SUPPLEMENTARY INFORMATION (Tables)

12 Months Ended

Dec. 31, 2017

Supplementary Information [Abstract]

Sundry Income, Net [Table Text Block]

Sundry Income (Expense) - Net
In millions	2017			2016			2015
Dow administrative and overhead fees 1	$	(33	)	$	(27	)	$	(30	)
Net commission expense - related company 1	(22		)	(22		)	(22		)
Net gain (loss) on sales of property	23			50			(3		)
Interest income	20			14			8
Net gain on sale of a nonconsolidated affiliate 2	4			—			—
Net gain on ownership transfer of property	—			—			23
Net gain on sale of patents 3	—			—			10
Foreign exchange gain (loss)	—			1			(2		)
Other - net	(3		)	—			(6		)
Total sundry income (expense) - net	$	(11	)	$	16		$	(22	)

1. See Note 18 for additional information.

2. See Note 10 for additional information.

3. See Note 4 for additional information.