Other Current Assets (Detail) ¥ in Thousands, $ in Thousands	Dec. 31, 2016 USD ($)	Dec. 31, 2016 CNY (¥)	Dec. 31, 2015 CNY (¥)
Prepaid Expense and Other Assets [Abstract]
Prepaid expenses	$ 56,054	¥ 389,182	¥ 339,264
Advances to suppliers	132,885	922,621	1,953,717
Tax prepayments	7,562	52,500	3,074
Receivables from online payment agencies	59,040	409,912	318,528
Deposits	34,360	238,559	380,152
Purchased copyrights	85,453	593,301	432,730
Others	106,356	738,441	686,375
Other assets, current	$ 481,710	¥ 3,344,516	¥ 4,113,840

Amount of purchased copyrights expected to be consumed within one year or operating cycle, if longer.

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Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment within one year or during the operating cycle, if shorter.

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Amount of current assets classified as other.

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Amount of other miscellaneous assets expected to be realized or consumed within one year or operating cycle, if longer.

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Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of consideration paid in advance for supplies that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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