v3.26.1
Cover
12 Months Ended
Dec. 31, 2025
Document Information [Line Items]  
Document Type 11-K
Entity Registrant Name Travelers Companies, Inc.
Entity Central Index Key 0000086312
Amendment Flag false
EBP 002 [Member]  
Document Information [Line Items]  
Document Type 11-K
Entity Registrant Name Travelers Companies, Inc.
Entity Central Index Key 0000086312
Amendment Flag false