CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement [Abstract]
Net sales	$ 2,057	$ 2,001	$ 3,834	$ 3,721
Cost of sales	1,320	1,301	2,489	2,452
Gross profit	737	700	1,345	1,269
Selling, general and administrative expenses	380	365	735	700
Operating profit	357	335	610	569
Other income (expense), net:
Interest expense	(153)	(87)	(196)	(143)
Other, net	51	5	54	4
Total other income (expense), net	(102)	(82)	(142)	(139)
Income before income taxes	255	253	468	430
Income tax expense	84	90	147	148
Net income	171	163	321	282
Less: Net income attributable to noncontrolling interest	13	13	23	23
Net income attributable to Masco Corporation	$ 158	$ 150	$ 298	$ 259
Basic:
Net income (in dollars per share)	$ 0.50	$ 0.45	$ 0.93	$ 0.78
Diluted:
Net income (in dollars per share)	$ 0.49	$ 0.45	$ 0.92	$ 0.77