SEPARATION FROM DOWDUPONT Separation, Distribution and Tax Agreements (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Charges related to separation, distribution and tax matters agreements	$ 127		$ 127
Cash payment related to divestiture	93
Cash receipt related to divestiture	25
Integration and separation costs	348	$ 262	800	$ 486
Integration and separation costs [Member]
Charges related to separation, distribution and tax matters agreements	24
Other Operating Income (Expense) [Member]
Charges related to separation, distribution and tax matters agreements	52
Other Current Assets [Member]
Indemnification Asset	167		167
Accrued and Other Current Liabilities [Member]
Indemnification liability	471		471
Other Noncurrent Obligations [Member]
Indemnification liability	158		158
Deferred cash contribution	400		400
The Dow Chemical Company [Domain]
Integration and separation costs	$ 324	$ 262	$ 776	$ 486