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SHAREHOLDERS' EQUITY (Tables) | 12 Months Ended
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Dec. 31, 2020
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
| 2020 |  | 2019
Cumulative translation adjustments, net | $ | 325 |  |  | $ | 273 |
Unrealized loss on interest rate swaps, net | (7) |  |  | (8) |
Unrecognized net loss and prior service cost, net | (460) |  |  | (444) |
Accumulated other comprehensive loss | $ | (142) |  |  | $ | (179) |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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