Quarterly report pursuant to Section 13 or 15(d)

DISCONTINUED OPERATIONS AND BUSINESS DISPOSITIONS - NARRATIVE (Details)

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DISCONTINUED OPERATIONS AND BUSINESS DISPOSITIONS - NARRATIVE (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 4 Months Ended
Dec. 03, 2018
Feb. 28, 2019
Mar. 31, 2019
Mar. 31, 2019
Sep. 30, 2018
Jan. 03, 2018
DISCONTINUED OPERATIONS AND BUSINESS DISPOSITIONS            
Aggregate proceeds from sale of investment   $ 16 $ 16      
Unrealized gains on fair value adjustments to Venator investment     76      
Venator Materials PLC            
DISCONTINUED OPERATIONS AND BUSINESS DISPOSITIONS            
Aggregate number shares sold 4,334,389          
Percentage of equity ownership interest sold 4.00%          
Aggregate proceeds from sale of investment     16 $ 19    
Equity Method Investment, Ownership Percentage 49.00%          
Unrealized gains on fair value adjustments to Venator investment     75      
Venator Materials PLC | Forward Swap            
DISCONTINUED OPERATIONS AND BUSINESS DISPOSITIONS            
Unrealized gains on fair value adjustments to Venator investment     $ 1      
Discontinued Operations, Held-for-sale | Venator Pigments and Additives Business            
DISCONTINUED OPERATIONS AND BUSINESS DISPOSITIONS            
Valuation allowance         $ 270  
Over allotment | Venator Materials PLC            
DISCONTINUED OPERATIONS AND BUSINESS DISPOSITIONS            
Underwriters purchased an additional shares           1,948,955
Venator Materials PLC            
DISCONTINUED OPERATIONS AND BUSINESS DISPOSITIONS            
Ownership interest (as a percent)           53.00%