CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 87	$ (67)	$ 143	$ (23)
Less: Net income attributable to noncontrolling interest	10	8	19	19
Net income (loss) attributable to Masco Corporation	77	(75)	124	(42)
Other comprehensive income (loss), net of tax (see Note K):
Cumulative translation adjustment	10	(57)	(26)	(27)
Interest rate swaps, net of income tax of $- and $-, respectively	1		1
Unrecognized pension prior service cost and net loss, net of income tax of $- and $-, respectively	4	4	9	8
Other comprehensive income (loss)	15	(53)	(16)	(19)
Less: Other comprehensive income (loss) attributable to noncontrolling interest	4	(11)	(4)	(4)
Other comprehensive income (loss) attributable to Masco Corporation	11	(42)	(12)	(15)
Total comprehensive income (loss)	102	(120)	127	(42)
Less: Total comprehensive income (loss) attributable to the noncontrolling interest	14	(3)	15	15
Total comprehensive income (loss) attributable to Masco Corporation	$ 88	$ (117)	$ 112	$ (57)