Employee Stock Ownership Plan ESOP Debt Structure Direct Loan Interest Rate

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Price per share, Sale of stock

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Amount of cash paid to acquire the entity.

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The amount of plan compensation cost recognized during the period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

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The amount reported as a liability as of the balance sheet date by the entity (the employer) of the loan made by a third-party lender directly to the ESOP.

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-Publisher AICPA

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-Glossary Direct Loan

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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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The shares or units in an ESOP trust that have been assigned to individual participant accounts based on a known formula. IRS rules require allocations to be nondiscriminatory generally based on compensation, length of service, or a combination of both. For any particular participant such shares or units may be vested, unvested, or partially vested.

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-Publisher AICPA

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-Paragraph 53

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The shares that, although not legally released, will be released by a future scheduled and committed debt service payment and will be allocated to employees for service rendered in the current accounting period. The ESOP documents typically define the period of service to which the shares relate. ESOP shares are released to compensate employees directly, to settle employer liabilities for other employee benefits, and to replace dividends on allocated shares that are used for debt service.

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Shares contributed to the ESOP that have not yet been released, committed to be released, or allocated to participant accounts. Suspense shares generally collateralize ESOP debt.

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Sum of the allocated, committed-to-be-released and suspense shares of the entity held by the plan.

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Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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-Name Regulation S-X (SX)

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Number of treasury shares (units) reissued during the period, excluding reissuance of shares (units) held in treasury used to satisfy equity-based compensation obligations exercised by the holders of such rights. Upon reissuance of shares (units) from treasury, either the common or preferred stock (unit) reissued is outstanding.

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Equity impact of the value of treasury stock (units) reissued during the period, excluding reissuance of shares (units) held in treasury used to satisfy equity-based compensation obligations exercised by the holders of such rights. Upon reissuance of shares (units) from treasury, either the common or preferred stock (unit) reissued is outstanding.

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The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.

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-Publisher FASB

-Name FASB Technical Bulletin (FTB)

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Fair value of unearned shares for all classes of common stock and nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by an employee stock ownership plan (ESOP). Includes the sale of shares or the issuance treasury shares to an ESOP.

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STOCKHOLDERS' EQUITY (Employee Stock Ownership Plan) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended				3 Months Ended		0 Months Ended	1 Months Ended	12 Months Ended
	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008	Apr. 02, 2009 Rohm And Haas [Member]	Jun. 30, 2009 Rohm And Haas [Member] Rohm and Haas ESOP [Member]	Apr. 02, 2009 Rohm And Haas [Member] Rohm and Haas ESOP [Member]	May 11, 2009 Dow ESOP [Member]	May 31, 2009 Dow ESOP [Member]	Dec. 31, 2010 Dow ESOP [Member]	Dec. 31, 2009 Dow ESOP [Member]	Dec. 31, 2008 Dow ESOP [Member]
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Cash paid to Rohm and Haas Company ESOP						$ 552
Employee Stock Ownership Plan (ESOP), Shares in ESOP				7.0		7.0			46.0
Shares issued under option and purchase plans (in shares)	7.5	8.7	7.0
Debt of ESOP	64			78
Interest rate on debt of ESOP					9.80%
Treasury stock sold to ESOP, shares								36.7
Price per share, Sale of stock (in dollars per share)							$ 15.0561
Treasury stock sold to ESOP, value							553
Aggregate historical cost of treasury shares	239	557					1,529
ESOP, compensation expense									81	48	0
Shares allocated to participants' accounts									14.4
Number of released, but unallocated, shares									0.9
Number of unearned shares									30.7
Fair value of unearned shares									$ 1,050