CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 146	$ 121	$ 428	$ 309
Less: Net income attributable to noncontrolling interest	12	10	35	29
Net income attributable to Masco Corporation	134	111	393	280
Other comprehensive income (loss), net of tax
Cumulative translation adjustment	(1)	(17)	(10)	(70)
Interest rate swaps	0	0	1	1
Pension and other post-retirement benefits	3	4	9	11
Realized gain on available-for-sale securities	0	0	(1)	0
Other comprehensive income (loss)	2	(13)	(1)	(58)
Less: Other comprehensive income (loss) attributable to noncontrolling interest	2	(1)	4	(10)
Other comprehensive income (loss) attributable to Masco Corporation	0	(12)	(5)	(48)
Total comprehensive income	148	108	427	251
Less: Total comprehensive income attributable to the noncontrolling interest	14	9	39	19
Total comprehensive income attributable to Masco Corporation	$ 134	$ 99	$ 388	$ 232