Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net Income Attributable to Union Carbide Corporation	$ 808	$ 587	$ 748
Other Comprehensive Income (Loss), Net of Tax
Cumulative translation adjustments	2	15	(22)
Pension and other postretirement benefit plan adjustments	13	(213)	322
Total other comprehensive income (loss)	15	(198)	300
Comprehensive Income Attributable to Union Carbide Corporation	$ 823	$ 389	$ 1,048