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Organization and principal activities - Company principal subsidiaries and consolidated VIE (Details)	12 Months Ended
	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%

X

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 810
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481203/810-10-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 810
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 810
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-Section 45
-Paragraph 25
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-URI https://asc.fasb.org//1943274/2147481231/810-10-45-25

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
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-Publisher FASB
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
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-Section 50
-Paragraph 1A
-Subparagraph (b)(2)
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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

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