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Other Financial Data - Schedule of Other Income (Expense) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Other Financial Data [Abstract] |  |  |
Foreign currency remeasurement | $ 9 | $ 25 | $ (37)
Disposal of businesses | 13 | (6) | (16)
Pension and other postretirement | 9 | 1 | (86)
Equity earnings | 4 | 4 | 12
Financial instruments | (34) | (49) | 2
Other income (expense) | $ 1 | $ (25) | $ (125)

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