Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000086312-24-000012-index-headers.html | 2024-02-15 06:57:30 | |
| 0000086312-24-000012-index.html | 2024-02-15 06:57:30 | |
| 0000086312-24-000012.txt | 2024-02-15 06:57:30 | |
 0000086312-24-000012-xbrl.zip | 1014194 | 2024-02-15 06:57:30 |
| a1030trv2024mcmoptionagree.htm | 199705 | 2024-02-15 06:57:30 |
| a1031trv2024restrictedstoc.htm | 198622 | 2024-02-15 06:57:30 |
| a1035trv2024mcmperfsharesa.htm | 219865 | 2024-02-15 06:57:30 |
| a1036trv2024boardofdirecto.htm | 13808 | 2024-02-15 06:57:30 |
| a971trvpolicyregardingreco.htm | 39230 | 2024-02-15 06:57:30 |
| FilingSummary.xml | 78223 | 2024-02-15 06:57:30 |
| Financial_Report.xlsx | 287158 | 2024-02-15 06:57:30 |
| MetaLinks.json | 1707840 | 2024-02-15 06:57:30 |
| R1.htm | 64753 | 2024-02-15 06:57:30 |
| R10.htm | 211044 | 2024-02-15 06:57:30 |
| R100.htm | 23755 | 2024-02-15 06:57:30 |
| R101.htm | 92174 | 2024-02-15 06:57:30 |
| R102.htm | 77584 | 2024-02-15 06:57:30 |
| R103.htm | 35515 | 2024-02-15 06:57:30 |
| R104.htm | 97853 | 2024-02-15 06:57:30 |
| R105.htm | 103470 | 2024-02-15 06:57:30 |
| R106.htm | 34594 | 2024-02-15 06:57:30 |
| R107.htm | 27632 | 2024-02-15 06:57:30 |
| R108.htm | 95158 | 2024-02-15 06:57:30 |
| R109.htm | 19107 | 2024-02-15 06:57:30 |
| R11.htm | 299754 | 2024-02-15 06:57:30 |
| R110.htm | 15656 | 2024-02-15 06:57:30 |
| R111.htm | 21830 | 2024-02-15 06:57:30 |
| R112.htm | 22223 | 2024-02-15 06:57:30 |
| R113.htm | 4402 | 2024-02-15 06:57:30 |
| R114.htm | 10742 | 2024-02-15 06:57:30 |
| R115.htm | 54767 | 2024-02-15 06:57:30 |
| R116.htm | 41899 | 2024-02-15 06:57:30 |
| R117.htm | 74540 | 2024-02-15 06:57:30 |
| R118.htm | 69169 | 2024-02-15 06:57:30 |
| R119.htm | 5684 | 2024-02-15 06:57:30 |
| R12.htm | 183463 | 2024-02-15 06:57:30 |
| R120.htm | 18061 | 2024-02-15 06:57:30 |
| R121.htm | 51734 | 2024-02-15 06:57:30 |
| R122.htm | 20897 | 2024-02-15 06:57:30 |
| R123.htm | 32225 | 2024-02-15 06:57:30 |
| R13.htm | 53922 | 2024-02-15 06:57:30 |
| R14.htm | 50173 | 2024-02-15 06:57:30 |
| R15.htm | 43791 | 2024-02-15 06:57:30 |
| R16.htm | 1045255 | 2024-02-15 06:57:30 |
| R17.htm | 67245 | 2024-02-15 06:57:30 |
| R18.htm | 19025 | 2024-02-15 06:57:30 |
| R19.htm | 118929 | 2024-02-15 06:57:30 |
| R2.htm | 7787 | 2024-02-15 06:57:30 |
| R20.htm | 31149 | 2024-02-15 06:57:30 |
| R21.htm | 104024 | 2024-02-15 06:57:30 |
| R22.htm | 77719 | 2024-02-15 06:57:30 |
| R23.htm | 361138 | 2024-02-15 06:57:30 |
| R24.htm | 41521 | 2024-02-15 06:57:30 |
| R25.htm | 11822 | 2024-02-15 06:57:30 |
| R26.htm | 5154 | 2024-02-15 06:57:30 |
| R27.htm | 126951 | 2024-02-15 06:57:30 |
| R28.htm | 110884 | 2024-02-15 06:57:30 |
| R29.htm | 46649 | 2024-02-15 06:57:30 |
| R3.htm | 80593 | 2024-02-15 06:57:30 |
| R30.htm | 36658 | 2024-02-15 06:57:30 |
| R31.htm | 15204 | 2024-02-15 06:57:30 |
| R32.htm | 8482 | 2024-02-15 06:57:30 |
| R33.htm | 98253 | 2024-02-15 06:57:30 |
| R34.htm | 212722 | 2024-02-15 06:57:30 |
| R35.htm | 301778 | 2024-02-15 06:57:30 |
| R36.htm | 170821 | 2024-02-15 06:57:30 |
| R37.htm | 53851 | 2024-02-15 06:57:30 |
| R38.htm | 41001 | 2024-02-15 06:57:30 |
| R39.htm | 78742 | 2024-02-15 06:57:30 |
| R4.htm | 39533 | 2024-02-15 06:57:30 |
| R40.htm | 1901486 | 2024-02-15 06:57:30 |
| R41.htm | 54284 | 2024-02-15 06:57:30 |
| R42.htm | 122282 | 2024-02-15 06:57:30 |
| R43.htm | 29367 | 2024-02-15 06:57:30 |
| R44.htm | 103186 | 2024-02-15 06:57:30 |
