Guarantor Condensed Consolidating Financial Information (Condensed Consolidated Statements of Comprehensive Income (Loss)) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Condensed Income Statements, Captions [Line Items]        
Net sales $ 1,398 $ 1,486 $ 4,078 $ 4,357
Cost of goods sold 1,056 1,222 3,267 3,615
Gross profit 342 264 811 742
Selling, general and administrative expense 148 157 454 481
Research and development expense 19 18 60 68
Restructuring and asset related charges, net 60 184 145 245
Goodwill impairment 0 25 0 25
Total expenses 227 384 659 819
Equity in earnings of affiliates 9 7 17 18
Equity in earnings of subsidiaries 0 0 0 0
Interest expense, net (51) (51) (157) (79)
Intercompany interest income (expense), net 0 0 0 0
Other income, net 161 57 250 71
Income (loss) before income taxes 234 (107) 262 (67)
Provision (benefit from) for income taxes 30 (78) 25 (63)
Net income (loss) 204 (29) 237 (4)
Less: Net income attributable to noncontrolling interests 0 0 0 0
Net income (loss) attributable to Chemours 204 (29) 237 (4)
Comprehensive income (loss) attributable to Chemours 210 (62) 250 (243)
Eliminations and Adjustments [Member]        
Condensed Income Statements, Captions [Line Items]        
Net sales (410) (439) (1,187) (1,314)
Cost of goods sold (391) (445) (1,160) (1,327)
Gross profit (19) 6 (27) 13
Selling, general and administrative expense (6) (8) (16) (8)
Research and development expense 0 0 0 0
Restructuring and asset related charges, net 0 0 0 0
Goodwill impairment   0   0
Total expenses (6) (8) (16) (8)
Equity in earnings of affiliates 0 0 0 0
Equity in earnings of subsidiaries (226) 8 (307) (27)
Interest expense, net 0 0 0 0
Intercompany interest income (expense), net 0 0 0 0
Other income, net (8) (4) (15) (4)
Income (loss) before income taxes (247) 18 (333) (10)
Provision (benefit from) for income taxes (15) 0 (10) 0
Net income (loss) (232) 18 (323) (10)
Less: Net income attributable to noncontrolling interests 0 0 0 0
Net income (loss) attributable to Chemours (232) 18 (323) (10)
Comprehensive income (loss) attributable to Chemours (244) 51 (345) 229
Parent Issuer [Member] | Reportable Legal Entities [Member]        
Condensed Income Statements, Captions [Line Items]        
Net sales 0 0 0 0
Cost of goods sold 0 0 0 0
Gross profit 0 0 0 0
Selling, general and administrative expense 5 8 17 8
Research and development expense 0 0 0 0
Restructuring and asset related charges, net 0 0 0 0
Goodwill impairment   0   0
Total expenses 5 8 17 8
Equity in earnings of affiliates 0 0 0 0
Equity in earnings of subsidiaries 226 (8) 307 27
Interest expense, net (50) (51) (155) (79)
Intercompany interest income (expense), net 15 16 44 28
Other income, net 5 8 15 8
Income (loss) before income taxes 191 (43) 194 (24)
Provision (benefit from) for income taxes (13) (14) (43) (20)
Net income (loss) 204 (29) 237 (4)
Less: Net income attributable to noncontrolling interests 0 0 0 0
Net income (loss) attributable to Chemours 204 (29) 237 (4)
Comprehensive income (loss) attributable to Chemours 210 (62) 250 (243)
Guarantor Subsidiaries [Member] | Reportable Legal Entities [Member]        
Condensed Income Statements, Captions [Line Items]        
Net sales 961 1,073 2,898 3,187
Cost of goods sold 791 957 2,506 2,850
Gross profit 170 116 392 337
Selling, general and administrative expense 115 115 350 324
Research and development expense 19 18 58 66
Restructuring and asset related charges, net 60 182 147 221
Goodwill impairment   25   25
Total expenses 194 340 555 636
Equity in earnings of affiliates 1 1 (2) 1
Equity in earnings of subsidiaries 0 0 0 0
Interest expense, net (1) 0 (2) 0
Intercompany interest income (expense), net 1 0 4 0
Other income, net 70 72 178 90
Income (loss) before income taxes 47 (151) 15 (208)
Provision (benefit from) for income taxes 29 (80) 25 (72)
Net income (loss) 18 (71) (10) (136)
Less: Net income attributable to noncontrolling interests 0 0 0 0
Net income (loss) attributable to Chemours 18 (71) (10) (136)
Comprehensive income (loss) attributable to Chemours 18 (71) (10) (136)
Non-Guarantor Subsidiaries [Member] | Reportable Legal Entities [Member]        
Condensed Income Statements, Captions [Line Items]        
Net sales 847 852 2,367 2,484
Cost of goods sold 656 710 1,921 2,092
Gross profit 191 142 446 392
Selling, general and administrative expense 34 42 103 157
Research and development expense 0 0 2 2
Restructuring and asset related charges, net 0 2 (2) 24
Goodwill impairment   0   0
Total expenses 34 44 103 183
Equity in earnings of affiliates 8 6 19 17
Equity in earnings of subsidiaries 0 0 0 0
Interest expense, net 0 0 0 0
Intercompany interest income (expense), net (16) (16) (48) (28)
Other income, net 94 (19) 72 (23)
Income (loss) before income taxes 243 69 386 175
Provision (benefit from) for income taxes 29 16 53 29
Net income (loss) 214 53 333 146
Less: Net income attributable to noncontrolling interests 0 0 0 0
Net income (loss) attributable to Chemours 214 53 333 146
Comprehensive income (loss) attributable to Chemours $ 226 $ 20 $ 355 $ (93)