NOTES PAYABLE, LONG-TERM DEBT AND AVAILABLE CREDIT FACILITIES Debt Covenant and Default Provisions (Details) $ in Millions	Apr. 01, 2019 USD ($)
Dow Inc. [Member]
Debt Instrument [Line Items]
Debt Instrument, Debt Default, Default Trigger, Amount Guaranteed for Third Party Indebtedness for Borrowed Money	$ 250

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration