Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Document Period End Date			Jun. 30, 2015
Net trade sales	$ 20	$ 24	$ 43	$ 50
Net sales to related companies	1,501	1,766	3,024	3,398
Total Net Sales	1,521	1,790	3,067	3,448
Cost of sales	1,277	1,534	2,504	3,059
Research and development expenses	5	5	10	11
Selling, general and administrative expenses	2	3	4	5
Restructuring charges	18	0	18	0
Equity in earnings of nonconsolidated affiliates	1	4	2	4
Sundry income (expense) - net	3	(3)	(11)	(12)
Interest income	1	3	3	6
Interest expense and amortization of debt discount	6	8	14	15
Income Before Income Taxes	218	244	511	356
Provision for income taxes	73	77	171	114
Net Income Attributable to Union Carbide Corporation	145	167	340	242
Depreciation	39	44	78	88
Capital Expenditures	$ 64	$ 39	$ 114	$ 64