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Restructuring, Asset-Related, and Other Charges - Narrative (Details) | 1 Months Ended | 3 Months Ended | 12 Months Ended
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Aug. 31, 2015 production_line | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Mar. 31, 2017 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) Employee
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Restructuring, asset-related and other charges |  |  |  |  | $ 87,000,000 | $ 49,000,000 | $ 57,000,000
Asset-related charges |  |  |  |  | 43,000,000 | 4,000,000 | 1,000,000
Employee separation charges |  |  |  |  | 21,000,000 | 14,000,000 | 23,000,000
2017 Restructuring Program [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Restructuring, asset-related and other charges |  |  |  |  | 3,000,000 | 27,000,000 | 32,000,000
Aggregate restructuring costs |  |  |  |  | 62,000,000 |  |
2018 Restructuring Program [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Restructuring, asset-related and other charges |  | $ 5,000,000 |  |  |  |  |
2019 Restructuring Program [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Employee separation charges |  |  |  |  | 22,000,000 |  |
New Johnsonville, Tennessee [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Number of production lines shut down during period | production_line | 1 |  |  |  |  |  |
Corporate Function Efforts [Member] | 2017 Restructuring Program [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Employee separation and asset related charges |  |  |  |  | 3,000,000 | 18,000,000 | $ 14,000,000
Voluntary Separation Program [Member] | 2017 Restructuring Program [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Number of employees to be separated by end of 2018 | Employee |  |  |  |  |  |  | 300
Accrual of termination benefits recognized |  |  | $ 18,000,000 |  |  |  |
Voluntary Separation Program One-Time Financial Incentives [Member] | 2017 Restructuring Program [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Accrual of termination benefits recognized |  |  |  |  | 9,000,000 |  |
Operating Segments [Member] | Niagara Falls, NY [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Restructuring costs, excluding asset-related charges |  |  |  |  | 37,000,000 |  |
Operating Segments [Member] | Decommissioning Costs [Member] | Niagara Falls, NY [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Restructuring, asset-related and other charges |  |  |  |  | 2,000,000 | 4,000,000 | $ 17,000,000
Operating Segments [Member] | Additional Restructuring Charges [Member] | Niagara Falls, NY [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Additional restructuring charges expected to be incurred |  |  |  |  | 5,000,000 |  |
Operating Segments [Member] | Fluoroproducts [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Restructuring costs, excluding asset-related charges |  |  |  |  |  |  | 17,000,000
Operating Segments [Member] | Fluoroproducts [Member] | Decommissioning Costs [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Restructuring, asset-related and other charges |  |  |  |  |  |  | 3,000,000
Operating Segments [Member] | Chemical Solutions [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Asset-related charges |  |  |  |  | 34,000,000 | 4,000,000 | 0
Operating Segments [Member] | Titanium Technologies [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Asset-related charges |  |  |  |  | 9,000,000 | 0 | 0
Proceeds from sale of land |  |  |  | $ 10,000,000 |  |  |
Accelerated depreciation |  |  |  |  | 9,000,000 |  |
Operating Segments [Member] | Titanium Technologies [Member] | Edge Moor, Delaware Site [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Restructuring costs, excluding asset-related charges |  |  |  |  |  |  | 60,000,000
Operating Segments [Member] | Titanium Technologies [Member] | Decommissioning Costs [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Restructuring, asset-related and other charges |  |  |  |  |  |  | 4,000,000
Corporate and Other [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Asset-related charges |  |  |  |  | 0 | 0 | $ 1,000,000
Corporate and Other [Member] | Decommissioning Costs [Member] | Deepwater, New Jersey [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Restructuring, asset-related and other charges |  |  |  |  | 18,000,000 | $ 9,000,000 |
Corporate and Other [Member] | Additional Restructuring Charges [Member] | Deepwater, New Jersey [Member] |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Additional restructuring charges expected to be incurred |  |  |  |  | 6,000,000 |  |
Restructuring charges incurred |  |  |  |  | $ 27,000,000 |  |

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