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

No definition available.

+ Details

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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- 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

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=123419778&loc=SL6759159-111685

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GENERAL INFORMATION, ORGANIZATION AND PRINCIPAL ACTIVITIES (Details)	12 Months Ended
	Dec. 31, 2019	Sep. 30, 2022	Jun. 30, 2022	Dec. 18, 2007
"Futu Securities" or the "Operating Company"
ORGANIZATION AND PRINCIPAL ACTIVITIES
Percentage of Direct or Indirect Economic Interest, Subsidiaries		100.00%
Percentage of Direct or Indirect Economic Interest, VIE's and Subsidiaries of VIE's	100.00%
Attributable equity interest of the Group	100.00%
Futu Securities (Hong Kong) Limited
ORGANIZATION AND PRINCIPAL ACTIVITIES
Percentage of Direct or Indirect Economic Interest, Subsidiaries		100.00%
Percentage of Direct or Indirect Economic Interest, VIE's and Subsidiaries of VIE's	100.00%
Attributable equity interest of the Group	100.00%
Futu Network Technology Limited
ORGANIZATION AND PRINCIPAL ACTIVITIES
Percentage of Direct or Indirect Economic Interest, Subsidiaries		100.00%
Percentage of Direct or Indirect Economic Interest, VIE's and Subsidiaries of VIE's	100.00%
Attributable equity interest of the Group	100.00%
Futu Network Technology (Shenzhen) Co., Ltd
ORGANIZATION AND PRINCIPAL ACTIVITIES
Percentage of Direct or Indirect Economic Interest, Subsidiaries		100.00%
Percentage of Direct or Indirect Economic Interest, VIE's and Subsidiaries of VIE's	100.00%
Attributable equity interest of the Group	100.00%
Shen Si
ORGANIZATION AND PRINCIPAL ACTIVITIES
Percentage of Direct or Indirect Economic Interest, Subsidiaries		100.00%
Percentage of Direct or Indirect Economic Interest, VIE's and Subsidiaries of VIE's	100.00%
Attributable equity interest of the Group	100.00%
Futu Inc
ORGANIZATION AND PRINCIPAL ACTIVITIES
Percentage of Direct or Indirect Economic Interest, VIE's and Subsidiaries of VIE's	100.00%
Attributable equity interest of the Group	100.00%
Shenzhen Futu
ORGANIZATION AND PRINCIPAL ACTIVITIES
Percentage of Direct or Indirect Economic Interest, Subsidiaries		100.00%
Percentage of Direct or Indirect Economic Interest, VIE's and Subsidiaries of VIE's	100.00%
Attributable equity interest of the Group	100.00%
Futu Clearing Inc.
ORGANIZATION AND PRINCIPAL ACTIVITIES
Percentage of Direct or Indirect Economic Interest, Subsidiaries		100.00%
Percentage of Direct or Indirect Economic Interest, VIE's and Subsidiaries of VIE's	100.00%
Attributable equity interest of the Group	100.00%
Futu Singapore Pte. Ltd
ORGANIZATION AND PRINCIPAL ACTIVITIES
Percentage of Direct or Indirect Economic Interest, Subsidiaries		100.00%
Percentage of Direct or Indirect Economic Interest, VIE's and Subsidiaries of VIE's	100.00%
Attributable equity interest of the Group	100.00%
Futu Securities (Australia) Ltd.
ORGANIZATION AND PRINCIPAL ACTIVITIES
Percentage of Direct or Indirect Economic Interest, Subsidiaries		100.00%
Percentage of Direct or Indirect Economic Interest, VIE's and Subsidiaries of VIE's	100.00%
Attributable equity interest of the Group	100.00%
Shenzhen Futu
ORGANIZATION AND PRINCIPAL ACTIVITIES
Percentage of equity interest (as a percent)			15.00%
Mr. Leaf Hua Li \| Shenzhen Futu
ORGANIZATION AND PRINCIPAL ACTIVITIES
Percentage of equity interest (as a percent)			85.00%	85.00%
Ms. Lei Li \| Shenzhen Futu
ORGANIZATION AND PRINCIPAL ACTIVITIES
Percentage of equity interest (as a percent)				15.00%