Quarterly report pursuant to Section 13 or 15(d)

DISCONTINUED OPERATIONS AND BUSINESS DISPOSITIONS - CHEMICAL INTERMEDIATES (Details)

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DISCONTINUED OPERATIONS AND BUSINESS DISPOSITIONS - CHEMICAL INTERMEDIATES (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Carrying amounts of major classes of assets held for sale:      
Total current assets     $ 1,208
Carrying amounts of major classes of liabilities held for sale:      
Total current liabilities     512
Chemical Intermediates Businesses | Discontinued Operations, Held-for-sale      
Carrying amounts of major classes of assets held for sale:      
Accounts receivable     145
Inventories     105
Property, plant and equipment, net     720
Operating lease right-of-use assets     69
Deferred income taxes     4
Other noncurrent assets     165
Total assets held for sale     1,208
Carrying amounts of major classes of liabilities held for sale:      
Accounts payable     152
Accrued liabilities     26
Current operating lease liabilities     20
Deferred income taxes     135
Noncurrent operating lease liabilities     51
Other noncurrent liabilities     128
Total liabilities held for sale     $ 512
Chemical Intermediates Businesses | Discontinued Operations, Disposed of by Sale      
BUSINESS DISPOSITIONS      
Net after-tax gain on disposal $ 758    
Proceeds from sale of businesses $ 1,915    
Expected payment of income taxes on proceeds from sale   $ 375