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Operations - Schedule of company's major subsidiaries, VIEs and subsidiaries of the VIEs (Details)

12 Months Ended

Dec. 31, 2024

Bilibili HK Limited | Major Subsidiaries [Member]

Company's major subsidiaries and VIEs

Place and Year of Incorporation

Hong Kong, 2014

Percentage of Direct or Indirect Economic Ownership

100.00%

Principal Activities

Investment holding

Hode HK Limited | Major Subsidiaries [Member]

Company's major subsidiaries and VIEs

Place and Year of Incorporation

Hong Kong, 2014

Percentage of Direct or Indirect Economic Ownership

100.00%

Principal Activities

Investment holding

Chaodian HK Limited | Major Subsidiaries [Member]

Company's major subsidiaries and VIEs

Place and Year of Incorporation

Hong Kong, 2019

Percentage of Direct or Indirect Economic Ownership

100.00%

Principal Activities

Investment holding

Bilibili Co., Ltd. | Major Subsidiaries [Member]

Company's major subsidiaries and VIEs

Place and Year of Incorporation

Japan, 2014

Percentage of Direct or Indirect Economic Ownership

100.00%

Principal Activities

Business development

Hode Shanghai Limited ("Hode Shanghai") | Major Subsidiaries [Member]

Company's major subsidiaries and VIEs

Place and Year of Incorporation

PRC, 2014

Percentage of Direct or Indirect Economic Ownership

100.00%

Principal Activities

Technology development

^[1]

Shanghai Bilibili Technology Co., Ltd | Major Subsidiaries [Member]

Company's major subsidiaries and VIEs

Place and Year of Incorporation

PRC, 2016

Percentage of Direct or Indirect Economic Ownership

100.00%

Principal Activities

Technology development

^[1]

Chaodian (Shanghai) Technology Co., Ltd. | Major Subsidiaries [Member]

Company's major subsidiaries and VIEs

Place and Year of Incorporation

PRC, 2019

Percentage of Direct or Indirect Economic Ownership

100.00%

Principal Activities

E-commerce and advertising

^[1]

Shanghai Hode Information Technology Co., Ltd. ("Hode Information Technology") | Major VIEs and VIEs' subsidiaries

Company's major subsidiaries and VIEs

Place and Year of Incorporation

PRC, 2013

Percentage of Direct or Indirect Economic Interest

100.00%

^[2]

Principal Activities

Mobile game operation

^[3]

Shanghai Kuanyu Digital Technology Co., Ltd. ("Shanghai Kuanyu"). | Major VIEs and VIEs' subsidiaries

Company's major subsidiaries and VIEs

Place and Year of Incorporation

PRC, 2014

Percentage of Direct or Indirect Economic Interest

100.00%

^[2]

Principal Activities

Video distribution and game distribution

^[3]

Sharejoy Network Technology Co., Ltd. ("Sharejoy Network") | Major VIEs and VIEs' subsidiaries

Company's major subsidiaries and VIEs

Place and Year of Incorporation

PRC, 2014

Percentage of Direct or Indirect Economic Interest

100.00%

^[2]

Principal Activities

Game distribution

^[3]

Shanghai Hehehe Culture Communication Co., Ltd. ("Shanghai Hehehe") | Major VIEs and VIEs' subsidiaries

Company's major subsidiaries and VIEs

Place and Year of Incorporation

PRC, 2014

Percentage of Direct or Indirect Economic Interest

100.00%

^[2]

Principal Activities

Comics distribution

^[3]

Shanghai Anime Tamashi Cultural Media Co., Ltd. ("Shanghai Anime Tamashi") | Major VIEs and VIEs' subsidiaries

Company's major subsidiaries and VIEs

Place and Year of Incorporation

PRC, 2015

Percentage of Direct or Indirect Economic Interest

100.00%

^[2]

Principal Activities

E-commerce platform

^[3]

[1]	These companies were established in the PRC in the form of wholly foreign-owned enterprises.
[2]	Hode Shanghai is the primary beneficiary of the major VIEs and VIEs’ subsidiaries.
[3]	These companies were established in the PRC in the form of investment solely by legal corporations or controlled by natural person(s).

X

- Definition

Entity incorporation state country name and date of incorporation.

+ References

No definition available.

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X

- Definition

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+ References

No definition available.

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- Definition

A description of the principal activities of an investee accounted for under the equity method.

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- Definition

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

+ References

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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
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481203/810-10-50-5A

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- Definition

Description of the transactions or business conducted by the Variable Interest Entity (VIE), including how the VIE is financed.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481203/810-10-50-5A

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 50
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 50
-Paragraph 6
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-Publisher FASB
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