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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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-Name Accounting Standards Codification
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-Topic 942
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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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No definition available.

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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
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Dividends - Additional Information (Details) $ / shares in Units, ¥ in Millions	1 Months Ended	4 Months Ended		8 Months Ended	12 Months Ended
	Apr. 30, 2025 USD ($)	Apr. 30, 2026 USD ($)	Apr. 30, 2026 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2025 USD ($) $ / shares	Dec. 31, 2025 CNY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 CNY (¥)
Dividends Payable [Line Items]
Dividends declared					$ 3,979,043,000		$ 1,155,225,000		$ 211,707,000
Dividend payable				$ 657,856,000	$ 657,856,000		212,960,000
Dividend declared per share \| $ / shares					$ 55
Cash dividend declared	$ 3,958,000,000
Payment of common stock dividend				3,300,000,000
Sinovac Beijing, Sinovac LS and Sinovac Dalian
Dividends Payable [Line Items]
Dividends declared							1,155,000,000	¥ 8,432
Sinovac Antigua's
Dividends Payable [Line Items]
Cash dividend declared	$ 658,000,000
Common Shares
Dividends Payable [Line Items]
Dividends declared					$ 0		0		0
Dividend payable				$ 658,000,000	658,000,000		0
Common Shares \| Sinovac Beijing, Sinovac LS and Sinovac Dalian
Dividends Payable [Line Items]
Dividends declared									$ 212,000,000	¥ 1,503
Payment of common stock dividend							$ 947,000,000	¥ 6,814
Common Shares \| Sinovac LS
Dividends Payable [Line Items]
Payment of common stock dividend					213,000,000	¥ 1,618
Common Shares \| Sinovac Beijing and Sinovac Dalian
Dividends Payable [Line Items]
Dividends declared					$ 21,000,000	¥ 146
Common Shares \| Forecast \| Sinovac Beijing and Sinovac Dalian
Dividends Payable [Line Items]
Dividends declared		$ 24,000,000	¥ 167