Goodwill and Intangibles Level 4 (Details) - Rollforward of Goodwill - USD ($) $ in Millions		6 Months Ended	9 Months Ended	12 Months Ended
	Jul. 01, 2019	Jun. 30, 2019	Sep. 30, 2017	Dec. 31, 2018	Dec. 31, 2019
Goodwill [Line Items]
Recognition of successor goodwill	$ 178
Elimination of Predecessor goodwill	(108)
Goodwill, Impairment Loss			$ (13)	$ (1)
Goodwill and Goodwill included in long term assets held for sale				109
Goodwill, Translation Adjustments		$ (1)		(3)
Goodwill [Roll Forward]
Goodwill, Beginning Balance	108	109		113
Goodwill, Impaired, Accumulated Impairment Loss				(70)	$ 0
Accumulated Foreign Currency Translation				(12)	0
Goodwill, Ending Balance	0	108		109
EPCD [Member]
Goodwill [Line Items]
Recognition of successor goodwill	37
Elimination of Predecessor goodwill	(41)
Goodwill, Written off Related to Sale of Business Unit				0
Goodwill, Translation Adjustments		0		(1)
Goodwill [Roll Forward]
Goodwill, Beginning Balance	41	41		42
Goodwill, Impaired, Accumulated Impairment Loss				70	0
Accumulated Foreign Currency Translation				0	0
Goodwill, Ending Balance	0	41		41
FPD [Member]
Goodwill [Line Items]
Recognition of successor goodwill	141
Elimination of Predecessor goodwill	(67)
Goodwill, Written off Related to Sale of Business Unit				(1)
Goodwill, Translation Adjustments		(1)		(2)
Goodwill [Roll Forward]
Goodwill, Beginning Balance	67	68		71
Goodwill, Impaired, Accumulated Impairment Loss				0	0
Accumulated Foreign Currency Translation				(12)	$ 0
Goodwill, Ending Balance	$ 0	$ 67		$ 68