Consolidated Statements of Income (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Net trade sales	$ 43	$ 40	$ 140	$ 131
Net sales to related companies	1,794	1,663	5,340	4,781
Total Net Sales	1,837	1,703	5,480	4,912
Cost of sales	1,807	1,453	5,052	4,518
Research and development expenses	12	10	38	33
Selling, general and administrative expenses	2	3	9	10
Restructuring charges	0	0	0	5
Equity in earnings of nonconsolidated affiliates	15	7	50	27
Sundry income (expense) - net	(19)	6	(73)	2
Interest income	7	12	28	43
Interest expense and amortization of debt discount	9	6	27	28
Income Before Income Taxes	10	256	359	390
Provision (Credit) for income taxes	(12)	95	104	93
Net Income Attributable to Union Carbide Corporation	22	161	255	297
Depreciation	57	59	179	185
Capital Expenditures	$ 29	$ 38	$ 96	$ 81