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Other (Income) Expense - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2020
Other Postretirement Benefits | Non-U.S. | Other (Income) Expense |  |
Other Income And Expenses [Line Items] |  |
Pension settlement charges | $ 16 | $ 19

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