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GOODWILL AND OTHER INTANGIBLE ASSETS - Goodwill, Net (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Goodwill |  |  |
Gross Goodwill | $ 978 | $ 924 | $ 926
Accumulated Impairment Losses | (415) | (415) | (415)
Net Goodwill | 563 | 509 | 511
Acquisitions | 41 | 0 |
Plumbing Products |  |  |
Goodwill |  |  |
Gross Goodwill | 613 | 566 | 568
Accumulated Impairment Losses | (340) | (340) | (340)
Net Goodwill | 273 | 226 | 228
Acquisitions | 34 | 0 |
Decorative Architectural Products |  |  |
Goodwill |  |  |
Gross Goodwill | 365 | 358 | 358
Accumulated Impairment Losses | (75) | (75) | (75)
Net Goodwill | 290 | 283 | $ 283
Acquisitions | $ 7 | $ 0 |

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