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SHAREHOLDERS' EQUITY (Tables)
 12 Months Ended
Dec. 31, 2019
Equity [Abstract]  
Schedule of components of accumulated other comprehensive loss The components of accumulated other comprehensive loss attributable to Masco Corporation were as follows, in millions:
 
At December 31
 
2019
 
2018
Cumulative translation adjustments, net
$
273

 
$
266

Unrealized loss on interest rate swaps, net
(8
)
 
(10
)
Unrecognized net loss and prior service cost, net
(444
)
 
(383
)
Accumulated other comprehensive loss
$
(179
)
 
$
(127
)