Segment Information Level 4 (Details) - Geographic Net Sales (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018	Dec. 31, 2017
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	$ 1,596	$ 1,778	$ 3,797	$ 3,591
UNITED STATES
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	703	789	1,662	1,513
NETHERLANDS
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	231	298	628	595
CANADA
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	155	155	365	344
CHINA
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	121	121	230	270
GERMANY
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	87	91	201	198
BRAZIL
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	83	91	194	176
Other international [Member]
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	216	233	517	495
North America [Member]
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	858	944	2,027	1,857
Europe [Member]
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	434	521	1,123	1,076
Asia Pacific [Member]
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	209	210	425	455
Latin America [Member]
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	95	103	222	203
EPCD [Member]
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	886	1,003	2,115	2,052
EPCD [Member] | North America [Member]
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	381	425	902	837
EPCD [Member] | Europe [Member]
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	352	431	920	882
EPCD [Member] | Asia Pacific [Member]
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	153	147	290	325
EPCD [Member] | Latin America [Member]
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	0	0	3	8
FPD [Member]
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	710	775	1,682	1,539
FPD [Member] | North America [Member]
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	477	519	1,125	1,020
FPD [Member] | Europe [Member]
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	82	90	203	194
FPD [Member] | Asia Pacific [Member]
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	56	63	135	130
FPD [Member] | Latin America [Member]
Net Sales to Unaffiliated Customers (Geographic Information) [Line Items]
Revenues	$ 95	$ 103	$ 219	$ 195