Segment Information Level 4 (Details) - Depreciation by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Depreciation by Segment [Line Items]
Depreciation and amortization	$ 131	$ 137	$ 144
EPCD [Member]
Depreciation by Segment [Line Items]
Depreciation and amortization	87	96	101
FPD [Member]
Depreciation by Segment [Line Items]
Depreciation and amortization	40	35	36
Corporate and Other [Member]
Depreciation by Segment [Line Items]
Depreciation and amortization	$ 4	$ 6	$ 7