Commitments and Contingent Liabilities (Guarantees) (Details) $ in Millions		9 Months Ended
		Sep. 30, 2015 USD ($) yr	Dec. 31, 2014 USD ($)
Guarantor Obligations [Line Items]
Guarantee obligations		$ 375	$ 513
Customer and Supplier Guarantee [Member]
Guarantor Obligations [Line Items]
Guarantee obligations		$ 146
Collateral assets and personal guarantees percentage		41.00%
Customer and Supplier Guarantee, Bank Borrowings [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	[1]	$ 145
Guaranteed obligations maximum term | yr	[1]	6
Customer and Supplier Guarantee, Leases on Equipment and Facilities [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	[1]	$ 1
Guaranteed obligations maximum term | yr	[1]	3
Equity Affiliates, Bank Borrowings [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	[2]	$ 178
Guaranteed obligations maximum term | yr	[2]	1
Chemours purchase obligations [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	[3]	$ 51
Guaranteed obligations maximum term | yr	[3]	2
Guarantee Obligations, Long Term [Member]
Guarantor Obligations [Line Items]
Guarantee obligations		$ 28
Guarantee Obligations, Long Term [Member] | Customer and Supplier Guarantee, Bank Borrowings [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	[1]	16
Guarantee Obligations, Long Term [Member] | Customer and Supplier Guarantee, Leases on Equipment and Facilities [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	[1]	1
Guarantee Obligations, Long Term [Member] | Equity Affiliates, Bank Borrowings [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	[2]	0
Guarantee Obligations, Long Term [Member] | Chemours purchase obligations [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	[3]	11
Guaranteed Obligations Short Term [Member]
Guarantor Obligations [Line Items]
Guarantee obligations		347
Guaranteed Obligations Short Term [Member] | Customer and Supplier Guarantee, Bank Borrowings [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	[1]	129
Guaranteed Obligations Short Term [Member] | Customer and Supplier Guarantee, Leases on Equipment and Facilities [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	[1]	0
Guaranteed Obligations Short Term [Member] | Equity Affiliates, Bank Borrowings [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	[2]	178
Guaranteed Obligations Short Term [Member] | Chemours purchase obligations [Member]
Guarantor Obligations [Line Items]
Guarantee obligations	[3]	$ 40

[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.