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Other Noncurrent Liabilities and Deferred Credits (Tables) | 12 Months Ended
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Dec. 31, 2017
Payables and Accruals [Abstract] |
Schedule of Other Noncurrent Liabilities and Deferred Credits |
December 31, | 2017 | 2016
Environmental remediation (L) | $ | 253 |  | $ | 260 |
Income taxes (Q) | 162 |  | 154 |
Accrued compensation and retirement costs | 218 |  | 216 |
Contingent payment related to an acquisition (F) | — |  | 78 |
Other | 126 |  | 162 |
| $ | 759 |  | $ | 870 |

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