Asset Retirement Obligations, Estimated Remaining Useful Life

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

+ References

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
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- Definition

Amount of lessee's right to use underlying asset under operating lease.

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-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
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- Definition

The percentage of FIFO (first in first out) inventory to total inventory as of the balance sheet date if other than 100 percent.

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- Definition

The percentage of LIFO (last in first out) inventory to total inventory as of the balance sheet date if other than 100 percent.

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- Definition

The percentage of weighted average cost inventory present at the reporting date when inventory is valued using different valuation methods.

+ References

No definition available.

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended			12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jan. 01, 2019	Apr. 01, 2018	Jan. 01, 2018
Percentage of LIFO Inventory	32.00%			32.00%	34.00%
Percentage of FIFO Inventory	58.00%			58.00%	57.00%
Percentage of Weighted Average Cost Inventory	10.00%			10.00%	9.00%
Operating Lease, Right-of-Use Asset	$ 2,072			$ 2,072	$ 0
Operating Lease, Liability	$ 2,160			$ 2,160
Dividends declared (in dollars per share)	$ 0.70	$ 0.70	$ 0.70	$ 2.10	$ 0	$ 1.38
Minimum
Useful life				3 years
Maximum
Useful life				20 years
Asset retirement obligations, estimated remaining useful life				10 years
The Dow Chemical Company
Operating Lease, Right-of-Use Asset	$ 2,072			$ 2,072	$ 0
Dividends declared (in dollars per share)						$ 1.38
Dow Inc. [Member]
Dividends declared (in dollars per share)				$ 2.10
Accounting Standards Update 2016-02 [Member]
Operating Lease, Right-of-Use Asset							$ 2,300
Operating Lease, Liability							2,300
Cumulative Effect of New Accounting Principle in Period of Adoption	$ 32			$ 32			2,300
Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption							$ (183)	$ 1,057	$ (68)
AOCI Attributable to Parent [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption									$ 20