Employee Separation / Asset Related Charges, Net (Schedule of 2014 Restructuring Program Charges) (Details) - USD ($) $ in Millions		3 Months Ended				12 Months Ended
		Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Jul. 01, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring charges				$ 297	$ 244
Restructuring reserve, accrual adjustment		$ (23)	$ 2					$ (14)
2014 Restructuring Program [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	[1]						$ 541
Restructuring reserve, payments	[1]					$ (154)	(56)
Restructuring reserve, net translation adjustment	[1]					(3)	(6)
Restructuring reserve, asset write-offs and adjustments	[1]						(223)
Restructuring reserve, accrual adjustment	[1]					(21)
Restructuring reserve	[1]	78		256		78	256
Restructuring charge, discontinued operations							21
Restructuring reserve, payments related to discontinued operations									$ 13
Restructuring reserve transferred to Chemours									$ 2
2014 Restructuring Program [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges							301
Restructuring reserve, payments						(152)	(43)
Restructuring reserve, net translation adjustment						(3)	(6)
Restructuring reserve, asset write-offs and adjustments							0
Restructuring reserve, accrual adjustment						(21)
Restructuring reserve		76		252		76	252
2014 Restructuring Program [Member] | Asset Related [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges							223
Restructuring reserve, payments						0	0
Restructuring reserve, net translation adjustment						0	0
Restructuring reserve, asset write-offs and adjustments							(223)
Restructuring reserve, accrual adjustment						0
Restructuring reserve		0		0		0	0
2014 Restructuring Program [Member] | Other Non-Personnel Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	[2]						17
Restructuring reserve, payments	[2]					(2)	(13)
Restructuring reserve, net translation adjustment	[2]					0	0
Restructuring reserve, asset write-offs and adjustments	[2]						0
Restructuring reserve, accrual adjustment						0
Restructuring reserve	[2]	$ 2		$ 4		$ 2	$ 4

[1] Table above excludes activity related to Performance Chemicals, presented as a discontinued operation in the company's Consolidated Income Statement. During 2014, the company recorded a charge of $21 related to Performance Chemicals, of which the company made payments of $13 prior to separation and transferred a liability of $2 to Chemours at separation on July 1, 2015.

[2] Other non-personnel charges consist of contractual obligation costs.