Segment Information Level 4 (Details) - Capital Expenditures by Segment (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018	Dec. 31, 2017
Capital Expenditures by Segment [Line Items]
Capital Expenditures	$ 58	$ 43	$ 90	$ 118
EPCD [Member]
Capital Expenditures by Segment [Line Items]
Capital Expenditures	34	30	56	73
FPD [Member]
Capital Expenditures by Segment [Line Items]
Capital Expenditures	20	12	31	40
Corporate and Other [Member]
Capital Expenditures by Segment [Line Items]
Capital Expenditures	$ 4	$ 1	$ 3	$ 5