Goodwill and Intangibles Level 4 (Details) - Rollforward of Goodwill - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Goodwill [Line Items]
Goodwill, Acquired During Period		$ 10
Goodwill, Translation Adjustments	$ (1)	(7)
Goodwill [Roll Forward]
Goodwill, Beginning Balance	122	119
Goodwill, Ending Balance	121	122
Accumulated Foreign Currency Translation	(14)	(13)
Goodwill, Impaired, Accumulated Impairment Loss	(57)	(57)
EPCD [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period		10
Goodwill, Translation Adjustments	0	(2)
Goodwill [Roll Forward]
Goodwill, Beginning Balance	54	46
Goodwill, Ending Balance	54	54
Accumulated Foreign Currency Translation	0	0
Goodwill, Impaired, Accumulated Impairment Loss	(57)	(57)
FPD [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period		0
Goodwill, Translation Adjustments	(1)	(5)
Goodwill [Roll Forward]
Goodwill, Beginning Balance	68	73
Goodwill, Ending Balance	67	68
Accumulated Foreign Currency Translation	(14)	(13)
Goodwill, Impaired, Accumulated Impairment Loss	$ 0	$ 0