Commitments and Contingent Liabilities (Guarantees) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($) yr month
Guarantor Obligations [Line Items]
Guarantee obligations	$ 354
Guaranteed Obligations, Short-Term [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	325
Guarantee Obligations, Long-Term [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	29
Customer and Supplier Guarantee, Bank Borrowings [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	$ 167	[1]
Guaranteed obligations maximum term, years | yr	5	[1]
Customer and Supplier Guarantee, Bank Borrowings [Member] | Guaranteed Obligations, Short-Term [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	$ 149	[1]
Customer and Supplier Guarantee, Bank Borrowings [Member] | Guarantee Obligations, Long-Term [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	18	[1]
Equity Affiliates Guarantee, Bank Borrowings [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	$ 161	[2]
Guaranteed obligations maximum term, years | yr	1	[1]
Equity Affiliates Guarantee, Bank Borrowings [Member] | Guaranteed Obligations, Short-Term [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	$ 161	[2]
Equity Affiliates Guarantee, Bank Borrowings [Member] | Guarantee Obligations, Long-Term [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	0	[2]
Chemours purchase obligations [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	$ 26	[3]
Guaranteed Obligations Maximum Term, Months | month	15	[3]
Chemours purchase obligations [Member] | Guaranteed Obligations, Short-Term [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	$ 15	[3]
Chemours purchase obligations [Member] | Guarantee Obligations, Long-Term [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	11	[3]
Customer and Supplier Guarantee [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	$ 167
Collateral assets and personal guarantees percentage	23.00%

[1] Existing guarantees for customers and suppliers, as part of contractual agreements.

[2] Existing guarantees for equity affiliates' liquidity needs in normal operations.

[3] Guarantee for Chemours' raw material purchase obligations under agreement with third party supplier.