Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Condensed Consolidated Statements of Operations [Abstract]
Net sales	$ 2,004	$ 1,998	$ 3,879	$ 3,751
Cost of sales	1,479	1,466	2,869	2,794
Gross profit	525	532	1,010	957
Selling, general and administrative expenses	403	431	788	830
Charge for litigation settlements, net	75	5	73	5
Operating profit	47	96	149	122
Other income (expense), net:
Interest expense	(68)	(64)	(132)	(127)
Other, net	2	32	17	53
Total other income (expense), net	(66)	(32)	(115)	(74)
(Loss) income from continuing operations before income taxes	(19)	64	34	48
Income taxes	30	38	34	51
(Loss) income from continuing operations	(49)	26		(3)
Loss from discontinued operations	(18)	(6)	(23)	(11)
Net (loss) income	(67)	20	(23)	(14)
Less: Net income attributable to noncontrolling interest	8	12	19	24
Net (loss) income attributable to Masco Corporation	(75)	8	(42)	(38)
Basic:
(Loss) income from continuing operations	$ (0.17)	$ 0.04	$ (0.06)	$ (0.08)
Loss from discontinued operations	$ (0.05)	$ (0.02)	$ (0.07)	$ (0.03)
Net (loss) income	$ (0.22)	$ 0.02	$ (0.12)	$ (0.11)
Diluted:
(Loss) income from continuing operations	$ (0.17)	$ 0.04	$ (0.06)	$ (0.08)
Loss from discontinued operations	$ (0.05)	$ (0.02)	$ (0.07)	$ (0.03)
Net (loss) income	$ (0.22)	$ 0.02	$ (0.12)	$ (0.11)
Amounts attributable to Masco Corporation:
(Loss) income from continuing operations	(57)	14	(19)	(27)
Loss from discontinued operations	(18)	(6)	(23)	(11)
Net (loss) income	$ (75)	$ 8	$ (42)	$ (38)