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v3.23.1

Summary of Significant Accounting Policies - Additional Information (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 CNY (¥) segment | Dec. 31, 2022 USD ($) segment | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2022 USD ($)
Functional currency and foreign currency translation |  |  |  |  |
Foreign currency translation adjustment | ¥ 717,274 | $ 103,995 | ¥ (230,345) | ¥ 137,596 |
Exchange rate (RMB per USD 1.00) | 6.8972 |  |  |  | 6.8972
Short-term investment |  |  |  |  |
Short-term investments | ¥ 19,171,017 |  | 37,057,554 |  | $ 2,779,536
Restricted as collateral for bank borrowings and letter of guarantee | 12,259,459 |  | 6,646,299 |  |
Carrying value of the investment | 1,648,861 |  | 680,723 |  |
Fair value changes were recorded in other comprehensive income | ¥ 746,336 |  | ¥ 24,224 |  |
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] | Other Comprehensive Income (Loss), Net of Tax | Other Comprehensive Income (Loss), Net of Tax | Other Comprehensive Income (Loss), Net of Tax |  |
Fair value changes were recorded in other comprehensive income | ¥ 746,336 | $ 108,209 | ¥ 24,224 |  |
Current expected credit losses |  |  |  |  |
Expected credit loss expense | 48,707 |  | 54,332 | 9,654 |
Expected credit loss provision - current | 50,415 |  | 42,040 |  |
Expected credit loss provision - non-current | 89,641 |  | 49,309 |  |
Long-term investments |  |  |  |  |
Impairment recognized, long term investments | 0 |  | 0 | 0 |
Impairment recognized, long-lived assets | 35,011 | $ 5,076 | 0 | 25,757 |
Sales and marketing expenses |  |  |  |  |
Advertising costs | 815,619 |  | 529,057 | 266,569 |
Employee benefits |  |  |  |  |
Employee benefit expenses | 1,578,273 |  | 761,417 | 366,223 |
Dividends |  |  |  |  |
Dividends | ¥ 0 |  | 0 | ¥ 0 |
Segment reporting |  |  |  |  |
Number of segments | segment | 1 | 1 |  |  |
Derivatives and Hedging |  |  |  |  |
Changes in fair value of the derivatives | ¥ 668,051 |  | 228,887 |  |
Fair Value, Inputs, Level 2 |  |  |  |  |
Short-term investment |  |  |  |  |
Short-term investments | 12,781,060 |  | 27,773,387 |  |
Fair Value, Inputs, Level 3 |  |  |  |  |
Short-term investment |  |  |  |  |
Carrying value of the investment | ¥ 1,648,861 |  | ¥ 680,723 |  |

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