Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000022356-18-000015-index-headers.html | 2018-02-22 13:56:31 | |
| 0000022356-18-000015-index.html | 2018-02-22 13:56:31 | |
| 0000022356-18-000015.txt | 2018-02-22 13:56:31 | |
 0000022356-18-000015-xbrl.zip | 672606 | 2018-02-22 13:56:31 |
 bracketsymbola05.jpg | 2624 | 2018-02-22 13:56:31 |
| cbsh-20171231.xml | 6530836 | 2018-02-22 13:56:31 |
| cbsh-20171231.xsd | 176484 | 2018-02-22 13:56:31 |
| cbsh-20171231_cal.xml | 241833 | 2018-02-22 13:56:31 |
| cbsh-20171231_def.xml | 692507 | 2018-02-22 13:56:31 |
| cbsh-20171231_lab.xml | 1761023 | 2018-02-22 13:56:31 |
| cbsh-20171231_pre.xml | 1073702 | 2018-02-22 13:56:31 |
| cbsh1231201710k.htm | 5373409 | 2018-02-22 13:56:31 |
| cbsh12312017ex21.htm | 16307 | 2018-02-22 13:56:31 |
| cbsh12312017ex23.htm | 3762 | 2018-02-22 13:56:31 |
| cbsh12312017ex24.htm | 6850 | 2018-02-22 13:56:31 |
| cbsh12312017ex311.htm | 10667 | 2018-02-22 13:56:31 |
| cbsh12312017ex312.htm | 10602 | 2018-02-22 13:56:31 |
| cbsh12312017ex32.htm | 9026 | 2018-02-22 13:56:31 |
 chart-87cad14c0b0d542a983.jpg | 52353 | 2018-02-22 13:56:31 |
| FilingSummary.xml | 96294 | 2018-02-22 13:56:31 |
| Financial_Report.xlsx | 224907 | 2018-02-22 13:56:31 |
 kpmga01a01a05.gif | 1418 | 2018-02-22 13:56:31 |
| R1.htm | 28413 | 2018-02-22 13:56:31 |
| R10.htm | 397358 | 2018-02-22 13:56:31 |
| R100.htm | 43187 | 2018-02-22 13:56:31 |
| R101.htm | 22876 | 2018-02-22 13:56:31 |
| R102.htm | 36693 | 2018-02-22 13:56:31 |
| R103.htm | 15494 | 2018-02-22 13:56:31 |
| R104.htm | 8318 | 2018-02-22 13:56:31 |
| R105.htm | 37692 | 2018-02-22 13:56:31 |
| R106.htm | 40049 | 2018-02-22 13:56:31 |
| R107.htm | 24842 | 2018-02-22 13:56:31 |
| R108.htm | 15082 | 2018-02-22 13:56:31 |
| R109.htm | 37913 | 2018-02-22 13:56:31 |
| R11.htm | 299844 | 2018-02-22 13:56:31 |
| R110.htm | 18639 | 2018-02-22 13:56:31 |
| R111.htm | 13790 | 2018-02-22 13:56:31 |
| R112.htm | 6357 | 2018-02-22 13:56:31 |
| R113.htm | 64361 | 2018-02-22 13:56:31 |
| R114.htm | 9077 | 2018-02-22 13:56:31 |
| R115.htm | 63486 | 2018-02-22 13:56:31 |
| R116.htm | 43618 | 2018-02-22 13:56:31 |
| R117.htm | 14103 | 2018-02-22 13:56:31 |
| R118.htm | 32520 | 2018-02-22 13:56:31 |
| R119.htm | 26457 | 2018-02-22 13:56:31 |
| R12.htm | 18719 | 2018-02-22 13:56:31 |
| R120.htm | 106958 | 2018-02-22 13:56:31 |
| R121.htm | 6008 | 2018-02-22 13:56:31 |
