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Organization and principal activities - Company principal subsidiaries and consolidated VIE (Details) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Tuya (HK) Limited |  |
Variable Interest Entity [Line Items] |  |
Percentage of direct or indirect ownership | 100.00% | 100.00%
Hangzhou Tuya Information Technology Co., Ltd. |  |
Variable Interest Entity [Line Items] |  |
Percentage of direct or indirect ownership | 100.00% | 100.00%
Tuya Smart Inc. |  |
Variable Interest Entity [Line Items] |  |
Percentage of direct or indirect ownership | 100.00% | 100.00%
Tuya Global Inc. |  |
Variable Interest Entity [Line Items] |  |
Percentage of direct or indirect ownership | 100.00% | 100.00%
Tuya smart (India) Private Limited |  |
Variable Interest Entity [Line Items] |  |
Percentage of direct or indirect ownership | 100.00% | 100.00%
Tuya smart (Colombia) S.A.S |  |
Variable Interest Entity [Line Items] |  |
Percentage of direct or indirect ownership | 100.00% | 100.00%
Tuya GmbH |  |
Variable Interest Entity [Line Items] |  |
Percentage of direct or indirect ownership | 100.00% | 100.00%
Tuya Japan Co., Ltd. |  |
Variable Interest Entity [Line Items] |  |
Percentage of direct or indirect ownership | 100.00% | 100.00%
Zhejiang Tuya Smart Electronics Co., Ltd. |  |
Variable Interest Entity [Line Items] |  |
Percentage of direct or indirect ownership | 100.00% | 100.00%
Hangzhou Tuya Technology Co., Ltd. |  |
Variable Interest Entity [Line Items] |  |
Economic interest held | 100.00% | 100.00%

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