Restructuring Costs (Tables)

9 Months Ended

Sep. 30, 2025

Restructuring and Related Activities [Abstract]

Schedule of Restructuring and Related Costs Incurred

The Company incurred restructuring costs as follows:

	Three Months Ended September 30,				Nine Months Ended  September 30,
(In millions)	2025		2024		2025		2024
Risk and Insurance Services	$	20	$	22	$	51	$	73
Consulting	18		14		32		30
Corporate	8		18		13		37
Total	$	46	$	54	$	96	$	140

Schedule of Restructuring Activities

Details of the restructuring activity from January 1, 2024 through September 30, 2025, are as follows:

(In millions)	Severance		Real Estate Related Costs (a)		Information Technology		Consulting and Other Outside Services		Total
Liability at January 1, 2024	$	89	$	39	$	—	$	2	$	130
2024 charges	163		66		25		22		276
Cash payments	(177)		(45)		(24)		(24)		(270)
Non-cash charges	—		(18)		(1)		—		(19)
Liability at December 31, 2024	$	75	$	42	$	—	$	—	$	117
2025 charges	70		19		—		7		96
Cash payments	(101)		(30)		—		(7)		(138)
Non-cash charges	—		(2)		—		—		(2)
Liability at September 30, 2025	$	44	$	29	$	—	$	—	$	73

(a) Includes ROU and fixed asset impairments and other real estate related costs.