Commitments and Contingencies Level 3 (Tables)

3 Months Ended

Mar. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Environmental Loss Contingencies by Site [Table Text Block]

The following table summarizes all probable environmental remediation, indemnification and restoration liabilities, including related legal expenses, at March 31, 2018 and December 31, 2017:

	Liability				Range of Reasonably Possible Costs at March 31, 2018
Site Description	March 31, 2018		December 31, 2017		Low		High
Geismar, LA	$	13	$	14	$	9	$	22
Superfund and offsite landfills – allocated share:
Less than 1%	2		2		1		4
Equal to or greater than 1%	6		6		5		14
Currently-owned	4		4		3		9
Formerly-owned:
Remediation	24		26		21		39
Monitoring only	—		—		—		1
Total	$	49	$	52	$	39	$	89