Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Fair Value - Fair Value of Financial Instruments (Details)

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Note 10 - Fair Value - Fair Value of Financial Instruments (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Reported Value Measurement [Member]    
Non-qualified employee benefit plan investments $ 20 $ 25
Option agreement for remaining Venator shares (2) (7)
Long-term debt (including current portion) (1,550) (1,550)
Reported Value Measurement [Member] | Venator Materials PLC [Member]    
Investment in Venator 17 25
Estimate of Fair Value Measurement [Member]    
Non-qualified employee benefit plan investments 20 25
Option agreement for remaining Venator shares (2) (7)
Long-term debt (including current portion) (1,579) (1,698)
Estimate of Fair Value Measurement [Member] | Venator Materials PLC [Member]    
Investment in Venator $ 17 $ 25