| R122.htm | 18692 | 2018-02-22 13:56:31 |
| R123.htm | 26099 | 2018-02-22 13:56:31 |
| R124.htm | 23733 | 2018-02-22 13:56:31 |
| R125.htm | 55922 | 2018-02-22 13:56:31 |
| R126.htm | 7220 | 2018-02-22 13:56:31 |
| R127.htm | 36530 | 2018-02-22 13:56:31 |
| R128.htm | 44451 | 2018-02-22 13:56:31 |
| R129.htm | 25367 | 2018-02-22 13:56:31 |
| R13.htm | 86222 | 2018-02-22 13:56:31 |
| R130.htm | 23901 | 2018-02-22 13:56:31 |
| R131.htm | 10671 | 2018-02-22 13:56:31 |
| R132.htm | 37293 | 2018-02-22 13:56:31 |
| R133.htm | 12057 | 2018-02-22 13:56:31 |
| R134.htm | 28630 | 2018-02-22 13:56:31 |
| R135.htm | 40319 | 2018-02-22 13:56:31 |
| R136.htm | 39201 | 2018-02-22 13:56:31 |
| R137.htm | 68848 | 2018-02-22 13:56:31 |
| R14.htm | 33844 | 2018-02-22 13:56:31 |
| R15.htm | 21563 | 2018-02-22 13:56:31 |
| R16.htm | 107170 | 2018-02-22 13:56:31 |
| R17.htm | 184432 | 2018-02-22 13:56:31 |
| R18.htm | 69796 | 2018-02-22 13:56:31 |
| R19.htm | 67491 | 2018-02-22 13:56:31 |
| R2.htm | 94237 | 2018-02-22 13:56:31 |
| R20.htm | 128625 | 2018-02-22 13:56:31 |
| R21.htm | 64911 | 2018-02-22 13:56:31 |
| R22.htm | 112510 | 2018-02-22 13:56:31 |
| R23.htm | 285157 | 2018-02-22 13:56:31 |
| R24.htm | 106628 | 2018-02-22 13:56:31 |
| R25.htm | 154523 | 2018-02-22 13:56:31 |
| R26.htm | 72742 | 2018-02-22 13:56:31 |
| R27.htm | 39227 | 2018-02-22 13:56:31 |
| R28.htm | 30841 | 2018-02-22 13:56:31 |
| R29.htm | 130334 | 2018-02-22 13:56:31 |
| R3.htm | 23328 | 2018-02-22 13:56:31 |
| R30.htm | 109362 | 2018-02-22 13:56:31 |
| R31.htm | 399109 | 2018-02-22 13:56:31 |
| R32.htm | 299100 | 2018-02-22 13:56:31 |
| R33.htm | 15708 | 2018-02-22 13:56:31 |
| R34.htm | 86667 | 2018-02-22 13:56:31 |
| R35.htm | 33386 | 2018-02-22 13:56:31 |
| R36.htm | 18465 | 2018-02-22 13:56:31 |
| R37.htm | 112391 | 2018-02-22 13:56:31 |
| R38.htm | 181891 | 2018-02-22 13:56:31 |
| R39.htm | 63378 | 2018-02-22 13:56:31 |
| R4.htm | 109497 | 2018-02-22 13:56:31 |
| R40.htm | 64216 | 2018-02-22 13:56:31 |
| R41.htm | 119883 | 2018-02-22 13:56:31 |
| R42.htm | 58799 | 2018-02-22 13:56:31 |
| R43.htm | 107066 | 2018-02-22 13:56:31 |
| R44.htm | 250780 | 2018-02-22 13:56:31 |
| R45.htm | 98004 | 2018-02-22 13:56:31 |
| R46.htm | 149844 | 2018-02-22 13:56:31 |
| R47.htm | 74756 | 2018-02-22 13:56:31 |
| R48.htm | 30178 | 2018-02-22 13:56:31 |
| R49.htm | 19944 | 2018-02-22 13:56:31 |
