Equity (Details)					3 Months Ended	9 Months Ended			24 Months Ended		27 Months Ended
Equity (Details)	Sep. 22, 2025 $ / shares shares	Sep. 19, 2025 shares	Oct. 09, 2024 USD ($) $ / shares shares	Oct. 04, 2024	Dec. 31, 2025 USD ($) $ / shares shares	Dec. 31, 2025 USD ($) $ / shares shares	Dec. 31, 2025 HKD ($) shares	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 HKD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 HKD ($)	Oct. 01, 2025 $ / shares	Mar. 31, 2025 $ / shares shares	Oct. 07, 2024 $ / shares shares	Apr. 05, 2024 shares
Equity [Line Items]
Common stock, shares authorized					700,000,000	700,000,000								700,000,000
Common stock, par value (in Dollars per share) \| $ / shares					$ 0.0001	$ 0.0001								$ 0.0001
Common stock shares issued					8,636,186	8,636,186								8,577,583
Aggregate redemption value (in Dollars) \| $					$ 6,013.5	$ 6,013.5
Equity to temporary equity						(6,013,500)	(6,013,500)
Carrying value of additional paid-in capital (in Dollars) \| $						$ 812,851
Common stock shares outstanding					8,636,186	8,636,186								8,577,583
Reverse stock split		1-for-34
Amount of paid-up share capital						$ 64,103	$ 500,000				$ 12,821	$ 100,000
Net asset of not less than amount						$ 64,103	$ 500,000		$ 38,462	$ 300,000
2025 Reverse Stock Split [Member]
Equity [Line Items]
Common stock shares issued		34
Common stock shares outstanding		34
Preferred Stock [Member]
Equity [Line Items]
Preferred stock, shares issued
Equity to temporary equity					6,013,500	6,013,500	6,013,500
Preferred stock, shares outstanding
Mr. Zheng [Member]
Equity [Line Items]
Redemption share price (in Dollars per share) \| $ / shares			$ 0.1		$ 0.001	$ 0.001
Mr. Zheng [Member] \| Securities Subscription Agreement [Member]
Equity [Line Items]
Outstanding principal amount (in Dollars) \| $			$ 600,000
Minimum [Member]
Equity [Line Items]
Preferred stock, shares authorized															2,000,000
Common stock shares issued					29,156,393	29,156,393										29,156,393
Common stock shares outstanding					29,156,393	29,156,393										29,156,393
Minimum [Member] \| 2025 Reverse Stock Split [Member]
Equity [Line Items]
Common stock shares issued		8,577,679
Common stock shares outstanding		8,577,679
Maximum [Member]
Equity [Line Items]
Preferred stock, shares authorized															10,000,000
Common stock shares issued					291,563,930	291,563,930										291,563,930
Common stock shares outstanding					291,563,930	291,563,930										291,563,930
Maximum [Member] \| 2025 Reverse Stock Split [Member]
Equity [Line Items]
Common stock shares issued		291,563,930
Common stock shares outstanding		291,563,930
Preferred Stock [Member]
Equity [Line Items]
Common stock, par value (in Dollars per share) \| $ / shares					$ 0.0001	$ 0.0001
Preferred stock, shares authorized					30,000,000	30,000,000
Preferred stock, par value (in Dollars per share) \| $ / shares					$ 0.0001	$ 0.0001
Common Stock [Member]
Equity [Line Items]
Common stock shares issued	8,636,186				8,636,186	8,636,186
Common stock voting rights				100
Common stock shares outstanding	8,636,186
Series B Preferred Stock [Member]
Equity [Line Items]
Preferred stock, shares authorized					10,000,000	10,000,000								10,000,000
Preferred stock, par value (in Dollars per share) \| $ / shares					$ 0.0001	$ 0.0001								$ 0.0001	$ 0.0001
Preferred stock, shares issued					6,013,500	6,013,500								6,013,500
Shares issued			6,000,000
Carrying value of additional paid-in capital (in Dollars) \| $						$ 812,851
Preferred stock, shares outstanding					6,013,500	6,013,500								6,013,500
Series B Preferred Stock [Member] \| Mr. Zheng [Member] \| Shareholder Agreement [Member]
Equity [Line Items]
Redemption share price (in Dollars per share) \| $ / shares													$ 0.001
Series B Preferred Stock [Member] \| Mr. Zheng [Member] \| Business Combination [Member] \| Shareholder Agreement [Member]
Equity [Line Items]
Voting rights percentage													50.00%
Series C Preferred Stock [Member]
Equity [Line Items]
Preferred stock, shares authorized					10,000,000	10,000,000								10,000,000
Preferred stock, par value (in Dollars per share) \| $ / shares					$ 0.0001	$ 0.0001								$ 0.0001
Common stock shares issued
Preferred stock, shares issued														531,886
Convertible preferred stock	58,507
Adjusted conversion rate (in Dollars per share) \| $ / shares	$ 0.11
Preferred stock, shares outstanding														531,886
Common stock shares outstanding
Series C Preferred Stock [Member] \| Mr. Zheng [Member]
Equity [Line Items]
Convertible preferred stock	531,886

QDM International Inc. 10-Q