0000080661 2020-10-14 2020-10-14 false PROGRESSIVE CORP/OH/ 0000080661 8-K 2020-10-14 OH 001-09518 34-0963169 6300 Wilson Mills Road, Mayfield Village, OH 44143 440 461-5000 false false false false Common Stock, $1.00 Par Value PGR NYSE false