CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Net sales	$ 2,001	$ 1,929	$ 3,721	$ 3,588
Cost of sales	1,301	1,292	2,452	2,456
Gross profit	700	637	1,269	1,132
Selling, general and administrative expenses	365	358	700	688
Operating profit	335	279	569	444
Other income (expense), net:
Interest expense	(87)	(61)	(143)	(117)
Other, net	5	3	4	4
Total other income (expense), net	(82)	(58)	(139)	(113)
Income from continuing operations before income taxes	253	221	430	331
Income tax expense	(90)	(102)	(148)	(142)
Income from continuing operations	163	119	282	189
Loss from discontinued operations, net	0	(4)	0	(1)
Net income	163	115	282	188
Less: Net income attributable to noncontrolling interest	13	10	23	19
Net income attributable to Masco Corporation	$ 150	$ 105	$ 259	$ 169
Basic:
Income from continuing operations (in dollars per share)	$ 0.45	$ 0.32	$ 0.78	$ 0.49
Income (loss) from discontinued operations, net (in dollars per share)	0.00	(0.01)	0.00	0.00
Net income (in dollars per share)	0.45	0.30	0.78	0.49
Diluted:
Income from continuing operations (in dollars per share)	0.45	0.31	0.77	0.48
Income (loss) from discontinued operations, net (in dollars per share)	0.00	(0.01)	0.00	0.00
Net income (in dollars per share)	$ 0.45	$ 0.30	$ 0.77	$ 0.48
Amounts attributable to Masco Corporation:
Income from continuing operations	$ 150	$ 109	$ 259	$ 170
Net income attributable to Masco Corporation	$ 150	$ 105	$ 259	$ 169