Other Expense, Net - (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
|
| Other Income and Expenses [Abstract] | ||
| Non-service cost components of pension and OPEB costs | $ (3) | $ (2) |
| Government grants and incentives | 2 | 2 |
| Foreign exchange loss | (2) | (2) |
| Strategic transaction expenses, net of transaction breakup fee income | 1 | (11) |
| Other, net | 2 | 2 |
| Other expense, net | $ (11) | |