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Segment Information (Tables)

3 Months Ended

Mar. 31, 2025

Schedule of Segment Reporting Information, by Segment

The following table presents segment revenue, segment expenses and segment operating income for our reportable segments for the three months ended March 31, 2025 and 2024.


	Three Months Ended March 31,
	HWC				R&B				Total
	2025		2024		2025		2024		2025		2024
Segment revenue excluding interest income	$	1,158	$	1,327	$	1,005	$	950	$	2,163	$	2,277
Interest income		7		9		22		28		29		37
Total segment revenue		1,165		1,336		1,027		978		2,192		2,314

Other segment expense		823		969		791		763		1,614		1,732
Depreciation		31		31		10		12		41		43
Total segment expense		854		1,000		801		775		1,655		1,775

Segment operating income	$	311	$	336	$	226	$	203	$	537	$	539

Net Operating Income of the Reported Segments

The following table presents reconciliations of the information reported by segment to the Company’s condensed consolidated statements of comprehensive income amounts reported for the three months ended March 31, 2025 and 2024.


	Three Months Ended March 31,
	2025			2024
Revenue:
Total segment revenue	$	2,192		$	2,314
Reimbursable expenses and other		31			27
Revenue	$	2,223		$	2,341

Total segment operating income	$	537		$	539
Amortization		(48	)		(60	)
Restructuring costs (i)		—			(18	)
Transaction and transformation (ii)		—			(125	)
Unallocated, net (iii)		(57	)		(56	)
Income from operations		432			280
Interest expense		(65	)		(64	)
Other (loss)/income, net		(64	)		26
Income from operations before income taxes and interest in earnings of associates	$	303		$	242

(i)

Consists of costs associated with our Transformation program, which concluded during the fourth quarter of 2024.

(ii)

In addition to legal fees and other transaction costs, includes primarily consulting fees related to the Transformation program (see Note 6 — Restructuring Costs).

(iii)

Includes certain costs, primarily related to corporate functions which are not directly related to the segments, and certain differences between budgeted expenses determined at the beginning of the year and actual expenses that we report for U.S. GAAP purposes.

Revenue and Tangible Long-lived Assets by Geographical Areas

Below are our revenue (on the basis of where the work was performed) and tangible long-lived assets for Ireland, our country of domicile, countries with significant concentrations and all other foreign countries as of and for the periods ended as indicated:


	Revenue				Long-Lived Assets (i)
	Three months ended March 31,				March 31,		December 31,
	2025		2024		2025		2024
Ireland	$	35	$	35	$	8	$	8

United States		932		1,101		294		307
United Kingdom		451		424		500		490
Rest of World		805		781		352		341
Total Foreign Countries		2,188		2,306		1,146		1,138
	$	2,223	$	2,341	$	1,154	$	1,146

(i)

Tangible long-lived assets consist of fixed assets and right-of-use (‘ROU’) assets.