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GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Definite-lived Intangible Assets |  |  |  |
Other indefinite-lived intangible assets |  | $ 76,000,000 | $ 86,000,000 |
Increase in other indefinite-lived intangible assets |  |  | 59,000,000 |
Goodwill, impairment loss |  | 0 | 0 | $ 0
Impairment of intangible assets, indefinite-lived (excluding goodwill) |  | 0 | 0 | 0
Carrying value of definite-lived intangible assets |  | 183,000,000 | 202,000,000 |
Accumulated amortization |  | 48,000,000 | 26,000,000 |
Amortization expense related to the definite-lived intangible assets |  | 23,000,000 | 20,000,000 | $ 4,000,000
Increase in definite-lived intangible assets |  |  | $ 181,000,000 |
Amortization expense related to the definite-lived intangible assets, 2019 |  | 24,000,000 |  |
Amortization expense related to the definite-lived intangible assets, 2020 |  | 16,000,000 |  |
Amortization expense related to the definite-lived intangible assets, 2021 |  | 12,000,000 |  |
Amortization expense related to the definite-lived intangible assets, 2022 |  | 11,000,000 |  |
Amortization expense related to the definite-lived intangible assets, 2023 |  | $ 11,000,000 |  |
Weighted average |  |  |  |
Definite-lived Intangible Assets |  |  |  |
Weighted average amortization period |  | 17 years | 16 years |
Decorative Architectural Products [Member] |  |  |  |
Definite-lived Intangible Assets |  |  |  |
Impairment of intangible assets, indefinite-lived (excluding goodwill) | $ 9,000,000 |  |  |

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