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Other Current Assets (Detail) ¥ in Millions, $ in Millions | Dec. 31, 2017 USD ($) | Dec. 31, 2017 CNY (¥) | Dec. 31, 2016 CNY (¥)
--- | --- | --- | ---
Prepaid Expense and Other Assets [Abstract] |  |  |
Prepaid expenses | $ 61 | ¥ 398 | ¥ 389
Advances to suppliers | 117 | 764 | 923
Receivables from online payment agencies | 48 | 312 | 410
Deposits | 31 | 204 | 239
Purchased copyrights | 126 | 819 | 593
Others | 143 | 928 | 791
Other assets, current | $ 526 | ¥ 3,425 | ¥ 3,345

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