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RESTRUCTURING AND OTHER COSTS - ADDITIONAL INFORMATION (Details) - USD ($) |  | 3 Months Ended
--- | --- | ---
Aug. 06, 2020 | Mar. 31, 2021 | Mar. 31, 2020
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs and asset impairment charges (benefit) |  | $ 1,000,000 | $ 42,000,000
Gain on sale of business |  | 13,000,000 | 0
Severance costs |  | 3,000,000 | 3,000,000
Fixed asset impairment |  |  | $ 39,000,000
Inventory Adjustments |  | 2,000,000 |
August 2020 Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total restructuring and other costs |  | 57,000,000 |
Minimum | August 2020 Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and related cost, expected cost | $ 60,000,000 |  |
Maximum | August 2020 Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and related cost, expected cost | $ 70,000,000 |  |
Facility Closing | Minimum | August 2020 Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and related cost, number of positions eliminated, period percent | 4.00% |  |
Facility Closing | Maximum | August 2020 Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and related cost, number of positions eliminated, period percent | 5.00% |  |
Inventory Write-Down | August 2020 Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total restructuring and other costs |  | 29,000,000 |
Fixed Asset Depreciation | August 2020 Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total restructuring and other costs |  | 14,000,000 |
Severance | August 2020 Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total restructuring and other costs |  | $ 9,000,000 |

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