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Other Financial Data - Schedule of Other Income (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Other (Expense) Income |  |  |  |
Foreign currency remeasurement gain (loss) | $ 3,000,000 | $ (20,000,000) | $ 16,000,000 | $ (32,000,000)
Gain (loss) on disposal of business | (3,000,000) | 0 | (4,000,000) | (2,000,000)
Pension and other postretirement income (expense) | 0 | 9,000,000 | (5,000,000) | 26,000,000
Equity earnings | 1,000,000 | 2,000,000 | 3,000,000 | 11,000,000
Gain (loss) on financial instruments | 0 | 16,000,000 | (27,000,000) | 6,000,000
Other | 0 | (3,000,000) | 0 | (3,000,000)
Total | $ 1,000,000 | $ 4,000,000 | $ (17,000,000) | $ 6,000,000

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