Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Income Tax Disclosure [Abstract]

Summary of (Loss) or Income Before Income Taxes

The Group’s loss or income before income taxes consists of:

	For the year ended December 31,
	2020			2021			2022			2022
	RMB			RMB			RMB			US$
Non-Mainland China		(1,130,036	)		(2,024,738	)		(505,068	)		(73,228	)
Mainland China		(5,853,841	)		(3,987,250	)		471,292			68,331
		(6,983,877	)		(6,011,988	)		(33,776	)		(4,897	)

Components of Income Tax Expense

Income tax expense for the years ended December 31, 2020, 2021 and 2022 consists of:

	For the year ended December 31,
	2020			2021		2022		2022
	RMB			RMB		RMB		US$
Current income tax expense		65,255			78,010		53,944		7,821
Deferred income tax (benefit)/expense		(41,979	)		18,535		30,056		4,358
		23,276			96,545		84,000		12,179

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,
	2020			2021			2022			2022
	RMB			RMB			RMB			US$
Income tax benefit at PRC statutory rate		(1,745,969	)		(1,502,997	)		(8,444	)		(1,224	)
Effect of differing tax rates in different jurisdictions		291,884			377,604			184,999			26,822
Non-deductible expenses		238,899			181,972			(119,094	)		(17,267	)
Research and development super-deduction		(159,919	)		(162,103	)		(115,975	)		(16,815	)
Effect of PRC preferential tax rates and tax holiday		281,437			269,585			23,564			3,416
Other adjustments		(73,027	)		(2,151	)		(41,940	)		(6,080	)
Change in valuation allowance		1,189,971			934,635			160,890			23,327
Income tax expense		23,276			96,545			84,000			12,179

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, 2021 and 2022 are as follows:

	As of December 31,
	2021			2022			2022
	RMB			RMB			US$
Deferred tax assets:
Accrued expenses and others		208,030			455,724			66,074
Bad debt provision		77,053			71,811			10,412
Net operating losses carried forward		1,756,698			1,737,385			251,897
Recorded cost relating to capitalized assets		3,902,201			3,799,494			550,875
Fixed assets depreciation		18,630			15,979			2,317
Valuation allowance		(5,876,461	)		(6,037,351	)		(875,334	)
Deferred tax assets, net		86,151			43,042			6,241
Deferred tax liabilities:
Long-lived assets arising from acquisitions		57,927			44,874			6,507

	As of December 31,
	2021		2022		2022
	RMB		RMB		US$
Classification in the consolidated balance sheets:
Deferred tax assets, net		31,351		—		—
Deferred tax liabilities		3,127		1,832		266