Accelerating Aon United Program (Tables)

3 Months Ended

Mar. 31, 2025

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Liabilities for the Program

The changes in the Company’s liabilities for the Program as of March 31, 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	56		51		3		110
Cash payments	(45)		(52)		—		(97)
Foreign currency translation and other	—		—		—		—
Non-cash charges (1)	(2)		(14)		(3)		(19)
Liability balance as of March 31, 2025	$	26	$	82	$	—	$	108
Total costs incurred from inception to date	$	196	$	351	$	87	$	634

(1)During the three months ended March 31, 2025, the Company recognized $2 million of accelerated ROU asset amortization or impairments due to the Company’s decision to exit certain leased properties as a result of the Program. The amounts are presented in Technology and other, where the corresponding liability is reflected within Other current liabilities and Non-current operating lease liabilities, which will ultimately be settled in cash.

Restructuring and Related Costs

Total Program costs incurred for the three months ended March 31, 2025 and 2024 are as follows (in millions):

	Three Months Ended March 31,
	2025		2024
Risk Capital	$	19	$	43
Human Capital	4		11
Corporate	87		65
Total	$	110	$	119