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- Definition

Stock Dividend Ownership Interest Percentage, Related Company

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- Definition

Amount of other increase (decrease) in additional paid in capital (APIC).

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- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in stock.

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- Definition

Amount of paid and unpaid paid-in-kind dividends (PIK) declared for classes of stock, for example, but not limited to, common and preferred.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

For an unclassified balance sheet, amounts due from parties associated with the reporting entity as evidenced by a written promise to pay.

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- Definition

Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due after 1 year (or 1 business cycle).

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- Definition

Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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- Definition

Amount of transactions with related party during the financial reporting period.

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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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- Definition

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.

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RELATED PARTY TRANSACTIONS - USD ($) $ in Millions	3 Months Ended	12 Months Ended
RELATED PARTY TRANSACTIONS - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Feb. 15, 2019
Related Party Transaction [Line Items]
Payments of Dividends		$ 362	$ 570	$ 553
Additional Paid-in Capital
Related Party Transaction [Line Items]
Adjustments to Additional Paid in Capital, Other		$ 0	3	0
The Dow Chemical Company [Member]
Related Party Transaction [Line Items]
Service Fee with Parent		10.00%
Notes Receivable, Related Parties		$ 1,700	1,500
Line of Credit Facility, Maximum Borrowing Capacity		1,000
Notes Receivable, Related Parties, Noncurrent		937	937
Payments of Dividends		362	570	553
Dividends, Paid-in-kind	$ 71
The Dow Chemical Company [Member] \| Net Commission Expense [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party		22	23	22
The Dow Chemical Company [Member] \| Cost of Sales [Member] \| Purchases from Dow [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party		1,021	1,100	1,600
The Dow Chemical Company [Member] \| Cost of Sales [Member] \| Activity Based Costs [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party		87	87	85
The Dow Chemical Company [Member] \| Estimated Federal Tax Liability, Related Party [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction		100	184	220
The Dow Chemical Company [Member] \| Sundry Income (Expense), Net [Member] \| Net Commission Expense [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party		22	23	22
The Dow Chemical Company [Member] \| Sundry Income (Expense), Net [Member] \| General and Administrative Expense [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party		$ 31	$ 24	$ 30
Dow International Holdings Company [Member]
Related Party Transaction [Line Items]
Stock Dividend Ownership Interest Percentage, Related Company					63.40%
Dow International Holdings Company [Member] \| The Dow Chemical Company [Member]
Related Party Transaction [Line Items]
Dividends, Common Stock, Stock	$ 401