Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Consolidated Statements of Operations
Net sales	$ 606	$ 618
Cost of goods sold	480	455
Selling, general and administrative	70	79
Depreciation and amortization	31	29
Research and development	9	12
Facility closures, severance and related costs	14
Changes in estimates related to expected allowable claims		2
Equity loss	2	1
Operating income		40
Interest expense	(16)	(14)
Other income (expense), net	3	(3)
Reorganization items, net		(2)
(Loss) earnings from continuing operations before income taxes	(13)	21
Income tax (expense) benefit	(8)	1
(Loss) earnings from continuing operations	(21)	22
Loss from discontinued operations, net of tax	(2)
Net (loss) earnings attributable to Chemtura	$ (23)	$ 22
Basic and diluted per share information - attributable to Chemtura
(Loss) earnings from continuing operations (in dollars per share)	$ (0.21)	$ 0.22
Loss from discontinued operations, net of tax (in dollars per share)	$ (0.02)
Net (loss) earnings attributable to Chemtura (in dollars per share)	$ (0.23)	$ 0.22
Weighted average shares outstanding - Basic (in shares)	98.2	98.3
Weighted average shares outstanding - Diluted (in shares)	98.2	99.1