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Other Current Assets - Other Current Assets (Detail) - USD ($) $ in Millions | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Receivables [Abstract] |  |
Receivables from government agencies | $ 150 | $ 233
Taxes and other government receivables | 39 | 36
Advances | 28 | 26
Prepayments | 47 | 56
Loans and deposits | 9 | 9
Interest receivable | 4 | 1
Derivative instruments | 2 | 5
Other current assets | 32 | 41
Total | $ 311 | $ 407

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