of research projects for which Chemours was determined to be the sponsor or co-sponsor. All research services provided by DuPont’s Central Research and Development to Chemours were specifically requested by Chemours, covered by service-level agreements and billed based on usage. DuPont research and development services were no longer used after the separation on July 1, 2015.

The entire disclosure for research, development, and computer software activities, including contracts and arrangements to be performed for others and with federal government. Includes costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility and in-process research and development acquired in a business combination consummated during the period.