Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2016

Receivables [Abstract]

Schedule of Accounts Receivable

	As of December 31,
	2015			2016			2016
	RMB			RMB			US$
	(In thousands)
Accounts receivable		4,116,549			4,286,725			617,417
Allowance for doubtful accounts		(189,563	)		(177,401	)		(25,551	)
		3,926,986			4,109,324			591,866

Movements in Allowance for Doubtful Accounts Balance

The movements in the allowance for doubtful accounts were as follows:

	2014		2015			2016			2016
	RMB		RMB			RMB			US$
	(In thousands)
Balance as of January 1		43,814		93,877			189,563			27,303
Amounts charged to expenses		50,063		115,261			39,568			5,699
Amounts written off		—		(19,575	)		(51,730	)		(7,451	)
Balance as of December 31		93,877		189,563			177,401			25,551