Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2022

Class of Stock Disclosures [Abstract]

Summary of Basic and Diluted Net Loss Per Share

Basic and diluted net loss per share for the years ended December 31, 2020, 2021 and 2022 are calculated as follows:

	For the year ended December 31,
	2020			2021						2022
	Ordinary shares			Class A			Class B			Class A						Class B
	RMB			RMB			RMB			RMB			US$			RMB			US$
Numerator:
Net loss		(3,176,914	)		(4,628,133	)		(1,800,926	)		(671,187	)		(97,313	)		(135,696	)		(19,674	)
Accretion of redeemable    convertible preferred shares		(320,301	)		(207,598	)		(80,782	)		—			—			—			—
Accretion of redeemable    noncontrolling interests		—			—			—			(6,230	)		(903	)		(1,260	)		(183	)
Numerator for computing basic and    diluted net loss per share		(3,497,215	)		(4,835,731	)		(1,881,708	)		(677,417	)		(98,216	)		(136,956	)		(19,857	)
Denominator:
Weighted average number of    ordinary shares outstanding		63,690,000			140,170,091			54,543,800			269,787,113			269,787,113			54,543,800			54,543,800
Loss per share (RMB):
Basic and diluted net loss per share:		(54.91	)		(34.50	)		(34.50	)		(2.51	)		(0.36	)		(2.51	)		(0.36	)