| R45.htm | 83010 | 2024-02-15 06:57:30 |
| R46.htm | 351366 | 2024-02-15 06:57:30 |
| R47.htm | 42089 | 2024-02-15 06:57:30 |
| R48.htm | 7639 | 2024-02-15 06:57:30 |
| R49.htm | 12908 | 2024-02-15 06:57:30 |
| R5.htm | 100728 | 2024-02-15 06:57:30 |
| R50.htm | 25505 | 2024-02-15 06:57:30 |
| R51.htm | 9577 | 2024-02-15 06:57:30 |
| R52.htm | 105794 | 2024-02-15 06:57:30 |
| R53.htm | 37412 | 2024-02-15 06:57:30 |
| R54.htm | 21833 | 2024-02-15 06:57:30 |
| R55.htm | 21438 | 2024-02-15 06:57:30 |
| R56.htm | 53314 | 2024-02-15 06:57:30 |
| R57.htm | 38619 | 2024-02-15 06:57:30 |
| R58.htm | 50358 | 2024-02-15 06:57:30 |
| R59.htm | 19379 | 2024-02-15 06:57:30 |
| R6.htm | 27517 | 2024-02-15 06:57:30 |
| R60.htm | 36180 | 2024-02-15 06:57:30 |
| R61.htm | 66293 | 2024-02-15 06:57:30 |
| R62.htm | 22090 | 2024-02-15 06:57:30 |
| R63.htm | 22090 | 2024-02-15 06:57:30 |
| R64.htm | 19945 | 2024-02-15 06:57:30 |
| R65.htm | 22015 | 2024-02-15 06:57:30 |
| R66.htm | 27122 | 2024-02-15 06:57:30 |
| R67.htm | 5901 | 2024-02-15 06:57:30 |
| R68.htm | 80066 | 2024-02-15 06:57:30 |
| R69.htm | 52148 | 2024-02-15 06:57:30 |
| R7.htm | 66242 | 2024-02-15 06:57:30 |
| R70.htm | 22744 | 2024-02-15 06:57:30 |
| R71.htm | 15152 | 2024-02-15 06:57:30 |
| R72.htm | 15217 | 2024-02-15 06:57:30 |
| R73.htm | 26416 | 2024-02-15 06:57:30 |
| R74.htm | 12185 | 2024-02-15 06:57:30 |
| R75.htm | 54899 | 2024-02-15 06:57:30 |
| R76.htm | 18231 | 2024-02-15 06:57:30 |
| R77.htm | 40545 | 2024-02-15 06:57:30 |
| R78.htm | 52434 | 2024-02-15 06:57:30 |
| R79.htm | 22992 | 2024-02-15 06:57:30 |
| R8.htm | 110723 | 2024-02-15 06:57:30 |
| R80.htm | 114391 | 2024-02-15 06:57:30 |
| R81.htm | 438005 | 2024-02-15 06:57:30 |
| R82.htm | 64981 | 2024-02-15 06:57:30 |
| R83.htm | 15721 | 2024-02-15 06:57:30 |
| R84.htm | 75616 | 2024-02-15 06:57:30 |
| R85.htm | 29452 | 2024-02-15 06:57:30 |
| R86.htm | 11466 | 2024-02-15 06:57:30 |
| R87.htm | 38635 | 2024-02-15 06:57:30 |
| R88.htm | 16169 | 2024-02-15 06:57:30 |
| R89.htm | 40295 | 2024-02-15 06:57:30 |
| R9.htm | 72186 | 2024-02-15 06:57:30 |
| R90.htm | 22329 | 2024-02-15 06:57:30 |
| R91.htm | 21543 | 2024-02-15 06:57:30 |
| R92.htm | 51535 | 2024-02-15 06:57:30 |
| R93.htm | 49774 | 2024-02-15 06:57:30 |
| R94.htm | 48214 | 2024-02-15 06:57:30 |
| R95.htm | 30415 | 2024-02-15 06:57:30 |
| R96.htm | 39201 | 2024-02-15 06:57:30 |
| R97.htm | 34121 | 2024-02-15 06:57:30 |
| R98.htm | 9146 | 2024-02-15 06:57:30 |
| R99.htm | 11489 | 2024-02-15 06:57:30 |
| report.css | 2768 | 2024-02-15 06:57:30 |
| Show.js | 1086 | 2024-02-15 06:57:30 |
| trv-12312023x10kxex211.htm | 61184 | 2024-02-15 06:57:30 |
| trv-12312023x10kxex231.htm | 3748 | 2024-02-15 06:57:30 |
| trv-12312023x10kxex241.htm | 25603 | 2024-02-15 06:57:30 |
| trv-12312023x10kxex311.htm | 9635 | 2024-02-15 06:57:30 |
| trv-12312023x10kxex312.htm | 9643 | 2024-02-15 06:57:30 |
| trv-12312023x10kxex321.htm | 5044 | 2024-02-15 06:57:30 |
| trv-12312023x10kxex322.htm | 5059 | 2024-02-15 06:57:30 |
| trv-20231231.htm | 6968688 | 2024-02-15 06:57:30 |
| trv-20231231.xsd | 118428 | 2024-02-15 06:57:30 |
| trv-20231231_cal.xml | 181593 | 2024-02-15 06:57:30 |
| trv-20231231_def.xml | 757702 | 2024-02-15 06:57:30 |
 trv-20231231_g1.jpg | 126366 | 2024-02-15 06:57:30 |
| trv-20231231_htm.xml | 8907389 | 2024-02-15 06:57:30 |
| trv-20231231_lab.xml | 1648252 | 2024-02-15 06:57:30 |
| trv-20231231_pre.xml | 1156529 | 2024-02-15 06:57:30 |