| Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Cash and Cash Equivalents, at Carrying Value | 13 | 62 | 60 | 40 | 35 | 32 |
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| Restricted Cash and Cash Equivalents, Current | 23 | 50 | 29 | 14 | 6 | 8 |
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| Short-term investments | - | - | - | - | 1 | 1 |
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| Contract with Customer, Asset, after Allowance for Credit Loss, Current | - | - | - | 7 | 6 | 10 |
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| Accounts receivable, net of allowances of RMB1,673 and RMB 2,153 as of December 31, 2023 and 2024, respectively | 26 | 36 | 122 | 36 | 25 | 22 |
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| Insurance premium receivables, net of allowances of RMB988 and RMB33 as of December 31, 2023 and 2024, respectively | 0 | 0 | 0 | 0 | 0 | 0 |
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| Amounts due from related parties | - | - | - | - | 0 | 0 |
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| Deferred costs | - | - | - | - | 1 | - |
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| Prepaid Expense and Other Assets, Current | 4 | 7 | 12 | 10 | 11 | 9 |
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| Total current assets | 66 | 155 | 223 | 109 | 85 | 82 |
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| Restricted cash | - | - | 7 | - | 4 | 4 |
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| Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent | - | - | - | 1 | 2 | 4 |
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| Property, plant and equipment, net | 1 | 2 | 8 | 6 | 8 | 6 |
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| Intangible assets, net | 0 | 0 | 3 | 8 | 7 | 9 |
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| Long-term investments | 3 | 7 | 11 | 11 | 11 | 9 |
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| Operating lease right-of-use assets | - | 41 | 39 | 24 | 16 | 3 |
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| Goodwill | - | 0 | 0 | 0 | 0 | 2 |
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| Other assets | 2 | 0 | 0 | 0 | 0 | 1 |
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| Total non-current assets | 7 | 50 | 69 | 49 | 48 | 39 |
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| Total assets | 73 | 205 | 291 | 158 | 133 | 121 |
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| Short-term Debt | 5 | 5 | 34 | 22 | 4 | 7 |
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| Accounts Payable, Current | 18 | 35 | 107 | 38 | 30 | 28 |
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| Accrued Insurance, Current | 18 | 29 | 19 | 4 | 5 | 8 |
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| Contract liabilities (including amounts of the consolidated VIE and its subsidiaries without recourse to the Company of RMB945 and RMB nil as of December 31, 2023 and 2024, respectively) | - | - | 1 | 1 | 0 | - |
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| Other Accounts Payable and Accrued Liabilities | 4 | 5 | 11 | 8 | 5 | 6 |
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| Employee-related Liabilities, Current | 6 | 10 | 15 | 6 | 8 | 6 |
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| Accrued Income Taxes, Current | 0 | 0 | 0 | 0 | 0 | 0 |
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| Operating Lease, Liability, Current | - | 2 | 2 | 1 | 2 | 2 |
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| Amounts due to related parties (including amounts of the consolidated VIE and its subsidiaries without recourse to the Company of RMB2,451 and RMB2,495 as of December 31, 2023 and 2024, respectively) | - | - | - | - | 0 | 0 |
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| Total current liabilities | 52 | 85 | 192 | 81 | 56 | 57 |
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| Deferred Tax and Other Liabilities, Noncurrent | - | 0 | 1 | 2 | 2 | 2 |
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| Operating Lease, Liability, Noncurrent | - | 39 | 39 | 26 | 18 | 3 |
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| Payroll and welfare payable | - | 1 | 0 | - | 0 | 0 |
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| Total non-current liabilities | 0 | 48 | 43 | 27 | 20 | 5 |
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| Total liabilities | 52 | 133 | 235 | 108 | 76 | 62 |
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| Common Class A | - | 0 | 0 | 0 | 0 | 0 |
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| Common Class B | - | 0 | 0 | 0 | 0 | 0 |
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| Common shares | 0 | - | - | - | - | - |
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| Treasury stock (46,867,940 shares and 50,414,900 shares as of December 31, 2023 and 2024, respectively) | - | 0 | 1 | 2 | 4 | 4 |
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| Additional paid-in capital | 9 | 136 | 141 | 131 | 128 | 125 |
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| Accumulated other comprehensive loss | 0 | -3 | -4 | -3 | -2 | -2 |
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| Accumulated deficit | -54 | -60 | -78 | -77 | -65 | -63 |
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| Total shareholders' equity attributable to Huize Holding Limited shareholders | -44 | 72 | 57 | 49 | 57 | 56 |
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| Non-controlling interests | - | - | 0 | 0 | 1 | 3 |
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| Total shareholders' equity | -44 | - | 57 | 50 | 58 | 59 |
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| Total liabilities and shareholders' equity | 73 | 205 | 291 | 158 | 133 | 121 |
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