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v3.8.0.1

Accrued Expenses and Other Long-Term Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Accrued Expenses |  |
Defined benefit plan liabilities, current | $ 33 | $ 32
Wage and other employee-related liabilities, current | 278 | 225
Environmental liabilities, current | 30 | 29
Environmental credit obligations, current | 152 | 214
Accrued interest expense, current | 105 | 104
Other accrued liabilities, current | 114 | 90
Accrued expenses | 712 | 694
Other Long-Term Liabilities |  |
Defined benefit plan liabilities, noncurrent | 776 | 742
Wage and other employee-related liabilities, noncurrent | 111 | 103
Uncertain tax position liabilities, noncurrent | 723 | 465
Repatriation tax liability, noncurrent | 597 | 0
Environmental liabilities, noncurrent | 232 | 223
Other accrued liabilities, noncurrent | 290 | 211
Other long-term liabilities | $ 2,729 | $ 1,744

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