Accrued Liabilities (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2017 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Accrued Liabilities, Current [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Schedule of Accrued Liabilities |
As of December 31, 2017 and 2016, accrued liabilities consisted of the following (in millions):
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X | ||||||||||
- References No definition available.
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X | ||||||||||
- Definition Tabular disclosure of the components of accrued liabilities. No definition available.
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