Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Summary of (Loss) or Income Before Income Taxes

The Group’s (loss) /income before income taxes consists of:

	For the year ended December 31,
	2021			2022			2023			2023
	RMB			RMB			RMB			US$
Non-Mainland China		(2,024,738	)		(505,068	)		(366,657	)		(51,643	)
Mainland China		(3,987,250	)		471,292			2,399,258			337,929
		(6,011,988	)		(33,776	)		2,032,601			286,286

Components of Income Tax Expense

Income tax expense for the years ended December 31, 2021, 2022 and 2023 consists of:

	For the year ended December 31,
	2021		2022		2023			2023
	RMB		RMB		RMB			US$
Current income tax expense		78,010		53,944		81,055			11,416
Deferred income tax expense/(benefit)		18,535		30,056		(1,008	)		(142	)
		96,545		84,000		80,047			11,274

Summary of Reconciliation of Tax Expense Computed by Applying Statutory Income Tax Rate to Pre-Tax Loss or Income

The reconciliation of total tax expense computed by applying the respective statutory income tax rate to pre-tax loss or income is as follows:

	For the year ended December 31,
	2021			2022			2023			2023
	RMB			RMB			RMB			US$
Income tax (benefit)/expense at PRC statutory rate		(1,502,997	)		(8,444	)		508,150			71,571
Effect of differing tax rates in different jurisdictions		377,604			184,999			98,963			13,939
Non-taxable item		181,972			(119,094	)		119,442			16,823
Research and development super-deduction		(162,103	)		(115,975	)		(141,454	)		(19,923	)
Effect of PRC preferential tax rates and tax holiday		269,585			23,564			(169,264	)		(23,840	)
Other adjustments		(2,151	)		(41,940	)		14,692			2,068
Change in valuation allowance		934,635			160,890			(350,482	)		(49,364	)
Income tax expense		96,545			84,000			80,047			11,274

Summary of Tax Effects of Temporary Differences to Deferred Tax Balances

The tax effects of temporary differences that give rise to the deferred tax balances at December 31, 2022 and 2023 are as follows:

	As of December 31,
	2022			2023			2023
	RMB			RMB			US$
Deferred tax assets:
Accrued expenses and others		455,724			545,144			76,783
Bad debt provision		71,811			75,942			10,696
Net operating losses carried forward		1,737,385			1,565,134			220,445
Recorded cost relating to capitalized assets		3,799,494			3,527,191			496,794
Fixed assets depreciation		15,979			13,578			1,912
Valuation allowance		(6,037,351	)		(5,686,869	)		(800,979	)
Deferred tax assets, net		43,042			40,120			5,651
Deferred tax liabilities:
Long term investment fair value change		44,874			40,944			5,767

	As of December 31,
	2022		2023		2023
	RMB		RMB		US$
Classification in the consolidated balance sheets:
Deferred tax assets, net		—		—		—
Deferred tax liabilities		1,832		824		116