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Earnings/(Loss) Per Share (Tables)

9 Months Ended

Sep. 30, 2025

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Earnings/(Loss) Per Share

Basic and diluted earnings/(loss) per share are as follows:

		Three Months Ended September 30,								Nine Months Ended September 30,
		2025				2024				2025				2024
Net income/(loss) attributable to WTW		$	304			$	(1,675	)		$	870			$	(1,344	)
Basic average number of shares outstanding			98				102				99				103
Dilutive effect of potentially issuable shares			—				—				1				—
Diluted average number of shares outstanding			98				102				100				103
Basic earnings/(loss) per share		$	3.12			$	(16.44	)		$	8.80			$	(13.11	)
Dilutive effect of potentially issuable shares			(0.01	)			—				(0.06	)			—
Diluted earnings/(loss) per share		$	3.11			$	(16.44	)		$	8.74			$	(13.11	)

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- References

No definition available.

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

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