v3.25.3
Goodwill and Other Intangible Assets
 9 Months Ended
Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets GOODWILL AND OTHER INTANGIBLE ASSETS
Goodwill
The following table presents the carrying amount of the Company’s goodwill by segment. Each reportable segment includes goodwill associated with the Company’s international business which is subject to the impact of changes in foreign currency exchange rates.
(in millions)September 30,
2025		December 31,
2024
Business Insurance$2,601 $2,572 
Bond & Specialty Insurance838 834 
Personal Insurance806 801 
Other26 26 
Total$4,271 $4,233 
Other Intangible Assets

The following tables present a summary of the Company’s other intangible assets by major asset class.
(as of September 30, 2025, in millions)Gross
Carrying
Amount		Accumulated
Amortization		Net
Subject to amortization
Customer-related$186 $89 $97 
Contract-based204 198 6 
Marketing-related18 5 13 
Total subject to amortization408 292 116 
Not subject to amortization226 — 226 
Total$634 $292 $342 
(as of December 31, 2024, in millions)Gross
Carrying
Amount		Accumulated
Amortization		Net
Subject to amortization
Customer-related$185 $74 $111 
Contract-based204 196 8 
Marketing-related18 3 15 
Total subject to amortization407 273 134 
Not subject to amortization226 — 226 
Total$633 $273 $360