Annual report pursuant to Section 13 and 15(d)

DISCONTINUED OPERATIONS - BALANCE SHEET (Details)

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DISCONTINUED OPERATIONS - BALANCE SHEET (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 4 Months Ended 12 Months Ended
Dec. 31, 2018
Dec. 03, 2018
Dec. 31, 2018
Dec. 31, 2018
Aug. 31, 2017
Mar. 31, 2019
Dec. 31, 2018
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jan. 03, 2018
Dec. 31, 2017
DISCONTINUED OPERATIONS                        
Aggregate proceeds from sale of investment                 $ 3      
Unrealized losses on fair value adjustments to Venator investment                 $ 62      
Venator Materials PLC                        
DISCONTINUED OPERATIONS                        
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 losses on fair value adjustments to Venator investment $ 57                      
Venator Materials PLC | Forward Swap                        
DISCONTINUED OPERATIONS                        
Unrealized losses on fair value adjustments to Venator investment $ 5     $ 5                
Discontinued Operations, Held-for-sale | Venator Pigments and Additives Business                        
DISCONTINUED OPERATIONS                        
Valuation allowance                   $ 270    
Carrying amounts of major classes of assets held for sale:                        
Accounts receivable                       $ 380
Inventories                       454
Other current assets                       318
Property, plant and equipment, net                       1,424
Deferred income taxes                       158
Other noncurrent assets                       146
Total assets held for sale                       2,880
Carrying amounts of major classes of liabilities held for sale:                        
Accounts payable                       385
Accrued liabilities                       236
Other current liabilities                       25
Long term debt                       746
Other noncurrent liabilities                       300
Total liabilities held for sale                       $ 1,692
Discontinued Operations, Disposed of by Means Other than Sale | Venator Pigments and Additives Business                        
DISCONTINUED OPERATIONS                        
Pre-tax loss on discontinued operations     $ 427       $ 427          
Expected period of service provided after separation         24 months              
Over allotment | Venator Materials PLC                        
DISCONTINUED OPERATIONS                        
Underwriters purchased an additional shares                     1,948,955  
Venator Materials PLC                        
DISCONTINUED OPERATIONS                        
Ownership interest (as a percent)                     53.00%