STOCKHOLDERS' EQUITY (Treasury Stock) (Details) - USD ($) shares in Millions, $ in Millions		12 Months Ended
	Oct. 05, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 30, 2016	Nov. 12, 2014	Jan. 29, 2014	Mar. 31, 2013
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 1,400
Treasury Stock, Shares, Acquired		17.1	23.1	84.1
Dow Shares Exchange in Share Exchange Offer	34.1
Shares issued under option and purchase plans (in shares)		14.5	16.5	7.1
Preferred Stock, Value, Outstanding		$ 0	$ 4,000		$ 4,000
Treasury Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Issued During Period, Value of Treasury Stock Reissued upon Preferred Stock Conversion		4,695	0	$ 0
Additional Paid-in Capital [Member]
Equity, Class of Treasury Stock [Line Items]
Adjustments to Additional Paid in Capital, Conversion of Preferred Stock to Common Stock		(695)	$ 0	$ 0
Common Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount		$ 9,500						$ 1,500
Common Stock [Member] | January 2014 Additional Authorization [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount							$ 3,000
Common Stock [Member] | November 2014 Additional Authorization [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount						$ 5,000