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Parent Company Only Condensed Financial Information - Condensed Statements of Comprehensive Loss (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥)
Operating expenses: |  |  |  |
Total operating costs and expenses | ¥ 26,451,146 | $ 4,150,762 | ¥ 14,497,967 | ¥ 5,621,447
Loss from operations | (6,330,020) | (993,318) | (3,162,180) | (1,741,335)
Interest income | 45,324 | 7,112 | 16,244 | 25,486
Interest expenses | 85,151 | 13,362 | 38,758 | 58,130
Other expenses | 57,785 | 9,068 | 48,696 | 3,146
Changes in fair value of warrant liabilities | (44,500) | (7,000) | (11,500) |
Net loss | (6,429,059) | (1,008,860) | (3,176,914) | (1,873,383)
Accretion of redeemable convertible preferred shares | (288,400) | (45,300) | (320,301) | (74,558)
Deemed dividend | 0 | 0 | 0 | (46,168)
Net loss attributable to ordinary shareholders | (6,717,439) | (1,054,113) | (3,497,215) | (1,994,109)
Other comprehensive income/(loss), net of tax of nil: |  |  |  |
Foreign currency translation adjustments | (161,281) | (25,308) | (53,370) | 30,409
Comprehensive loss | (6,590,340) | (1,034,168) | (3,230,284) | (1,842,974)
Comprehensive loss attributable to ordinary shareholders | (6,878,720) | (1,079,421) | (3,550,585) | (1,963,700)
Parent Company [Member] |  |  |  |
Operating expenses: |  |  |  |
General and administrative expenses | (271,436) | (42,594) | (142,186) | 375
Total operating costs and expenses | (271,436) | (42,594) | (142,186) | 375
Loss from operations | (271,436) | (42,594) | (142,186) | 375
Interest income | 8,611 | 1,351 | 7,699 | 24,423
Interest expenses | 0 | 0 | (21,334) | (39,477)
Other expenses | 0 | 0 | (29,141) | 0
Changes in fair value of warrant liabilities | (44,457) | (6,976) | 11,450 | (100,672)
Share of losses in subsidiaries | (6,121,777) | (960,641) | (3,003,402) | (1,758,032)
Net loss | (6,429,059) | (1,008,860) | (3,176,914) | (1,873,383)
Accretion of redeemable convertible preferred shares | (288,380) | (45,253) | (320,301) | (74,558)
Deemed dividend | 0 | 0 | 0 | (46,168)
Net loss attributable to ordinary shareholders | (6,717,439) | (1,054,113) | (3,497,215) | (1,994,109)
Other comprehensive income/(loss), net of tax of nil: |  |  |  |
Foreign currency translation adjustments | (161,281) | (25,308) | (53,370) | 30,409
Comprehensive loss | (6,590,340) | (1,034,168) | (3,230,284) | (1,842,974)
Comprehensive loss attributable to ordinary shareholders | ¥ (6,878,720) | $ (1,079,421) | ¥ (3,550,585) | ¥ (1,963,700)

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