Consolidated Statements of Operations (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Consolidated Statements of Operations [Abstract]
Net trade sales	$ 161	$ 177	$ 186
Net sales to related companies	6,787	6,070	6,694
Total Net Sales	6,948	6,247	6,880
Cost of sales	6,214	6,088	6,493
Research and development expenses	25	35	47
Selling, general and administrative expenses	12	10	10
Restructuring charges	0	74	0
Equity in earnings of nonconsolidated affiliates	82	59	69
Sundry income (expense) - net	308	(182)	(96)
Interest income	12	14	33
Interest expense and amortization of debt discount	32	28	34
Income (Loss) Before Income Taxes	1,067	(97)	302
Provision for income taxes	319	17	87
Net Income (Loss) Attributable to Union Carbide Corporation	$ 748	$ (114)	$ 215