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DIVESTITURES - Narrative (Details) - USD ($) $ in Millions |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Nov. 06, 2019 | Sep. 06, 2019 | Mar. 31, 2020 | Dec. 31, 2017 | Jun. 30, 2017 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Businesses, net of cash disposed |  |  |  |  |  | $ 722 | $ 0 | $ 128
Gain (loss) on disposition of business |  |  |  |  |  | 298 | 0 | (13)
Assets classified as held for sale |  |  |  | $ 1,202 |  | 528 | 1,195 | 1,202
Gain (loss) on sales of businesses, net |  |  |  |  |  | 0 | 0 | (13)
Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Income (loss) from discontinued operation, before income tax |  |  |  |  |  | 404 | 135 | 166
UK Window Group [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Businesses, net of cash disposed |  | $ 8 |  |  |  |  |  |
Business, net of cash disposed |  | 2 |  |  |  |  |  |
Discontinued operation, consideration |  | $ 6 |  |  |  |  |  |
Period of consideration to be collected |  | 2 years |  |  |  |  |  |
Gain (loss) on disposition of business |  |  |  |  |  | 70 |  |
Milgard Manufacturing Inc [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Business, net of cash disposed | $ 720 |  |  |  |  |  |  |
Gain (loss) on disposition of business |  |  |  |  |  | 368 |  |
Masco Cabinetry [Member] | Discontinued Operations, Held-for-sale [Member] |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Assets classified as held for sale |  |  |  |  |  | 528 | 535 |
Liabilities classified as held for sale |  |  |  |  |  | 162 | 158 |
Milgard and UKWG [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Income (loss) from discontinued operation, before income tax |  |  |  |  |  | 1 | 40 | 57
Milgard and UKWG [Member] | Discontinued Operations, Held-for-sale [Member] |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Assets classified as held for sale |  |  |  |  |  |  | 660 |
Liabilities classified as held for sale |  |  |  |  |  |  | 257 |
Cabinetry Products [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Income (loss) from discontinued operation, before income tax |  |  |  |  |  | $ 107 | $ 95 | 109
Moores Furniture [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Gain (loss) on sales of businesses, net |  |  |  |  |  |  |  | (64)
Arrow Fastener [Member] |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Business, net of cash disposed |  |  |  |  | $ 128 |  |  |
Arrow Fastener [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Gain (loss) on sales of businesses, net |  |  |  |  |  |  |  | $ 51
Scenario, Forecast [Member] | Masco Cabinetry [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Businesses, net of cash disposed |  |  | $ 1,000 |  |  |  |  |
Business, net of cash disposed |  |  | 850 |  |  |  |  |
Gain (loss) on disposition of business |  |  | 600 |  |  |  |  |
Part noncash divestiture, amount of consideration received |  |  | $ 150 |  |  |  |  |
Coupon rate, percentage until the first anniversary issuance |  |  | 8.00% |  |  |  |  |
Coupon rate, percentage after the first anniversary and until the second anniversary issuance |  |  | 9.00% |  |  |  |  |
Coupon rate, percentage after the second anniversary and until the seventh anniversary issuance |  |  | 10.00% |  |  |  |  |
Preferred Stock, percentage of coupon rate increase |  |  | 5000.00% |  |  |  |  |
Coupon rate, maximum percentage |  |  | 15.00% |  |  |  |  |
Pension Costs [Member] | Moores Furniture [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Gain (loss) on sales of businesses, net |  |  |  | $ (58) |  |  |  |

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