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Goodwill and Other Intangible Assets | 9 Months Ended
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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 Insurance |  | 838 |  |  | 834 |
Personal Insurance |  | 806 |  |  | 801 |
Other |  | 26 |  |  | 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-based |  | 204 |  |  | 198 |  |  | 6 |
Marketing-related |  | 18 |  |  | 5 |  |  | 13 |
Total subject to amortization |  | 408 |  |  | 292 |  |  | 116 |
Not subject to amortization |  | 226 |  |  | — |  |  | 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-based |  | 204 |  |  | 196 |  |  | 8 |
Marketing-related |  | 18 |  |  | 3 |  |  | 15 |
Total subject to amortization |  | 407 |  |  | 273 |  |  | 134 |
Not subject to amortization |  | 226 |  |  | — |  |  | 226 |
Total |  | $ | 633 |  |  | $ | 273 |  |  | $ | 360 |

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- References No definition available. + Details
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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
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