Fixed Assets. Net (Tables)

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Components of Fixed Assets

Fixed assets consist of the following:

	As of December 31,
	2021			2022			2022
	RMB			RMB			US$
Computer equipment		2,285,185			1,960,884			284,301
Office building		588,685			588,685			85,351
Leasehold improvements		194,336			162,653			23,582
Office furniture and equipment		158,784			147,766			21,424
Others		27,786			29,211			4,235
		3,254,776			2,889,199			418,893
Less: Accumulated depreciation		(1,916,807	)		(1,793,614	)		(260,050	)
Construction in progress		6,815			9,136			1,326
		1,344,784			1,104,721			160,169