Organization and Nature of Operations - Balance sheet (Details)
¥ in Thousands, $ in Thousands
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Feb. 28, 2022
CNY (¥)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Current assets:          
Cash and cash equivalents ¥ 38,478,016 $ 5,578,788   ¥ 27,854,224  
Restricted cash 1,940,142 281,294   2,638,840  
Time deposits and short-term investments 18,031,395 2,614,307   19,668,239  
Trade receivable, net of allowance for credit losses of RMB467, and RMB327 as of December 31, 2021 and 2022, respectively 48,381 7,015   120,541  
Inventories 6,804,693 986,588   1,617,890  
Prepayments and other current assets 1,689,860 245,007   480,680  
Total current assets 66,992,487 9,712,999   52,380,414  
Non-current assets:          
Long-term investments 1,484,491 215,231   156,306  
Property, plant and equipment, net 11,187,898 1,622,093   4,498,269  
Operating lease right-of-use assets, net 3,538,911 513,094   2,061,492  
Intangible assets, net 832,620 120,719   751,460  
Other noncurrent assets, net of allowance for credit losses of RMB3,757, and RMB4,572 as of December 31, 2021 and 2022, respectively 2,421,293 351,054   1,981,076  
Total non-current assets 19,545,464 2,833,826   9,468,499  
Total assets 86,537,951 12,546,825   61,848,913  
Current liabilities:          
Short-term borrowings 390,750 56,653   37,042  
Trade and notes payable 20,024,329 2,903,255   9,376,050  
Amounts due to related parties 7,190 1,042   37,455  
Operating lease liabilities, current 696,454 100,976   473,245  
Deferred revenue, current 569,234 82,531   305,092 ¥ 271,510
Accruals and other current liabilities 5,684,644 824,198   1,879,368  
Total current liabilities 27,372,601 3,968,655   12,108,252  
Noncurrent liabilities:          
Long-term borrowings 9,230,807 1,338,341 ¥ 790,000 5,960,899  
Deferred revenue, noncurrent 581,598 84,324   389,653 ¥ 135,658
Operating lease liabilities, noncurrent 1,946,367 282,197   1,369,825  
Deferred tax liabilities, non-current 77,809 11,281   153,723  
Other noncurrent liabilities 2,142,462 310,628   802,259  
Total noncurrent liabilities 13,979,043 2,026,771   8,676,359  
Total liabilities 41,351,644 5,995,426   20,784,611  
Total shareholders' equity 44,858,701 6,503,901   41,064,302  
Total liabilities and shareholders' equity 86,537,951 $ 12,546,825   61,848,913  
VIEs and VIEs' subsidiaries          
Current assets:          
Cash and cash equivalents 18,529,655     5,311,800  
Restricted cash 977,346     2,415,941  
Time deposits and short-term investments 8,344,332     8,326,541  
Trade receivable, net of allowance for credit losses of RMB467, and RMB327 as of December 31, 2021 and 2022, respectively       103,056  
Amounts due from the Group companies 37,885,882     23,402,104  
Inventories 254     1,396,992  
Prepayments and other current assets 168,160     220,402  
Total current assets 65,905,629     41,176,836  
Non-current assets:          
Long-term investments 142,539     97,854  
Property, plant and equipment, net 101,577     2,329,507  
Operating lease right-of-use assets, net 693,111     731,874  
Intangible assets, net 740,570     703,274  
Other noncurrent assets, net of allowance for credit losses of RMB3,757, and RMB4,572 as of December 31, 2021 and 2022, respectively 583,967     1,107,674  
Total non-current assets 2,261,764     4,970,183  
Total assets 68,167,393     46,147,019  
Current liabilities:          
Short-term borrowings       31,547  
Trade and notes payable 1,323,196     8,547,181  
Amounts due to the Group companies 60,539,514     31,999,140  
Amounts due to related parties 23     1,277  
Operating lease liabilities, current 40,707     80,606  
Accruals and other current liabilities 334,333     515,036  
Total current liabilities 62,237,773     41,174,787  
Noncurrent liabilities:          
Long-term borrowings 500,000     479,453  
Deferred revenue, noncurrent       8,704  
Operating lease liabilities, noncurrent 738,673     719,628  
Deferred tax liabilities, non-current 2,979     153,723  
Other noncurrent liabilities 7,720     14,333  
Total noncurrent liabilities 1,249,372     1,375,841  
Total liabilities 63,487,145     42,550,628  
Total shareholders' equity 4,680,248     3,596,391  
Total liabilities and shareholders' equity ¥ 68,167,393     ¥ 46,147,019