Consolidated Statements of Income (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net trade sales	$ 54	$ 45
Net sales to related companies	1,674	1,566
Total Net Sales	1,728	1,611
Cost of sales	1,658	1,429
Research and development expenses	10	10
Selling, general and administrative expenses	3	2
Restructuring charges	3	0
Equity in earnings of nonconsolidated affiliates	17	17
Sundry income (expense) - net	(13)	(30)
Interest income	5	11
Interest expense and amortization of debt discount	7	9
Income Before Income Taxes	56	159
Provision for income taxes	19	53
Net Income Attributable to Union Carbide Corporation	37	106
Depreciation	58	62
Capital Expenditures	$ 37	$ 28