Segment Information Level 4 (Details) - EBITDA by Segment - USD ($) $ in Millions		6 Months Ended		12 Months Ended
	Jul. 01, 2019	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Segment EBITDA [Line Items]		$ 167	$ 233	$ 440	$ 365
EPCD [Member]
Segment Reporting Information [Line Items]
Segment EBITDA [Line Items]		75	111	226	174
FPD [Member]
Segment Reporting Information [Line Items]
Segment EBITDA [Line Items]	$ 18	129	152	285	257
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Segment EBITDA [Line Items]		$ (37)	$ (30)	$ (71)	$ (66)