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Acquisitions	3 Months Ended
Acquisitions	Mar. 31, 2026
Business Combination [Abstract]
Acquisitions	Acquisitions Liberty Mutual's P&C Insurance Business in Vietnam We completed the acquisition of Liberty Insurance in Vietnam on February 2, 2026. The results of operations for Liberty Insurance in Vietnam are reported in our Overseas General Insurance segment and are not material to Chubb's financial results.