v3.25.2
Document and Entity Information
 6 Months Ended
Jun. 30, 2025
shares
Cover [Abstract]  
Document Type 10-Q
Document Quarterly Report true
Document Period End Date Jun. 30, 2025
Document Transition Report false
Entity File Number 001-09518
Entity Incorporation, State or Country Code OH
Entity Tax Identification Number 34-0963169
Entity Address, Address Line One 300 North Commons Blvd.,
Entity Address, City or Town Mayfield Village,
Entity Address, State or Province OH
Entity Address, Postal Zip Code 44143
City Area Code 440
Local Phone Number 461-5000
Entity Information, Former Legal or Registered Name Not Applicable
Title of 12(b) Security Common Shares, $1.00 Par Value
Trading Symbol PGR
Security Exchange Name NYSE
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Large Accelerated Filer
Entity Small Business false
Entity Emerging Growth Company false
Entity Shell Company false
Entity Common Stock, Shares Outstanding 586,208,487
Entity Registrant Name PROGRESSIVE CORP/OH/
Entity Central Index Key 0000080661
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2025
Document Fiscal Period Focus Q2
Amendment Flag false