FINANCIAL INSTRUMENTS (Expected Reclassification) (Details) $ in Millions	Dec. 31, 2023 USD ($)
Interest Rate Contract [Member]
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	$ (7)
Commodities
Price Risk Cash Flow Hedge Unrealized Gain (Loss) to be Reclassified During Next 12 Months	(9)
Foreign Exchange Contract [Member]
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months	2
Excluded Components [Member]
Hedge Gain (Loss) to be Reclassified During Next 12 Months, Excluded Components, Net	(3)
Excluded Components [Member] \| Net foreign investment hedges:
Hedge Gain (Loss) to be Reclassified During Next 12 Months, Excluded Components, Net	$ 2

The estimated net amount of unrealized gains or losses on excluded components of hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

No definition available.

+ Details

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Namespace Prefix:	dow_
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Balance Type:	credit
Period Type:	instant

- Definition

The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480870/815-30-50-1

+ Details

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- Definition

The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

+ References

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- Definition

The estimated net amount of unrealized gains or losses on price risk cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

+ References

+ Details

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