Accelerating Aon United Program (Tables)

3 Months Ended

Mar. 31, 2026

Restructuring and Related Activities [Abstract]

Schedule of Restructuring and Related Costs

Total Program costs incurred for the three months ended March 31, 2026 and 2025 are as follows (in millions):

	Three Months Ended March 31,
	2026		2025
Risk Capital	$	19	$	19
Human Capital	5		4
Corporate	68		87
Total	$	92	$	110

Schedule of Restructuring Liabilities for the Program

The changes in the Company’s liabilities for the Program as of March 31, 2026 are as follows (in millions):

	Technology and other		Workforce optimization		Asset impairments		Total
Liability balance as of December 31, 2025	$	39	$	108	$	—	$	147
Charges	62		29		1		92
Cash payments	(51)		(34)		—		(85)
Foreign currency translation and other	—		(1)		—		(1)
Non-cash charges (1)	—		8		(1)		7
Liability balance as of March 31, 2026	$	50	$	110	$	—	$	160
Total costs incurred from inception to date	$	397	$	484	$	100	$	981

(1)Charges reflect changes in accruals made in the current period.