Restructuring, Impairment and Plant Closing and Transition Costs - Reserves for Restructuring, Impairment and Plant Closing and Transition Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accrued restructuring costs roll forward
Accrued liabilities at the beginning of the period	$ 32	$ 34	$ 21
Restructuring charges	5
Reversal of reserves no longer required		0	1
Foreign currency effect on liability balance		(2)	1
Accrued liabilities at the end of the period	16	32	34
Current portion of restructuring reserves	9	18
Long-term portion of restructuring reserve	7	14
2016 and prior initiatives
Accrued restructuring costs roll forward
Restructuring charges			8
Restructuring payments			(20)
2017 initiatives
Accrued restructuring costs roll forward
Restructuring charges			37
Restructuring payments			(12)
2017 and prior initiatives
Accrued restructuring costs roll forward
Accrued liabilities at the beginning of the period	18	34
Restructuring charges		18
Restructuring payments		(33)
Accrued liabilities at the end of the period	7	18	34
2018 initiatives
Accrued restructuring costs roll forward
Accrued liabilities at the beginning of the period	14	0
Restructuring charges		19
Restructuring payments		(4)
Accrued liabilities at the end of the period	9	14	0
2018 and prior initiatives
Accrued restructuring costs roll forward
Restructuring charges	20
Restructuring payments	(36)
2019 initiatives
Accrued restructuring costs roll forward
Accrued liabilities at the beginning of the period	0	0
Restructuring charges	5
Restructuring payments	(5)
Accrued liabilities at the end of the period	0	0	0
Titanium Dioxide
Accrued restructuring costs roll forward
Accrued liabilities at the beginning of the period	32	30	12
Restructuring charges		465
Reversal of reserves no longer required		0	1
Foreign currency effect on liability balance		(2)	0
Accrued liabilities at the end of the period	16	32	30
Current portion of restructuring reserves	9
Long-term portion of restructuring reserve	7
Titanium Dioxide | 2016 and prior initiatives
Accrued restructuring costs roll forward
Restructuring charges			4
Restructuring payments			(9)
Titanium Dioxide | 2017 initiatives
Accrued restructuring costs roll forward
Restructuring charges			34
Restructuring payments			(10)
Titanium Dioxide | 2017 and prior initiatives
Accrued restructuring costs roll forward
Restructuring charges		18
Restructuring payments		(28)
Titanium Dioxide | 2018 initiatives
Accrued restructuring costs roll forward
Restructuring charges		15
Restructuring payments		(1)
Titanium Dioxide | 2018 and prior initiatives
Accrued restructuring costs roll forward
Restructuring charges	20
Restructuring payments	(36)
Titanium Dioxide | 2019 initiatives
Accrued restructuring costs roll forward
Restructuring charges	5
Restructuring payments	(5)
Performance Additives
Accrued restructuring costs roll forward
Accrued liabilities at the beginning of the period	0	4	9
Reversal of reserves no longer required		0	0
Foreign currency effect on liability balance		0	1
Accrued liabilities at the end of the period	0	0	4
Current portion of restructuring reserves	0
Long-term portion of restructuring reserve	0
Performance Additives | 2016 and prior initiatives
Accrued restructuring costs roll forward
Restructuring charges			4
Restructuring payments			(11)
Performance Additives | 2017 initiatives
Accrued restructuring costs roll forward
Restructuring charges			3
Restructuring payments			$ (2)
Performance Additives | 2017 and prior initiatives
Accrued restructuring costs roll forward
Restructuring charges		0
Restructuring payments		(5)
Performance Additives | 2018 initiatives
Accrued restructuring costs roll forward
Restructuring charges		4
Restructuring payments		$ (3)
Performance Additives | 2018 and prior initiatives
Accrued restructuring costs roll forward
Restructuring charges	0
Restructuring payments	0
Performance Additives | 2019 initiatives
Accrued restructuring costs roll forward
Restructuring charges	0
Restructuring payments	$ 0