XML 112 R88.htm IDEA: XBRL DOCUMENT v3.26.1

Cash Dividend (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
S 2023 dividends
Cash Dividend
Dividends payable, date declared			2023-05
Cash dividend declared (US$/share)			$ 0.85
Dividends payable, date of record			Jun. 26, 2023
Dividends paid			$ 200.1
Dividends payable, date to be paid			2023-07
S 2024 Dividends
Cash Dividend
Dividends payable, date declared		2024-03
Cash dividend declared (US$/share)		$ 0.82
Dividends payable, date of record		Apr. 12, 2024
Dividends paid		$ 199.4
Dividends payable, date to be paid		2024-05
Net special cash dividend paid		$ 194.4
O 2024 A Dividends
Cash Dividend
Dividends payable, date declared	2025-03
Cash dividend declared (US$/share)	$ 0.82
Dividends payable, date of record	Apr. 09, 2025
Dividends paid	$ 200.6
Dividends payable, date to be paid	2025-05
Net special cash dividend paid	$ 195.6
ADS | S 2023 dividends
Cash Dividend
Cash dividend declared (US$/share)			$ 0.85
ADS | S 2024 Dividends
Cash Dividend
Cash dividend declared (US$/share)		$ 0.82
ADS | O 2024 A Dividends
Cash Dividend
Cash dividend declared (US$/share)	$ 0.82

X

- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

+ Details

Name:	us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The month and year (YYYY-MM) that the dividend to be paid was declared.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

+ Details

Name:	us-gaap_DividendsPayableDateDeclaredMonthAndYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Date the holder must own the stock to be entitled to the dividend, in YYYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_DividendsPayableDateOfRecordDayMonthAndYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Date the declared dividend will be paid, in YYYY-MM format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

+ Details

Name:	us-gaap_DividendsPayableDateToBePaidMonthAndYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	instant

X

- 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

No definition available.

+ Details

Name:	us-gaap_DividendsPayableLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

Name:	us-gaap_PaymentsOfDividends
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Represents the net cash outflow for dividend payments after deducting amounts received from ADS borrowers related to dividends paid on borrowed American Depositary Shares, which are contractually returned to the company.

+ References

No definition available.

+ Details

Name:	wb_NetDividendsPaidAfterAdsBorrowerAdjustment
Namespace Prefix:	wb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_DividendsAxis=wb_S2023M5DividendsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=wb_S2024M3DividendsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=wb_O2024AdividendsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=dei_AdrMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: