CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 478	$ 1,276	$ 980
Less: Net income attributable to noncontrolling interest	68	52	45
Net income attributable to Masco Corporation	410	1,224	935
Other comprehensive income (loss), net of tax (Note P):
Cumulative translation adjustment	(32)	72	6
Interest rate swaps	7	1	2
Pension and other post-retirement benefits	384	(18)	(64)
Other comprehensive income (loss), net of tax	359	55	(56)
Less: Other comprehensive income (loss) attributable to the noncontrolling interest:
Cumulative translation adjustment	(19)	20	(1)
Pension and other post-retirement benefits	4	(2)	(3)
Less: Other comprehensive (loss) income attributable to noncontrolling interest	(15)	18	(4)
Other comprehensive income (loss) attributable to Masco Corporation	374	37	(52)
Total comprehensive income	837	1,331	924
Less: Total comprehensive income attributable to noncontrolling interest	53	70	41
Total comprehensive income attributable to Masco Corporation	$ 784	$ 1,261	$ 883