EARNINGS PER SHARE CALCULATIONS (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

Net Income for Earnings Per Share Calculations - Basic In millions	2015			2014			2013
Net income attributable to The Dow Chemical Company	$	7,685		$	3,772		$	4,787
Preferred stock dividends	(340		)	(340		)	(340		)
Net income attributable to participating securities (1)	(51		)	(27		)	(38		)
Net income attributable to common stockholders	$	7,294		$	3,405		$	4,409

Earnings Per Share Calculations - Basic Dollars per share	2015			2014			2013
Net income attributable to The Dow Chemical Company	$	6.80		$	3.22		$	4.04
Preferred stock dividends	(0.30		)	(0.29		)	(0.29		)
Net income attributable to participating securities (1)	(0.05		)	(0.02		)	(0.03		)
Net income attributable to common stockholders	$	6.45		$	2.91		$	3.72

Net Income for Earnings Per Share Calculations - Diluted In millions	2015			2014			2013
Net income attributable to The Dow Chemical Company	$	7,685		$	3,772		$	4,787
Preferred stock dividends (2)	—			(340		)	—
Net income attributable to participating securities (1)	(51		)	(27		)	(38		)
Net income attributable to common stockholders	$	7,634		$	3,405		$	4,749

Earnings Per Share Calculations - Diluted Dollars per share	2015			2014			2013
Net income attributable to The Dow Chemical Company	$	6.19		$	3.18		$	3.71
Preferred stock dividends (2)	—			(0.29		)	—
Net income attributable to participating securities (1)	(0.04		)	(0.02		)	(0.03		)
Net income attributable to common stockholders	$	6.15		$	2.87		$	3.68

Share Count Information Shares in millions	2015	2014	2013
Weighted-average common shares - basic	1,130.1	1,170.9	1,186.2
Plus dilutive effect of stock options and awards	14.5	16.1	7.4
Plus dilutive effect of assumed conversion of preferred stock (3)	96.8	—	96.8
Weighted-average common shares - diluted	1,241.4	1,187.0	1,290.4
Stock options and deferred stock awards excluded from EPS calculations (4)	4.6	5.8	47.4

(1) Deferred stock awards are considered participating securities due to Dow's practice of paying dividend equivalents on unvested shares.

(2) Preferred stock dividends were not added back in the calculation of diluted earnings per share for the period ended December 31, 2014, because the effect of adding them back would have been antidilutive.

(3) Conversion of the Company's Cumulative Convertible Perpetual Preferred Stock, Series A into shares of the Company’s common stock was excluded from the calculation of diluted earnings per share for the period ended December 31, 2014, because the effect of including them would have been antidilutive.

(4) These outstanding options to purchase shares of common stock and deferred stock awards were excluded from the calculation of diluted earnings per share because the effect of including them would have been antidilutive.