| R5.htm | 25048 | 2018-02-22 13:56:31 |
| R50.htm | 125346 | 2018-02-22 13:56:31 |
| R51.htm | 18935 | 2018-02-22 13:56:31 |
| R52.htm | 19901 | 2018-02-22 13:56:31 |
| R53.htm | 39170 | 2018-02-22 13:56:31 |
| R54.htm | 22197 | 2018-02-22 13:56:31 |
| R55.htm | 11561 | 2018-02-22 13:56:31 |
| R56.htm | 24095 | 2018-02-22 13:56:31 |
| R57.htm | 17338 | 2018-02-22 13:56:31 |
| R58.htm | 9039 | 2018-02-22 13:56:31 |
| R59.htm | 45606 | 2018-02-22 13:56:31 |
| R6.htm | 111457 | 2018-02-22 13:56:31 |
| R60.htm | 14111 | 2018-02-22 13:56:31 |
| R61.htm | 21300 | 2018-02-22 13:56:31 |
| R62.htm | 50571 | 2018-02-22 13:56:31 |
| R63.htm | 34566 | 2018-02-22 13:56:31 |
| R64.htm | 47101 | 2018-02-22 13:56:31 |
| R65.htm | 27250 | 2018-02-22 13:56:31 |
| R66.htm | 20901 | 2018-02-22 13:56:31 |
| R67.htm | 57821 | 2018-02-22 13:56:31 |
| R68.htm | 28435 | 2018-02-22 13:56:31 |
| R69.htm | 70405 | 2018-02-22 13:56:31 |
| R7.htm | 61251 | 2018-02-22 13:56:31 |
| R70.htm | 40745 | 2018-02-22 13:56:31 |
| R71.htm | 12698 | 2018-02-22 13:56:31 |
| R72.htm | 13221 | 2018-02-22 13:56:31 |
| R73.htm | 51841 | 2018-02-22 13:56:31 |
| R74.htm | 12320 | 2018-02-22 13:56:31 |
| R75.htm | 31205 | 2018-02-22 13:56:31 |
| R76.htm | 23587 | 2018-02-22 13:56:31 |
| R77.htm | 17166 | 2018-02-22 13:56:31 |
| R78.htm | 17344 | 2018-02-22 13:56:31 |
| R79.htm | 11096 | 2018-02-22 13:56:31 |
| R8.htm | 7933 | 2018-02-22 13:56:31 |
| R80.htm | 21332 | 2018-02-22 13:56:31 |
| R81.htm | 13389 | 2018-02-22 13:56:31 |
| R82.htm | 16942 | 2018-02-22 13:56:31 |
| R83.htm | 47561 | 2018-02-22 13:56:31 |
| R84.htm | 7504 | 2018-02-22 13:56:31 |
| R85.htm | 16754 | 2018-02-22 13:56:31 |
| R86.htm | 11324 | 2018-02-22 13:56:31 |
| R87.htm | 27762 | 2018-02-22 13:56:31 |
| R88.htm | 11677 | 2018-02-22 13:56:31 |
| R89.htm | 41124 | 2018-02-22 13:56:31 |
| R9.htm | 54618 | 2018-02-22 13:56:31 |
| R90.htm | 24756 | 2018-02-22 13:56:31 |
| R91.htm | 13781 | 2018-02-22 13:56:31 |
| R92.htm | 39709 | 2018-02-22 13:56:31 |
| R93.htm | 12380 | 2018-02-22 13:56:31 |
| R94.htm | 17330 | 2018-02-22 13:56:31 |
| R95.htm | 30764 | 2018-02-22 13:56:31 |
| R96.htm | 27454 | 2018-02-22 13:56:31 |
| R97.htm | 15557 | 2018-02-22 13:56:31 |
| R98.htm | 56136 | 2018-02-22 13:56:31 |
| R99.htm | 15208 | 2018-02-22 13:56:31 |
| report.css | 2768 | 2018-02-22 13:56:31 |
| Show.js | 1411 | 2018-02-22 13:56:31 |