v3.20.2

The Separation and Basis of Presentation (Tables) | 9 Months Ended
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Sep. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Costs Allocations | The following table reflects the allocations described above:
|  | Third quarter ended September 30, |  | Nine months ended September 30,
|  | 2020 |  | 2019 | ​ | 2020 |  | 2019
Cost of goods sold(1) |  | $ | — |  |  | $ | 4 |  | ​ | $ | — |  |  | $ | 11 |
Selling, general administrative, and other expenses(2) |  | — |  |  | 27 |  | ​ | 25 |  |  | 80 |
Research and development expenses |  | — |  |  | 1 |  | ​ | — |  |  | 8 |
Provision for depreciation and amortization |  | — |  |  | 4 |  | ​ | 1 |  |  | 9 |
Restructuring and other charges (E) |  | — |  |  | 2 |  | ​ | 2 |  |  | 5 |
Interest expense |  | — |  |  | 29 |  | ​ | 28 |  |  | 86 |
Other expenses (income), net (F) |  | — |  |  | 1 |  | ​ | (5) |  |  | 4 |
​ _____________________ (1) For all periods presented, amount principally relates to an allocation of expenses for ParentCo’s retained pension and other postretirement benefit obligations associated with closed and sold operations.​ (2) In the 2020 nine-month period and the 2019 third quarter and nine-month period, amount includes an allocation of $18, $13, and $23, respectively, for costs incurred by ParentCo associated with the Separation (see above).

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