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v3.19.2

Other Income and Expense - Other Expense (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Schedule of other expense [Line Items] |  |  |  |
Gain (Loss) on Disposition of Assets |  |  | $ (16) | $ (2)
Other Expenses | $ 14 | $ 4 | 26 | 13
Other Expense [Member] |  |  |  |
Schedule of other expense [Line Items] |  |  |  |
Gain (Loss) on Disposition of Assets | 9 | 3 | 14 | 5
Defined Benefit Plan, Other Cost (Credit) | 5 | 1 | 9 | 6
Other Nonoperating Expense | 0 | 0 | 3 | 2
Other Expenses | $ 14 | $ 4 | $ 26 | $ 13

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