Segments - Reconciliation of Segment EBITDA to Consolidated Net Income (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
|
| Segment Reporting [Abstract] | ||
| Segment EBITDA | $ 254 | |
| Segment EBITDA Including Non-service Cost Components of Defined Benefit Plan Costs | $ 212 | |
| Corporate expense and other items, net | (6) | (7) |
| Depreciation | (64) | (49) |
| Amortization of intangibles | (3) | (3) |
| Non-service cost components of pension and OPEB costs | (3) | (2) |
| Restructuring | (1) | (2) |
| Stock compensation expense | (4) | (4) |
| Strategic transaction expenses, net of transaction breakup fee income | 1 | (11) |
| Acquisition related inventory adjustments | (6) | |
| Other items | (1) | |
| Earnings before interest and income taxes | 174 | 129 |
| Interest expense | (24) | (27) |
| Interest income | 3 | 3 |
| Earnings before income taxes | 153 | 105 |
| Income tax expense | 48 | 30 |
| Equity in earnings of affiliates | 6 | 5 |
| Net income | $ 111 | $ 80 |