SUPPLEMENTARY INFORMATION (Other Income Statement and Cash Flow Information) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2015		Dec. 31, 2014	Dec. 31, 2013
Supplementary Information [Abstract]
Cash payments for interest		$ 1,137		$ 1,038	$ 1,191
Cash payments for income taxes		1,405		1,109	1,708
Provision for doubtful receivables	[2]	$ 1	[1]	$ 52	$ 59

[1] Dow's provision for doubtful accounts was lower in 2015 due to the adjustment of certain reserve rates based on historical write-off experience, the impact of lower selling prices and the impact of divestitures.

[2] Included in “Selling, general and administrative expenses” in the consolidated statements of income.