Accelerating Aon United Program (Tables)

6 Months Ended

Jun. 30, 2025

Restructuring and Related Activities [Abstract]

Schedule of Restructuring and Related Costs

Total Program costs incurred for the three and six months ended June 30, 2025 and 2024 are as follows (in millions):

	Three Months Ended June 30,				Six Months Ended June 30,
	2025		2024		2025		2024
Risk Capital	$	32	$	49	$	51	$	92
Human Capital	6		12		10		23
Corporate	56		71		143		136
Total	$	94	$	132	$	204	$	251

Schedule of Restructuring Liabilities for the Program

The changes in the Company’s liabilities for the Program as of June 30, 2025 are as follows (in millions):

	Technology and other		Workforce optimization		Asset impairments		Total
Liability balance as of December 31, 2024	$	17	$	97	$	—	$	114
Charges	100		100		4		204
Cash payments	(84)		(82)		—		(166)
Foreign currency translation and other	—		5		—		5
Non-cash charges	(2)		(17)		(4)		(23)
Liability balance as of June 30, 2025	$	31	$	103	$	—	$	134
Total costs incurred from inception to date	$	240	$	400	$	88	$	728