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INTERIM FINANCIAL INFORMATION (UNAUDITED) (Tables) | 12 Months Ended
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Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract] |
Schedule of interim financial information | Our quarterly results attributable to Masco Corporation were as follows:
|  |  |  | Quarters Ended
|  |  |  | (In Millions, Except Per Common Share Data)
|  | Total Year |  | December 31 |  | September 30 |  | June 30 |  | March 31
2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 8,359 |  |  | $ | 2,041 |  |  | $ | 2,101 |  |  | $ | 2,297 |  |  | $ | 1,920 |
Gross profit |  | $ | 2,689 |  |  | $ | 653 |  |  | $ | 667 |  |  | $ | 750 |  |  | $ | 619 |
Net income |  | $ | 734 |  |  | $ | 194 |  |  | $ | 180 |  |  | $ | 211 |  |  | $ | 149 |
Income per common share: |  |  |  |  |  |  |  |  |  |
Basic: |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 2.38 |  |  | $ | 0.65 |  |  | $ | 0.59 |  |  | $ | 0.69 |  |  | $ | 0.48 |
Diluted: |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 2.37 |  |  | $ | 0.64 |  |  | $ | 0.58 |  |  | $ | 0.68 |  |  | $ | 0.47 |
2017 |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 7,642 |  |  | $ | 1,853 |  |  | $ | 1,945 |  |  | $ | 2,066 |  |  | $ | 1,778 |
Gross profit |  | $ | 2,612 |  |  | $ | 604 |  |  | $ | 657 |  |  | $ | 746 |  |  | $ | 605 |
Net income |  | $ | 533 |  |  | $ | 80 |  |  | $ | 152 |  |  | $ | 163 |  |  | $ | 138 |
Income per common share: |  |  |  |  |  |  |  |  |  |
Basic: |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 1.68 |  |  | $ | 0.25 |  |  | $ | 0.48 |  |  | $ | 0.51 |  |  | $ | 0.43 |
Diluted: |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 1.66 |  |  | $ | 0.25 |  |  | $ | 0.48 |  |  | $ | 0.51 |  |  | $ | 0.43 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=84173487&loc=d3e1280-108306 + Details
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