CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net sales	$ 7,745	$ 7,467	$ 7,486
Cost of sales	5,794	5,683	5,653
Gross profit	1,951	1,784	1,833
Selling, general and administrative expenses	1,561	1,576	1,598
Charge for litigation settlements, net	77	9
Impairment charges for goodwill and other intangible assets	42	494	698
Operating profit (loss)	271	(295)	(463)
Other income (expense), net:
Interest expense	(254)	(254)	(251)
Impairment charges for financial investments	(2)	(17)	(34)
Other, net	27	77	7
Total other income (expense), net	(229)	(177)	(278)
Income (loss) from continuing operations before income taxes	42	(472)	(741)
Income tax expense (benefit)	83	(49)	240
Loss from continuing operations	(41)	(423)	(981)
Loss from discontinued operations, net	(38)	(110)	(21)
Net loss	(79)	(533)	(1,002)
Less: Net income attributable to noncontrolling interest	35	42	41
Net loss attributable to Masco Corporation	(114)	(575)	(1,043)
Basic:
Loss from continuing operations	$ (0.22)	$ (1.34)	$ (2.94)
Loss from discontinued operations, net	$ (0.11)	$ (0.32)	$ (0.06)
Net loss	$ (0.33)	$ (1.66)	$ (3.00)
Diluted:
Loss from continuing operations	$ (0.22)	$ (1.34)	$ (2.94)
Loss from discontinued operations, net	$ (0.11)	$ (0.32)	$ (0.06)
Net loss	$ (0.33)	$ (1.66)	$ (3.00)
Amounts attributable to Masco Corporation:
Loss from continuing operations	(76)	(465)	(1,022)
Loss from discontinued operations, net	(38)	(110)	(21)
Net loss attributable to Masco Corporation	$ (114)	$ (575)	$ (1,043)
Basic:
Loss from continuing operations	$ (0.22)	$ (1.34)	$ (2.94)
Loss from discontinued operations, net	$ (0.11)	$ (0.32)	$ (0.06)
Net loss	$ (0.33)	$ (1.66)	$ (3.00)
Diluted:
Loss from continuing operations	$ (0.22)	$ (1.34)	$ (2.94)
Loss from discontinued operations, net	$ (0.11)	$ (0.32)	$ (0.06)
Net loss	$ (0.33)	$ (1.66)	$ (3.00)