Other Liabilities (Other Liabilities) (Details) - USD ($) $ in Millions		Sep. 30, 2018	Dec. 31, 2017
Other Liabilities [Abstract]
Wages and employee benefits		$ 533	$ 620
Income taxes		252	148
Derivative instruments		50	42
Asbestos and other litigation (Note 3)		148	41
Other current liabilities		785	540
Other accrued liabilities		1,768	1,391
Defined benefit pension plan liabilities		783	713
Derivative instruments		287	333
Asbestos and other litigation (Note 3)		279	338
Investment in Hemlock Semiconductor Group ("HSG")	[1]	113	105
Customer deposits (Note 2)		923	382
Deferred tax liabilities		328	451
Other non-current liabilities		832	695
Other liabilities		$ 3,545	$ 3,017

[1] The negative carrying value resulted from a one-time charge to this entity in 2014 for the permanent abandonment of certain assets.